git-svn-id: https://joinup.ec.europa.eu/svn/mocca/branches/mocca-1.2.11-sha2@602 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

29 files changed, 2144 insertions, 0 deletions

diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/SLXHTMLValidator.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/SLXHTMLValidator.java
new file mode 100644
index 00000000..a230afa6
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/SLXHTMLValidator.java
@@ -0,0 +1,273 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.charset.IllegalCharsetNameException;
+import java.nio.charset.UnsupportedCharsetException;
+import java.util.Locale;
+
+import javax.xml.XMLConstants;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import javax.xml.validation.ValidatorHandler;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.xml.sax.Attributes;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.InputSource;
+import org.xml.sax.Locator;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+import at.gv.egiz.bku.slxhtml.css.CSSValidatorSLXHTML;
+import at.gv.egiz.bku.viewer.ValidationException;
+
+public class SLXHTMLValidator implements at.gv.egiz.bku.viewer.Validator {
+
+  /**
+   * The schema file for the SLXHTML schema.
+   */
+  private static final String SLXHTML_SCHEMA_FILE = "at/gv/egiz/bku/slxhtml/slxhtml.xsd";
+//    public static final String[] SLXHTML_SCHEMA_FILES = new String[]{
+//      "at/gv/egiz/bku/slxhtml/slxhtml.xsd",
+//      "at/gv/egiz/bku/slxhtml/slxhtml-model-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/slxhtml-modules-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-attribs-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-blkphras-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-blkpres-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-blkstruct-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-datatypes-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-framework-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-image-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-inlphras-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-inlpres-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-inlstruct-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-list-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-pres-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-struct-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-style-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-table-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xhtml-text-1.xsd",
+//      "at/gv/egiz/bku/slxhtml/xml.xsd"
+//    };
+
+  /**
+   * Logging facility.
+   */
+  private static Log log = LogFactory.getLog(SLXHTMLValidator.class);
+
+  private static Schema slSchema;
+  
+  /**
+   * Initialize the security layer schema.
+   */
+  private synchronized static void ensureSchema() {
+      if (slSchema == null) {
+          try {
+              SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+              ClassLoader cl = SLXHTMLValidator.class.getClassLoader();
+              URL schemaURL = cl.getResource(SLXHTML_SCHEMA_FILE);
+              log.debug("Trying to create SLXHTML schema from URL '" + schemaURL + "'.");
+              long t0 = System.currentTimeMillis();
+              slSchema = schemaFactory.newSchema(schemaURL);
+              long t1 = System.currentTimeMillis();
+              log.debug("SLXHTML schema successfully created in " + (t1 - t0) + "ms.");
+          } catch (SAXException e) {
+              log.error("Failed to load security layer XHTML schema.", e);
+              throw new RuntimeException("Failed to load security layer XHTML schema.", e);
+          }
+
+      }
+  }
+  
+  public SLXHTMLValidator() {
+    ensureSchema();
+  }
+  
+  public void validate(InputStream is, String charset)
+      throws ValidationException {
+    if (charset == null) {
+      validate(is, (Charset) null);
+    } else {
+      try {
+        validate(is, Charset.forName(charset));
+      } catch (IllegalCharsetNameException e) {
+        throw new ValidationException(e);
+      } catch (UnsupportedCharsetException e) {
+        throw new ValidationException(e);
+      }
+    }
+  }
+  
+  public void validate(InputStream is, Charset charset) throws ValidationException {
+    
+    SAXParserFactory spf = SAXParserFactory.newInstance();
+    spf.setNamespaceAware(true);
+    spf.setSchema(slSchema);
+    spf.setValidating(true);
+    spf.setXIncludeAware(false);
+    
+    SAXParser parser;
+    try {
+      parser = spf.newSAXParser();
+    } catch (ParserConfigurationException e) {
+      log.error("Failed to create SLXHTML parser.", e);
+      throw new RuntimeException("Failed to create SLXHTML parser.", e);
+    } catch (SAXException e) {
+      log.error("Failed to create SLXHTML parser.", e);
+      throw new RuntimeException("Failed to create SLXHTML parser.", e);
+    }
+    
+    InputSource source;
+    if (charset != null) {
+      source = new InputSource(new InputStreamReader(is, charset));
+    } else {
+      source = new InputSource(is);
+    }
+    
+
+    ValidatorHandler validatorHandler = slSchema.newValidatorHandler();
+
+    DefaultHandler defaultHandler = new ValidationHandler(validatorHandler);
+    try {
+      parser.parse(source, defaultHandler);
+    } catch (SAXException e) {
+      if (e.getException() instanceof ValidationException) {
+        throw (ValidationException) e.getException();
+      } else {
+        throw new ValidationException(e);
+      }
+    } catch (IOException e) {
+      throw new ValidationException(e);
+    }
+       
+  }
+  
+  private void validateCss(InputStream is) throws ValidationException {
+    CSSValidatorSLXHTML cssValidator = new CSSValidatorSLXHTML();
+    // TODO: use the right locale
+    cssValidator.validate(is, Locale.getDefault(), "SLXHTML", 0);
+  }
+  
+  private class ValidationHandler extends DefaultHandler implements ContentHandler {
+    
+    private ValidatorHandler validatorHandler;
+    
+    private boolean insideStyle = false;
+    
+    private StringBuffer style = new StringBuffer();
+    
+    private ValidationHandler(ValidatorHandler contentHandler) {
+      this.validatorHandler = contentHandler;
+    }
+    
+    @Override
+    public void endDocument() throws SAXException {
+      validatorHandler.endDocument();
+    }
+
+    @Override
+    public void endPrefixMapping(String prefix) throws SAXException {
+      validatorHandler.endPrefixMapping(prefix);
+    }
+
+    @Override
+    public void ignorableWhitespace(char[] ch, int start, int length)
+        throws SAXException {
+      validatorHandler.ignorableWhitespace(ch, start, length);
+    }
+
+    @Override
+    public void processingInstruction(String target, String data)
+        throws SAXException {
+      validatorHandler.processingInstruction(target, data);
+    }
+
+    @Override
+    public void setDocumentLocator(Locator locator) {
+      validatorHandler.setDocumentLocator(locator);
+    }
+
+    @Override
+    public void skippedEntity(String name) throws SAXException {
+      validatorHandler.skippedEntity(name);
+    }
+
+    @Override
+    public void startDocument() throws SAXException {
+      validatorHandler.startDocument();
+    }
+
+    @Override
+    public void startPrefixMapping(String prefix, String uri)
+        throws SAXException {
+      validatorHandler.startPrefixMapping(prefix, uri);
+    }
+
+    @Override
+    public void startElement(String uri, String localName, String name,
+        Attributes attributes) throws SAXException {
+      validatorHandler.startElement(uri, localName, name, attributes);
+      
+      System.out.println(uri + ":" + localName);
+      
+      if ("http://www.w3.org/1999/xhtml".equals(uri) &&
+          "style".equals(localName)) {
+        insideStyle = true;
+      }
+    }
+
+    @Override
+    public void characters(char[] ch, int start, int length)
+        throws SAXException {
+      validatorHandler.characters(ch, start, length);
+      
+      if (insideStyle) {
+        style.append(ch, start, length);
+      }
+      
+    }
+
+    @Override
+    public void endElement(String uri, String localName, String name)
+        throws SAXException {
+      validatorHandler.endElement(uri, localName, name);
+      
+      if (insideStyle) {
+        insideStyle = false;
+        try {
+          validateCss(new ByteArrayInputStream(style.toString().getBytes(Charset.forName("UTF-8"))));
+        } catch (ValidationException e) {
+          throw new SAXException(e);
+        }
+      }
+    }
+
+  }
+  
+  
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CSSValidatorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CSSValidatorSLXHTML.java
new file mode 100644
index 00000000..7abe4741
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CSSValidatorSLXHTML.java
@@ -0,0 +1,95 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Locale;
+
+import org.w3c.css.css.CssParser;
+import org.w3c.css.css.StyleSheet;
+import org.w3c.css.css.StyleSheetParser;
+import org.w3c.css.parser.CssError;
+import org.w3c.css.parser.Errors;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.Util;
+import org.w3c.css.util.Warning;
+import org.w3c.css.util.Warnings;
+
+import at.gv.egiz.bku.viewer.ValidationException;
+
+public class CSSValidatorSLXHTML {
+  
+  public void validate(InputStream input, Locale locale, String title, int lineno) throws ValidationException {
+    
+    // disable imports
+    Util.importSecurity = true;
+    
+    CssParser cssParser = new StyleSheetParser();
+    
+    ApplContext ac = new ApplContext(locale.getLanguage());
+    ac.setCssVersion("slxhtml");
+    ac.setMedium("all");
+    
+    URL url;
+    try {
+      url = new URL("http://test.xyz");
+    } catch (MalformedURLException e) {
+      throw new RuntimeException(e);
+    }
+    
+    cssParser.parseStyleElement(ac, input, title, "all", url, lineno);
+    
+    StyleSheet styleSheet = cssParser.getStyleSheet();
+
+    // find conflicts
+    styleSheet.findConflicts(ac);
+
+    boolean valid = true;
+    StringBuilder sb = new StringBuilder().append("CSS:");
+
+    // look for errors
+    Errors errors = styleSheet.getErrors();
+    if (errors.getErrorCount() != 0) {
+      valid = false;
+      CssError[] cssErrors = errors.getErrors();
+      for (CssError cssError : cssErrors) {
+        Exception exception = cssError.getException();
+        sb.append(" ");
+        sb.append(exception.getMessage());
+      }
+    }
+
+    // look for warnings
+    Warnings warnings = styleSheet.getWarnings();
+    if (warnings.getWarningCount() != 0) {
+      valid = false;
+      Warning[] cssWarnings = warnings.getWarnings();
+      for (Warning warning : cssWarnings) {
+        sb.append(" ");
+        sb.append(warning.getWarningMessage());
+      }
+    }
+    
+    if (!valid) {
+      throw new ValidationException(sb.toString());
+    }
+    
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBackgroundColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBackgroundColorSLXHTML.java
new file mode 100644
index 00000000..53191d17
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBackgroundColorSLXHTML.java
@@ -0,0 +1,57 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBackgroundColorCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssBackgroundColorSLXHTML extends CssBackgroundColorCSS2 {
+
+  public CssBackgroundColorSLXHTML() {
+  }
+
+  public CssBackgroundColorSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssBackgroundColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    super(ac, expression);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBackgroundSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBackgroundSLXHTML.java
new file mode 100644
index 00000000..724c8c6a
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBackgroundSLXHTML.java
@@ -0,0 +1,93 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+/**
+ * 
+ */
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBackgroundCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+/**
+ * @author mcentner
+ *
+ */
+public class CssBackgroundSLXHTML extends CssBackgroundCSS2 {
+
+  public CssBackgroundSLXHTML() {
+  }
+
+  public CssBackgroundSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+
+    // The properties for selecting and controlling an image as background
+    // (background-image, background-repeat, background-position,
+    // background-attachment; cf. [CSS 2], section 14.2.1) must not be contained
+    // in an instance document to prevent content from overlapping. Otherwise
+    // the instance document must be rejected by the Citizen Card Environment.
+    //
+    // The property for the shorthand version of the background properties
+    // (background) should be supported by a Citizen Card Environment. The
+    // recommended values result from the explanations for the background-color
+    // property above (cf. [CSS 2], section 14.2.1). If the property contains
+    // values for selecting and controlling an image as background, the instance
+    // document must be rejected by the Citizen Card Environment.
+    
+    if (getImage() != null) {
+      throw new SLXHTMLInvalidParamException("background", "background-image", ac);
+    }
+    
+    if (getRepeat() != null) {
+      throw new SLXHTMLInvalidParamException("background", "background-repeat", ac);
+    }
+    
+    if (getPosition() != null) {
+      throw new SLXHTMLInvalidParamException("background", "background-position", ac);
+    }
+
+    if (getAttachment() != null) {
+      throw new SLXHTMLInvalidParamException("background", "background-attachment", ac);
+    }
+    
+  }
+
+  public CssBackgroundSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderBottomColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderBottomColorSLXHTML.java
new file mode 100644
index 00000000..4f5798b0
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderBottomColorSLXHTML.java
@@ -0,0 +1,57 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBorderBottomColorCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssBorderBottomColorSLXHTML extends CssBorderBottomColorCSS2 {
+
+  public CssBorderBottomColorSLXHTML() {
+  }
+  
+  public CssBorderBottomColorSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssBorderBottomColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderColorSLXHTML.java
new file mode 100644
index 00000000..3f5a7319
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderColorSLXHTML.java
@@ -0,0 +1,81 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBorderBottomColorCSS2;
+import org.w3c.css.properties.css1.CssBorderColorCSS2;
+import org.w3c.css.properties.css1.CssBorderLeftColorCSS2;
+import org.w3c.css.properties.css1.CssBorderRightColorCSS2;
+import org.w3c.css.properties.css1.CssBorderTopColorCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssBorderColorSLXHTML extends CssBorderColorCSS2 {
+
+  public CssBorderColorSLXHTML() {
+  }
+
+  public CssBorderColorSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssBorderTopColorCSS2 top = getTop();
+    if (!isSoftlyInherited() && top != null) {
+      if (CssColorSLXHTML.isDisallowedColor(top.getColor())) {
+        throw new SLXHTMLInvalidParamException("color", top.getColor(), getPropertyName(), ac);
+      }
+    }
+
+    CssBorderLeftColorCSS2 left = getLeft();
+    if (!isSoftlyInherited() && left != null) {
+      if (CssColorSLXHTML.isDisallowedColor(left.getColor())) {
+        throw new SLXHTMLInvalidParamException("color", left.getColor(), getPropertyName(), ac);
+      }
+    }
+
+    CssBorderRightColorCSS2 right = getRight();
+    if (!isSoftlyInherited() && right != null) {
+      if (CssColorSLXHTML.isDisallowedColor(right.getColor())) {
+        throw new SLXHTMLInvalidParamException("color", right.getColor(), getPropertyName(), ac);
+      }
+    }
+
+    CssBorderBottomColorCSS2 bottom = getBottom();
+    if (!isSoftlyInherited() && bottom != null) {
+      if (CssColorSLXHTML.isDisallowedColor(bottom.getColor())) {
+        throw new SLXHTMLInvalidParamException("color", bottom.getColor(), getPropertyName(), ac);
+      }
+    }
+    
+  }
+
+  public CssBorderColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderLeftColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderLeftColorSLXHTML.java
new file mode 100644
index 00000000..e2378e99
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderLeftColorSLXHTML.java
@@ -0,0 +1,57 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBorderLeftColorCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssBorderLeftColorSLXHTML extends CssBorderLeftColorCSS2 {
+
+  public CssBorderLeftColorSLXHTML() {
+  }
+  
+  public CssBorderLeftColorSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssBorderLeftColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderRightColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderRightColorSLXHTML.java
new file mode 100644
index 00000000..99d6bae5
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderRightColorSLXHTML.java
@@ -0,0 +1,57 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBorderRightColorCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssBorderRightColorSLXHTML extends CssBorderRightColorCSS2 {
+
+  public CssBorderRightColorSLXHTML() {
+  }
+
+  public CssBorderRightColorSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssBorderRightColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderSLXHTML.java
new file mode 100644
index 00000000..ac32670e
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderSLXHTML.java
@@ -0,0 +1,85 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBorderCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssBorderSLXHTML extends CssBorderCSS2 {
+
+  public CssBorderSLXHTML() {
+  }
+
+  public CssBorderSLXHTML(ApplContext ac, CssExpression value, boolean check)
+      throws InvalidParamException {
+    super(ac, value, check);
+    
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+
+    if (getTop() != null) {
+      CssValue top = getTop().getColor();
+      if (!isSoftlyInherited() && top != null) {
+        if (CssColorSLXHTML.isDisallowedColor(top)) {
+          throw new SLXHTMLInvalidParamException("color", top, getPropertyName(), ac);
+        }
+      }
+    }
+
+    if (getLeft() != null) {
+      CssValue left = getLeft().getColor();
+      if (!isSoftlyInherited() && left != null) {
+        if (CssColorSLXHTML.isDisallowedColor(left)) {
+          throw new SLXHTMLInvalidParamException("color", left, getPropertyName(), ac);
+        }
+      }
+    }
+     
+    if (getRight() != null) {
+      CssValue right = getRight().getColor();
+      if (!isSoftlyInherited() && right != null) {
+        if (CssColorSLXHTML.isDisallowedColor(right)) {
+          throw new SLXHTMLInvalidParamException("color", right, getPropertyName(), ac);
+        }
+      }
+    }
+
+    if (getBottom() != null) {
+      CssValue bottom = getBottom().getColor();
+      if (!isSoftlyInherited() && bottom != null) {
+        if (CssColorSLXHTML.isDisallowedColor(bottom)) {
+          throw new SLXHTMLInvalidParamException("color", bottom, getPropertyName(), ac);
+        }
+      }
+    }
+  }
+
+  public CssBorderSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderTopColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderTopColorSLXHTML.java
new file mode 100644
index 00000000..42926479
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssBorderTopColorSLXHTML.java
@@ -0,0 +1,57 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssBorderTopColorCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssBorderTopColorSLXHTML extends CssBorderTopColorCSS2 {
+
+  public CssBorderTopColorSLXHTML() {
+  }
+
+  public CssBorderTopColorSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+    
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssBorderTopColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssColorSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssColorSLXHTML.java
new file mode 100644
index 00000000..a640eb3a
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssColorSLXHTML.java
@@ -0,0 +1,99 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssColorSLXHTML extends org.w3c.css.properties.css1.CssColorCSS2 {
+
+  private static Set<String> SLXHTML_DISSALLOWED_COLORS = new HashSet<String>();
+  
+  static {
+    
+    SLXHTML_DISSALLOWED_COLORS.add("activeborder");
+    SLXHTML_DISSALLOWED_COLORS.add("activecaption");
+    SLXHTML_DISSALLOWED_COLORS.add("appworkspace");
+    SLXHTML_DISSALLOWED_COLORS.add("background");
+    SLXHTML_DISSALLOWED_COLORS.add("buttonface");
+    SLXHTML_DISSALLOWED_COLORS.add("buttonhighlight");
+    SLXHTML_DISSALLOWED_COLORS.add("buttonshadow");
+    SLXHTML_DISSALLOWED_COLORS.add("buttontext");
+    SLXHTML_DISSALLOWED_COLORS.add("captiontext");
+    SLXHTML_DISSALLOWED_COLORS.add("graytext");
+    SLXHTML_DISSALLOWED_COLORS.add("highlight");
+    SLXHTML_DISSALLOWED_COLORS.add("highlighttext");
+    SLXHTML_DISSALLOWED_COLORS.add("inactiveborder");
+    SLXHTML_DISSALLOWED_COLORS.add("inactivecaption");
+    SLXHTML_DISSALLOWED_COLORS.add("inactivecaptiontext");
+    SLXHTML_DISSALLOWED_COLORS.add("infobackground");
+    SLXHTML_DISSALLOWED_COLORS.add("infotext");
+    SLXHTML_DISSALLOWED_COLORS.add("menu");
+    SLXHTML_DISSALLOWED_COLORS.add("menutext");
+    SLXHTML_DISSALLOWED_COLORS.add("scrollbar");
+    SLXHTML_DISSALLOWED_COLORS.add("threeddarkshadow");
+    SLXHTML_DISSALLOWED_COLORS.add("threedface");
+    SLXHTML_DISSALLOWED_COLORS.add("threedhighlight");
+    SLXHTML_DISSALLOWED_COLORS.add("threedlightshadow");
+    SLXHTML_DISSALLOWED_COLORS.add("threedshadow");
+    SLXHTML_DISSALLOWED_COLORS.add("window");
+    SLXHTML_DISSALLOWED_COLORS.add("windowframe");
+    SLXHTML_DISSALLOWED_COLORS.add("windowtext");
+    
+  }
+  
+  public static boolean isDisallowedColor(CssValue cssValue) {
+    return SLXHTML_DISSALLOWED_COLORS.contains(cssValue.toString().toLowerCase());
+  }
+  
+  public CssColorSLXHTML() {
+  }
+
+  public CssColorSLXHTML(ApplContext ac, CssExpression expression, boolean check)
+      throws InvalidParamException {
+    
+    super(ac, expression, check);
+
+    // A Citizen Card Environment must support all the options for specifying a
+    // colour listed in [CSS 2], section 4.3.6 for a CSS property, if such an
+    // option is available for this property according to [CSS 2].
+
+    // The exceptions are the system colours (cf. [CSS 2], section 18.2); these
+    // must not be used in an instance document so as to prevent dependencies on
+    // the system environment. Otherwise the instance document must be rejected
+    // by the Citizen Card Environment.
+
+    CssValue color = getColor();
+    if (!isSoftlyInherited() && color != null) {
+      if (CssColorSLXHTML.isDisallowedColor(color)) {
+        throw new SLXHTMLInvalidParamException("color", color, getPropertyName(), ac);
+      }
+    }
+    
+  }
+
+  public CssColorSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssFontSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssFontSLXHTML.java
new file mode 100644
index 00000000..8e5298ec
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssFontSLXHTML.java
@@ -0,0 +1,59 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssFontCSS2;
+import org.w3c.css.properties.css1.CssFontConstantCSS2;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssIdent;
+import org.w3c.css.values.CssValue;
+
+public class CssFontSLXHTML extends CssFontCSS2 {
+
+  public CssFontSLXHTML() {
+  }
+
+  public CssFontSLXHTML(ApplContext ac, CssExpression expression, boolean check)
+      throws InvalidParamException {
+    super(ac, checkExpression(expression, ac), check);
+  }
+
+  public CssFontSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+  protected static CssExpression checkExpression(CssExpression expression,
+      ApplContext ac) throws InvalidParamException {
+    
+    CssValue value = expression.getValue();
+    
+    if (value instanceof CssIdent) {
+      for (String font : CssFontConstantCSS2.FONT) {
+        if (font.equalsIgnoreCase(value.toString())) {
+          throw new SLXHTMLInvalidParamException("font", value.toString(), ac);
+        }
+      }
+    }
+    
+    return expression;
+    
+  }
+  
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssLetterSpacingSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssLetterSpacingSLXHTML.java
new file mode 100644
index 00000000..326a731f
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssLetterSpacingSLXHTML.java
@@ -0,0 +1,54 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssLetterSpacing;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssLength;
+import org.w3c.css.values.CssNumber;
+
+public class CssLetterSpacingSLXHTML extends CssLetterSpacing {
+
+  public CssLetterSpacingSLXHTML() {
+  }
+
+  public CssLetterSpacingSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    Object value = get();
+    if (value instanceof CssLength) {
+      Object length = ((CssLength) value).get();
+      if (length instanceof Float && ((Float) length).floatValue() < 0) {
+        throw new SLXHTMLInvalidParamException("spacing", length, getPropertyName(), ac);
+      }
+    } else if (value instanceof CssNumber) {
+      if (((CssNumber) value).getValue() < 0) {
+        throw new SLXHTMLInvalidParamException("spacing", value, getPropertyName(), ac);
+      }
+    }
+  
+  }
+
+  public CssLetterSpacingSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginBottomSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginBottomSLXHTML.java
new file mode 100644
index 00000000..cac97d06
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginBottomSLXHTML.java
@@ -0,0 +1,60 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssMarginBottom;
+import org.w3c.css.properties.css1.CssMarginSide;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssMarginBottomSLXHTML extends CssMarginBottom {
+
+  public CssMarginBottomSLXHTML() {
+  }
+
+  public CssMarginBottomSLXHTML(CssMarginSide another) {
+    super(another);
+  }
+
+  public CssMarginBottomSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+  public CssMarginBottomSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // The margin-top, margin-bottom, margin-left and margin-right properties
+    // must be supported by a Citizen Card Environment. Values specified as
+    // percentages (cf. section 3.5.1.2) should be supported.
+
+    // The margin property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssMarginSLXHTML.isDisallowedMargin(getValue())) {
+      throw new SLXHTMLInvalidParamException("margin", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginLeftSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginLeftSLXHTML.java
new file mode 100644
index 00000000..c456af43
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginLeftSLXHTML.java
@@ -0,0 +1,61 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssMarginLeft;
+import org.w3c.css.properties.css1.CssMarginSide;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssMarginLeftSLXHTML extends CssMarginLeft {
+
+  public CssMarginLeftSLXHTML() {
+  }
+
+  public CssMarginLeftSLXHTML(CssMarginSide another) {
+    super(another);
+  }
+
+  public CssMarginLeftSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+  public CssMarginLeftSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // TODO Auto-generated constructor stub
+    // The margin-top, margin-bottom, margin-left and margin-right properties
+    // must be supported by a Citizen Card Environment. Values specified as
+    // percentages (cf. section 3.5.1.2) should be supported.
+
+    // The margin property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssMarginSLXHTML.isDisallowedMargin(getValue())) {
+      throw new SLXHTMLInvalidParamException("margin", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginRightSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginRightSLXHTML.java
new file mode 100644
index 00000000..7f16830d
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginRightSLXHTML.java
@@ -0,0 +1,60 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssMarginRight;
+import org.w3c.css.properties.css1.CssMarginSide;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssMarginRightSLXHTML extends CssMarginRight {
+
+  public CssMarginRightSLXHTML() {
+  }
+
+  public CssMarginRightSLXHTML(CssMarginSide another) {
+    super(another);
+  }
+
+  public CssMarginRightSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+  public CssMarginRightSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // The margin-top, margin-bottom, margin-left and margin-right properties
+    // must be supported by a Citizen Card Environment. Values specified as
+    // percentages (cf. section 3.5.1.2) should be supported.
+
+    // The margin property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssMarginSLXHTML.isDisallowedMargin(getValue())) {
+      throw new SLXHTMLInvalidParamException("margin", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginSLXHTML.java
new file mode 100644
index 00000000..f478b96a
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginSLXHTML.java
@@ -0,0 +1,101 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssMargin;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssLength;
+import org.w3c.css.values.CssNumber;
+import org.w3c.css.values.CssPercentage;
+import org.w3c.css.values.CssValue;
+
+public class CssMarginSLXHTML extends CssMargin {
+
+  public CssMarginSLXHTML() {
+  }
+
+  public CssMarginSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    if (getTop() != null) {
+      if (isDisallowedMargin(getTop().getValue())) {
+        throw new SLXHTMLInvalidParamException("margin", getTop().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+    
+    if (getRight() != null) {
+      if (isDisallowedMargin(getRight().getValue())) {
+        throw new SLXHTMLInvalidParamException("margin", getRight().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+
+    if (getLeft() != null) {
+      if (isDisallowedMargin(getLeft().getValue())) {
+        throw new SLXHTMLInvalidParamException("margin", getLeft().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+
+    if (getBottom() != null) {
+      if (isDisallowedMargin(getBottom().getValue())) {
+        throw new SLXHTMLInvalidParamException("margin", getBottom().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssMarginSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+  public static boolean isDisallowedMargin(CssValue margin) {
+    
+    // The margin-top, margin-bottom, margin-left and margin-right properties
+    // must be supported by a Citizen Card Environment. Values specified as
+    // percentages (cf. section 3.5.1.2) should be supported.
+
+    // The margin property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (margin instanceof CssLength) {
+      Object value = ((CssLength) margin).get();
+      if (value instanceof Float) {
+        return ((Float) value).floatValue() < 0;
+      }
+    } else if (margin instanceof CssPercentage) {
+      Object value = ((CssPercentage) margin).get();
+      if (value instanceof Float) {
+        return ((Float) value).floatValue() < 0;
+      }
+    } else if (margin instanceof CssNumber) {
+      return ((CssNumber) margin).getValue() < 0;
+    }
+    
+    return false;
+  }
+  
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginTopSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginTopSLXHTML.java
new file mode 100644
index 00000000..06b30c4f
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssMarginTopSLXHTML.java
@@ -0,0 +1,61 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssMarginSide;
+import org.w3c.css.properties.css1.CssMarginTop;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssMarginTopSLXHTML extends CssMarginTop {
+
+  public CssMarginTopSLXHTML() {
+  }
+
+  public CssMarginTopSLXHTML(CssMarginSide another) {
+    super(another);
+  }
+
+  public CssMarginTopSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  
+  }
+
+  public CssMarginTopSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // The margin-top, margin-bottom, margin-left and margin-right properties
+    // must be supported by a Citizen Card Environment. Values specified as
+    // percentages (cf. section 3.5.1.2) should be supported.
+
+    // The margin property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssMarginSLXHTML.isDisallowedMargin(getValue())) {
+      throw new SLXHTMLInvalidParamException("margin", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingBottomSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingBottomSLXHTML.java
new file mode 100644
index 00000000..4bcb0065
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingBottomSLXHTML.java
@@ -0,0 +1,60 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssPaddingBottom;
+import org.w3c.css.properties.css1.CssPaddingSide;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssPaddingBottomSLXHTML extends CssPaddingBottom {
+
+  public CssPaddingBottomSLXHTML() {
+  }
+
+  public CssPaddingBottomSLXHTML(CssPaddingSide another) {
+    super(another);
+  }
+
+  public CssPaddingBottomSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // The padding-top, padding-bottom, padding-left and padding-right
+    // properties must be supported by a Citizen Card Environment. Values
+    // specified as percentages (cf. section 3.5.1.2) should be supported.
+
+    // The padding property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssPaddingSLXHTML.isDisallowedValue(getValue())) {
+      throw new SLXHTMLInvalidParamException("padding", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+  public CssPaddingBottomSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingLeftSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingLeftSLXHTML.java
new file mode 100644
index 00000000..350a5c15
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingLeftSLXHTML.java
@@ -0,0 +1,60 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssPaddingLeft;
+import org.w3c.css.properties.css1.CssPaddingSide;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssPaddingLeftSLXHTML extends CssPaddingLeft {
+
+  public CssPaddingLeftSLXHTML() {
+  }
+
+  public CssPaddingLeftSLXHTML(CssPaddingSide another) {
+    super(another);
+  }
+
+  public CssPaddingLeftSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // The padding-top, padding-bottom, padding-left and padding-right
+    // properties must be supported by a Citizen Card Environment. Values
+    // specified as percentages (cf. section 3.5.1.2) should be supported.
+
+    // The padding property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssPaddingSLXHTML.isDisallowedValue(getValue())) {
+      throw new SLXHTMLInvalidParamException("padding", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+  public CssPaddingLeftSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingRightSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingRightSLXHTML.java
new file mode 100644
index 00000000..d2d62748
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingRightSLXHTML.java
@@ -0,0 +1,60 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssPaddingRight;
+import org.w3c.css.properties.css1.CssPaddingSide;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssPaddingRightSLXHTML extends CssPaddingRight {
+
+  public CssPaddingRightSLXHTML() {
+  }
+
+  public CssPaddingRightSLXHTML(CssPaddingSide another) {
+    super(another);
+  }
+
+  public CssPaddingRightSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+
+    // The padding-top, padding-bottom, padding-left and padding-right
+    // properties must be supported by a Citizen Card Environment. Values
+    // specified as percentages (cf. section 3.5.1.2) should be supported.
+
+    // The padding property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssPaddingSLXHTML.isDisallowedValue(getValue())) {
+      throw new SLXHTMLInvalidParamException("padding", getValue(),
+          getPropertyName(), ac);
+    }
+
+  }
+
+  public CssPaddingRightSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingSLXHTML.java
new file mode 100644
index 00000000..57d7cf77
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingSLXHTML.java
@@ -0,0 +1,102 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssPadding;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssLength;
+import org.w3c.css.values.CssNumber;
+import org.w3c.css.values.CssPercentage;
+import org.w3c.css.values.CssValue;
+
+public class CssPaddingSLXHTML extends CssPadding {
+
+  public CssPaddingSLXHTML() {
+  }
+
+  public CssPaddingSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    if (getTop() != null) {
+      if (isDisallowedValue(getTop().getValue())) {
+        throw new SLXHTMLInvalidParamException("padding", getTop().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+    
+    if (getRight() != null) {
+      if (isDisallowedValue(getRight().getValue())) {
+        throw new SLXHTMLInvalidParamException("padding", getRight().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+    
+    if (getLeft() != null) {
+      if (isDisallowedValue(getLeft().getValue())) {
+        throw new SLXHTMLInvalidParamException("padding", getLeft().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+
+    if (getBottom() != null) {
+      if (isDisallowedValue(getBottom().getValue())) {
+        throw new SLXHTMLInvalidParamException("padding", getBottom().getValue(),
+            getPropertyName(), ac);
+      }
+    }
+
+  }
+
+  public CssPaddingSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+  public static boolean isDisallowedValue(CssValue padding) {
+
+    // The padding-top, padding-bottom, padding-left and padding-right
+    // properties must be supported by a Citizen Card Environment. Values
+    // specified as percentages (cf. section 3.5.1.2) should be supported.
+
+    // The padding property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+    
+    if (padding instanceof CssLength) {
+      Object value = ((CssLength) padding).get();
+      if (value instanceof Float) {
+        return ((Float) value).floatValue() < 0;
+      }
+    } else if (padding instanceof CssPercentage) {
+      Object value = ((CssPercentage) padding).get();
+      if (value instanceof Float) {
+        return ((Float) value).floatValue() < 0;
+      }
+    } else if (padding instanceof CssNumber) {
+      return ((CssNumber) padding).getValue() < 0;
+    }
+    
+    return false;
+    
+  }
+  
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingTopSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingTopSLXHTML.java
new file mode 100644
index 00000000..bc113bfe
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssPaddingTopSLXHTML.java
@@ -0,0 +1,61 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssPaddingSide;
+import org.w3c.css.properties.css1.CssPaddingTop;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+
+public class CssPaddingTopSLXHTML extends CssPaddingTop {
+
+  public CssPaddingTopSLXHTML() {
+  }
+
+  public CssPaddingTopSLXHTML(CssPaddingSide another) {
+    super(another);
+  }
+
+  public CssPaddingTopSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    // The padding-top, padding-bottom, padding-left and padding-right
+    // properties must be supported by a Citizen Card Environment. Values
+    // specified as percentages (cf. section 3.5.1.2) should be supported.
+
+    // The padding property may be supported by a Citizen Card Environment.
+
+    // An instance document must not contain a negative value in the properties
+    // mentioned above. Otherwise it must be rejected by the Citizen Card
+    // Environment.
+
+    if (CssPaddingSLXHTML.isDisallowedValue(getValue())) {
+      throw new SLXHTMLInvalidParamException("padding", getValue(),
+          getPropertyName(), ac);
+    }
+    
+  }
+
+  public CssPaddingTopSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    super(ac, expression);
+    // TODO Auto-generated constructor stub
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssTextDecorationSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssTextDecorationSLXHTML.java
new file mode 100644
index 00000000..16b9780a
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssTextDecorationSLXHTML.java
@@ -0,0 +1,51 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssTextDecoration;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssValue;
+
+public class CssTextDecorationSLXHTML extends CssTextDecoration {
+
+  public CssTextDecorationSLXHTML() {
+  }
+
+  public CssTextDecorationSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    if (get() instanceof CssValue) {
+      if ("blink".equalsIgnoreCase(((CssValue) get()).toString())) {
+        throw new SLXHTMLInvalidParamException("text-decoration", "blink", ac);
+      }
+    } else if (get() instanceof String) {
+      if ("blink".equalsIgnoreCase((String) get())) {
+        throw new SLXHTMLInvalidParamException("text-decoration", "blink", ac);
+      }
+    }
+    
+  }
+
+  public CssTextDecorationSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssWordSpacingSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssWordSpacingSLXHTML.java
new file mode 100644
index 00000000..a497f4e3
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/CssWordSpacingSLXHTML.java
@@ -0,0 +1,54 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css1.CssWordSpacing;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssLength;
+import org.w3c.css.values.CssNumber;
+
+public class CssWordSpacingSLXHTML extends CssWordSpacing {
+
+  public CssWordSpacingSLXHTML() {
+  }
+
+  public CssWordSpacingSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    Object value = get();
+    if (value instanceof CssLength) {
+      Object length = ((CssLength) value).get();
+      if (length instanceof Float && ((Float) length).floatValue() < 0) {
+        throw new SLXHTMLInvalidParamException("spacing", length, getPropertyName(), ac);
+      }
+    } else if (value instanceof CssNumber) {
+      if (((CssNumber) value).getValue() < 0) {
+        throw new SLXHTMLInvalidParamException("spacing", value, getPropertyName(), ac);
+      }
+    }
+    
+  }
+
+  public CssWordSpacingSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/SLXHTMLInvalidParamException.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/SLXHTMLInvalidParamException.java
new file mode 100644
index 00000000..edac03f4
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/SLXHTMLInvalidParamException.java
@@ -0,0 +1,71 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import java.text.MessageFormat;
+import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+import org.w3c.css.util.ApplContext;
+
+public class SLXHTMLInvalidParamException extends
+    org.w3c.css.util.InvalidParamException {
+
+  private static final long serialVersionUID = 1L;
+  
+  protected String message;
+  
+  public SLXHTMLInvalidParamException() {
+  }
+
+  public SLXHTMLInvalidParamException(String error, ApplContext ac) {
+    setMessage(error, null, ac);
+  }
+
+  public SLXHTMLInvalidParamException(String error, Object message, ApplContext ac) {
+    setMessage(error, new Object[] {message}, ac);
+  }
+
+  public SLXHTMLInvalidParamException(String error, Object message1, Object message2,
+      ApplContext ac) {
+    setMessage(error, new Object[] {message1, message2}, ac);
+  }
+
+  @Override
+  public String getMessage() {
+    return getLocalizedMessage();
+  }
+
+  @Override
+  public String getLocalizedMessage() {
+    return message;
+  }
+
+  protected void setMessage(String error, Object[] arguments, ApplContext ac) {
+    Locale locale = new Locale(ac.getContentLanguage());
+    ResourceBundle bundle = ResourceBundle.getBundle("at/gv/egiz/bku/slxhtml/css/Messages", locale);
+    String pattern;
+    try {
+      pattern = bundle.getString(error);
+    } catch (MissingResourceException e) {
+      pattern = "Can't find error message for : " + error;
+    }
+    message = MessageFormat.format(pattern, arguments);
+  }
+  
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/SLXHTMLStyle.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/SLXHTMLStyle.java
new file mode 100644
index 00000000..99448ec4
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/SLXHTMLStyle.java
@@ -0,0 +1,22 @@
+//
+// $Id: Css2Style.java,v 1.2 2005-09-08 12:24:01 ylafon Exp $
+// From Philippe Le Hegaret (Philippe.Le_Hegaret@sophia.inria.fr)
+//
+// (c) COPYRIGHT MIT and INRIA, 1997.
+// Please first read the full copyright statement in file COPYRIGHT.html
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.aural.ACssStyle;
+import org.w3c.css.parser.CssPrinterStyle;
+
+/**
+ * @version $Revision: 1.2 $
+ */
+public class SLXHTMLStyle extends ACssStyle {
+
+  public void print(CssPrinterStyle printer) {
+    super.print(printer);
+  }
+
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/TableLayoutSLXHTML.java b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/TableLayoutSLXHTML.java
new file mode 100644
index 00000000..50f30cce
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/slxhtml/css/TableLayoutSLXHTML.java
@@ -0,0 +1,45 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slxhtml.css;
+
+import org.w3c.css.properties.css2.table.TableLayout;
+import org.w3c.css.util.ApplContext;
+import org.w3c.css.util.InvalidParamException;
+import org.w3c.css.values.CssExpression;
+import org.w3c.css.values.CssIdent;
+
+public class TableLayoutSLXHTML extends TableLayout {
+
+  public TableLayoutSLXHTML() {
+  }
+
+  public TableLayoutSLXHTML(ApplContext ac, CssExpression expression,
+      boolean check) throws InvalidParamException {
+    super(ac, expression, check);
+    
+    if (new CssIdent("fixed").equals(get())) {
+      throw new SLXHTMLInvalidParamException("table-layout", "fixed", getPropertyName(), ac);
+    }
+    
+  }
+
+  public TableLayoutSLXHTML(ApplContext ac, CssExpression expression)
+      throws InvalidParamException {
+    this(ac, expression, false);
+  }
+
+}
diff --git a/BKUViewer/src/main/java/at/gv/egiz/bku/text/TextValidator.java b/BKUViewer/src/main/java/at/gv/egiz/bku/text/TextValidator.java
new file mode 100644
index 00000000..dee8ff2e
--- /dev/null
+++ b/BKUViewer/src/main/java/at/gv/egiz/bku/text/TextValidator.java
@@ -0,0 +1,91 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.text;
+
+import at.gv.egiz.bku.gui.viewer.FontProviderException;
+import at.gv.egiz.bku.viewer.ResourceFontLoader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.UnsupportedEncodingException;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.bku.viewer.ValidationException;
+import at.gv.egiz.bku.viewer.Validator;
+import java.awt.Font;
+
+public class TextValidator implements Validator {
+
+  /**
+   * Logging facility.
+   */
+  protected static Log log = LogFactory.getLog(TextValidator.class);
+
+  protected Font viewerFont;
+
+  public TextValidator() throws FontProviderException {
+    viewerFont = new ResourceFontLoader().getFont();
+  }
+
+  private void invalid(char c) throws ValidationException {
+    log.info("Invalid character (0x" + Integer.toHexString(c) + ") found.");
+    // TODO: localize
+    throw new ValidationException();
+  }
+  
+  @Override
+  public void validate(InputStream is, String charset)
+      throws ValidationException {
+    
+    InputStreamReader reader;
+    if (charset != null) {
+      try {
+        reader = new InputStreamReader(is, charset);
+      } catch (UnsupportedEncodingException e) {
+        log.info("Charset '" + charset + "' not supported.", e);
+        // TODO: localize
+        throw new ValidationException(e);
+      }
+    } else {
+      reader = new InputStreamReader(is, Charset.forName("UTF-8"));
+    }
+    
+    try {
+      char c;
+      CharBuffer cb = CharBuffer.allocate(256);
+      for (int l; (l = reader.read(cb)) != -1;) {
+        cb.flip();
+        for (int i = 0; i < l; i++) {
+          c = cb.get();
+          if (!viewerFont.canDisplay(c)) invalid(c);
+        }
+      }
+      cb.clear();
+    } catch (IOException e) {
+      // TODO: localize
+      throw new ValidationException(e);
+    }
+    
+    
+    
+  }
+
+}