1 files changed, 0 insertions, 168 deletions
diff --git a/spss.server/src/at/gv/egovernment/moa/spss/server/iaik/xml/XSLTTransformationImpl.java b/spss.server/src/at/gv/egovernment/moa/spss/server/iaik/xml/XSLTTransformationImpl.java
deleted file mode 100644
index d38da650b..000000000
--- a/spss.server/src/at/gv/egovernment/moa/spss/server/iaik/xml/XSLTTransformationImpl.java
+++ /dev/null
@@ -1,168 +0,0 @@
-package at.gv.egovernment.moa.spss.server.iaik.xml;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Collections;
-
-import org.w3c.dom.Element;
-import org.w3c.dom.NodeList;
-
-import iaik.ixsil.algorithms.CanonicalizationAlgorithm;
-import iaik.ixsil.algorithms.CanonicalizationAlgorithmImplExclusiveCanonicalXML;
-import iaik.ixsil.exceptions.AlgorithmException;
-import iaik.server.modules.xml.XSLTTransformation;
-
-import at.gv.egovernment.moa.util.NodeListAdapter;
-import at.gv.egovernment.moa.util.StreamUtils;
-import at.gv.egovernment.moa.util.XPathException;
-import at.gv.egovernment.moa.util.XPathUtils;
-
-
-/**
- * A <code>Transformation</code> containing an XSLT transformation.
- * 
- * @author Patrick Peck
- * @version $Id$
- */
-public class XSLTTransformationImpl
-  extends TransformationImpl
-  implements XSLTTransformation {
-
-  /** The XSLT stylesheet. */
-  private Element styleSheetElement;
-  /** The hash code of the canonicalized stylesheet. If calculated, this value
-   * should be != 0. */
-  private int hashCode;
-
-  /**
-   * Create a new <code>XSLTTransformationImpl</code> object.
-   * 
-   * @param styleSheetElement The XSLT stylesheet element.
-   */
-  public XSLTTransformationImpl(Element styleSheetElement) {
-    setAlgorithmURI(XSLTTransformation.XSLT);
-    setStyleSheetElement(styleSheetElement);
-  }
-
-  /**
-   * Set the XSLT stylesheet element.
-   * 
-   * @param styleSheetElement The XSLT stylesheet element to set.
-   */
-  protected void setStyleSheetElement(Element styleSheetElement) {
-    this.styleSheetElement = styleSheetElement;
-    this.hashCode = 0;
-  }
-
-  /**
-   * @see iaik.server.modules.xml.XSLTTransformation#getStylesheetElement()
-   */
-  public Element getStylesheetElement() {
-    return styleSheetElement;
-  }
-
-  /**
-   * Compare this <code>XSLTTransformation</code> to another.
-   * 
-   * @param other The object to compare this 
-   * <code>XSLTTransformation</code> to.
-   * @return <code>true</code>, if <code>other</code> is an
-   * <code>XSLTTransformation</code> and if the canonicalized representations of
-   * the stylesheets contained in <code>this</code> and <code>other</code>
-   * match. Otherwise, <code>false</code> is returned.
-   * @see java.lang.Object#equals(Object)
-   */
-  public boolean equals(Object other) {
-    if (other instanceof XSLTTransformation) {
-      XSLTTransformation xslt = (XSLTTransformation) other;
-      
-      return compareElements(
-        getStylesheetElement(),
-        xslt.getStylesheetElement());
-    }
-    return false;
-  }
-
-  /**
-   * @see java.lang.Object#hashCode()
-   */
-  public int hashCode() {
-    if (hashCode == 0) {
-      hashCode = calculateHashCode(getStylesheetElement());
-    }
-    return hashCode;
-  }
-
-  /**
-   * Calculate the hash code for a DOM element by canonicalizing it.
-   * 
-   * @param element The DOM element for which the hash code is to be calculated.
-   * @return int The hash code, or <code>0</code>, if it could not be
-   * calculated.
-   */
-  private static int calculateHashCode(Element element) {
-    try {
-      InputStream is = canonicalize(element);
-      byte[] buf = new byte[256];
-      int hashCode = 1;
-      int length;
-      int i;
-  
-      while ((length = is.read(buf)) > 0) {
-        for (i = 0; i < length; i++) {
-          hashCode += buf[i] * 31 + i;
-        }
-      }
-      is.close();
-      return hashCode;
-    } catch (AlgorithmException e) {
-      return 0;
-    } catch (IOException e) {
-      return 0;
-    }
-  }
-
-  /**
-   * Compare two DOM elements by canonicalizing their contents and comparing the
-   * resulting byte stream.
-   * 
-   * @param elem1 The 1st element to compare.
-   * @param elem2 The 2nd element to compare.
-   * @return boolean <code>true</code>, if the elements are considered equal
-   * after canonicalization. Otherwise <code>false</code> is returned.
-   */
-  private static boolean compareElements(Element elem1, Element elem2) {
-    try {
-      InputStream is1 = canonicalize(elem1);
-      InputStream is2 = canonicalize(elem2);
-      return StreamUtils.compareStreams(is1, is2);
-    } catch (AlgorithmException e) {
-      return false;
-    } catch (IOException e) {
-      return false;
-    }
-  }
-
-  /**
-   * Canonicalize a DOM element.
-   * 
-   * @param element The element to canonicalize.
-   * @return InputStream A stream with the canonicalized data.
-   * @throws AlgorithmException An error occurred canonicalizing the element.
-   */
-  private static InputStream canonicalize(Element element)
-    throws AlgorithmException {
-    CanonicalizationAlgorithm c14n =
-      new CanonicalizationAlgorithmImplExclusiveCanonicalXML();
-    NodeList nodeList;
-  
-    try {
-      nodeList = XPathUtils.selectNodeList(element, XPathUtils.ALL_NODES_XPATH);
-    } catch (XPathException e) {
-      nodeList = new NodeListAdapter(Collections.EMPTY_LIST);
-    }
-    c14n.setInput(nodeList);
-    return c14n.canonicalize();
-  }
-
-}