1 files changed, 184 insertions, 0 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/VerifyCMSSignatureRequestParser.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/VerifyCMSSignatureRequestParser.java
new file mode 100644
index 000000000..a2b90f273
--- /dev/null
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/VerifyCMSSignatureRequestParser.java
@@ -0,0 +1,184 @@
+/*
+* Copyright 2003 Federal Chancellery Austria
+*
+* 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.egovernment.moa.spss.api.xmlbind;
+
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.w3c.dom.Element;
+
+import at.gv.egovernment.moa.util.Base64Utils;
+import at.gv.egovernment.moa.util.CollectionUtils;
+import at.gv.egovernment.moa.util.Constants;
+import at.gv.egovernment.moa.util.DOMUtils;
+import at.gv.egovernment.moa.util.XPathUtils;
+
+import at.gv.egovernment.moa.spss.MOAApplicationException;
+import at.gv.egovernment.moa.spss.api.SPSSFactory;
+import at.gv.egovernment.moa.spss.api.cmsverify.CMSContent;
+import at.gv.egovernment.moa.spss.api.cmsverify.CMSDataObject;
+import at.gv.egovernment.moa.spss.api.cmsverify.VerifyCMSSignatureRequest;
+import at.gv.egovernment.moa.spss.api.common.MetaInfo;
+
+/**
+ * A parser to parse <code>VerifyCMSSignatureRequest</code> DOM trees into
+ * <code>VerifyCMSSignatureRequest</code> API objects.
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class VerifyCMSSignatureRequestParser {
+
+  //
+  // XPath expressions for selecting parts of the DOM message
+  //
+  private static final String MOA = Constants.MOA_PREFIX + ":";
+  private static final String DATE_TIME_XPATH = MOA + "DateTime";
+  private static final String CMS_SIGNATURE_XPATH = MOA + "CMSSignature";
+  private static final String TRUST_PROFILE_ID_XPATH = MOA + "TrustProfileID";
+  private static final String DATA_OBJECT_XPATH = MOA + "DataObject";
+  private static final String META_INFO_XPATH = MOA + "MetaInfo";
+  private static final String CONTENT_XPATH = MOA + "Content";
+  private static final String BASE64_CONTENT_XPATH = MOA + "Base64Content";
+
+  /** The <code>SPSSFactory</code> for creating new API objects. */
+  private SPSSFactory factory = SPSSFactory.getInstance();
+
+  /**
+   * Parse a <code>VerifyCMSSignatureRequest</code> DOM element, as defined
+   * by the MOA schema.
+   * 
+   * @param requestElem The <code>VerifyCMSSignatureRequest</code> to parse. The
+   * request must have been successfully parsed against the schema for this
+   * method to succeed.
+   * @return A <code>VerifyCMSSignatureRequest</code> API objects containing
+   * the data from the DOM element.
+   * @throws MOAApplicationException An error occurred parsing the request.
+   */
+  public VerifyCMSSignatureRequest parse(Element requestElem)
+    throws MOAApplicationException {
+
+    int[] signatories = parseSignatories(requestElem);
+    Date dateTime =
+      RequestParserUtils.parseDateTime(requestElem, DATE_TIME_XPATH);
+    String cmsSignatureStr =
+      XPathUtils.getElementValue(requestElem, CMS_SIGNATURE_XPATH, "");
+    CMSDataObject dataObject = parseDataObject(requestElem);
+    String trustProfileID =
+      XPathUtils.getElementValue(requestElem, TRUST_PROFILE_ID_XPATH, null);
+    InputStream cmsSignature =
+      Base64Utils.decodeToStream(cmsSignatureStr, true);
+
+    return factory.createVerifyCMSSignatureRequest(
+      signatories,
+      dateTime,
+      cmsSignature,
+      dataObject,
+      trustProfileID);
+  }
+
+  /**
+   * Parse the <code>Signatories</code> attribute contained in the 
+   * <code>VerifyCMSSignatureRequest</code> DOM element.
+   * 
+   * @param requestElem The <code>VerifyCMSSignatureRequest</code> DOM element.
+   * @return The signatories contained in the given 
+   * <code>VerifyCMSSignatureRequest</code> DOM element. 
+   */
+  private int[] parseSignatories(Element requestElem) {
+    String signatoriesStr = requestElem.getAttribute("Signatories");
+
+    if ("all".equals(signatoriesStr)) {
+      return VerifyCMSSignatureRequest.ALL_SIGNATORIES;
+    } else {
+      StringTokenizer tokenizer = new StringTokenizer(signatoriesStr);
+      List signatoriesList = new ArrayList();
+      int[] signatories;
+
+      // put the signatories into a List
+      while (tokenizer.hasMoreTokens()) {
+        try {
+          signatoriesList.add(new Integer(tokenizer.nextToken()));
+        } catch (NumberFormatException e) {
+          // this cannot occur if the request has been validated
+        }
+      }
+
+      // convert the List into an int array
+      signatories = CollectionUtils.toIntArray(signatoriesList);
+
+      return signatories;
+    }
+  }
+
+  /**
+   * Parse a the <code>DataObject</code> DOM element contained in a given 
+   * <code>VerifyCMSSignatureRequest</code> DOM element.
+   * 
+   * @param requestElem The <code>VerifyCMSSignatureRequest</code> DOM element
+   * to parse.
+   * @return The <code>CMSDataObject</code> API object containing the data
+   * from the <code>DataObject</code> DOM element.
+   */
+  private CMSDataObject parseDataObject(Element requestElem) {
+    Element dataObjectElem =
+      (Element) XPathUtils.selectSingleNode(requestElem, DATA_OBJECT_XPATH);
+
+    if (dataObjectElem != null) {
+      Element metaInfoElem =
+        (Element) XPathUtils.selectSingleNode(dataObjectElem, META_INFO_XPATH);
+      MetaInfo metaInfo = null;
+      Element contentElem =
+        (Element) XPathUtils.selectSingleNode(dataObjectElem, CONTENT_XPATH);
+      CMSContent content = parseContent(contentElem);
+
+      if (metaInfoElem != null) {
+        metaInfo = RequestParserUtils.parseMetaInfo(metaInfoElem);
+      }
+
+      return factory.createCMSDataObject(metaInfo, content);
+    } else {
+      return null;
+    }
+
+  }
+
+  /**
+   * Parse the content contained in a <code>CMSContentBaseType</code> kind of
+   * DOM element.
+   * 
+   * @param contentElem The <code>CMSContentBaseType</code> kind of element to
+   * parse.
+   * @return A <code>CMSDataObject</code> API object containing the data
+   * from the given DOM element.
+   */
+  private CMSContent parseContent(Element contentElem) {
+    Element base64ContentElem =
+      (Element) XPathUtils.selectSingleNode(contentElem, BASE64_CONTENT_XPATH);
+
+    if (base64ContentElem != null) {
+      String base64Str = DOMUtils.getText(base64ContentElem);
+      InputStream binaryContent = Base64Utils.decodeToStream(base64Str, true);
+      return factory.createCMSContent(binaryContent);
+    } else {
+      return factory.createCMSContent(
+        contentElem.getAttribute("Reference"));
+    }
+  }
+}