Initial commit

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@2 d688527b-c9ab-4aba-bd8d-4036d912da1d

1 files changed, 288 insertions, 0 deletions

diff --git a/spss.server/src/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java b/spss.server/src/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java
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+++ b/spss.server/src/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java
@@ -0,0 +1,288 @@
+package at.gv.egovernment.moa.spss.api.xmlbind;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.w3c.dom.Element;
+import org.w3c.dom.traversal.NodeIterator;
+
+import at.gv.egovernment.moa.util.BoolUtils;
+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.common.Content;
+import at.gv.egovernment.moa.spss.api.xmlsign.CreateSignatureEnvironmentProfile;
+import at.gv.egovernment.moa.spss.api.xmlsign.CreateSignatureInfo;
+import at.gv.egovernment.moa.spss.api.xmlsign.CreateTransformsInfoProfile;
+import at.gv.egovernment.moa.spss.api.xmlsign.CreateXMLSignatureRequest;
+import at.gv.egovernment.moa.spss.api.xmlsign.DataObjectInfo;
+import at.gv.egovernment.moa.spss.api.xmlsign.SingleSignatureInfo;
+
+/**
+ * A parser to parse <code>CreateXMLSignatureRequest</code> DOM trees into
+ * <code>CreateXMLSignatureRequest</code> API objects.
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class CreateXMLSignatureRequestParser {
+
+  //
+  // XPath expresssions to select elements in the CreateXMLSignatureRequest
+  //
+  private static final String MOA = Constants.MOA_PREFIX + ":";
+  private static final String KEY_IDENTIFIER_XPATH =
+    "/" + MOA + "CreateXMLSignatureRequest/" + MOA + "KeyIdentifier";
+  private static final String SINGLE_SIGNATURE_INFO_XPATH =
+    "/" + MOA + "CreateXMLSignatureRequest/" + MOA + "SingleSignatureInfo";
+  private static final String DATA_OBJECT_INFO_XPATH = MOA + "DataObjectInfo";
+  private static final String DATA_OBJECT_XPATH = MOA + "DataObject";
+  private static final String CREATE_SIGNATURE_INFO_XPATH =
+    MOA + "CreateSignatureInfo";
+  private static final String CREATE_TRANSFORMS_INFO_PROFILE_XPATH =
+    (MOA + "CreateTransformsInfoProfile | ")
+      + (MOA + "CreateTransformsInfoProfileID");
+  private static final String CREATE_SIGNATURE_ENVIRONMENT_XPATH =
+    MOA + "CreateSignatureEnvironment";
+  private static final String CREATE_SIGNATURE_ENVIRONMENT_PROFILE_XPATH =
+    (MOA + "CreateSignatureEnvironmentProfile | ")
+      + (MOA + "CreateSignatureEnvironmentProfileID");
+  private static final String SL_CONFORM_ATTR_NAME = "SecurityLayerConformity";
+  
+  /** The factory to create API objects. */
+  private SPSSFactory factory;
+
+  /**
+   * Create a new <code>CreateXMLSignatureRequestParser</code>.
+   */
+  public CreateXMLSignatureRequestParser() {
+    this.factory = SPSSFactory.getInstance();
+  }
+
+  /**
+   * Parse a <code>CreateXMLSignatureRequest</code> DOM element, as defined
+   * by the MOA schema.
+   * 
+   * @param requestElem The <code>CreateXMLSignatureRequest</code> to parse. The
+   * request must have been successfully parsed against the schema for this
+   * method to succeed.
+   * @return A <code>CreateXMLSignatureRequest</code> API object containing
+   * the data from the DOM element.
+   * @throws MOAApplicationException An error occurred parsing the request.
+   */
+  public CreateXMLSignatureRequest parse(Element requestElem)
+    throws MOAApplicationException {
+
+    List singleSignatureInfos = parseSingleSignatureInfos(requestElem);
+    String keyIdentifier =
+      XPathUtils.getElementValue(requestElem, KEY_IDENTIFIER_XPATH, null);
+
+    return factory.createCreateXMLSignatureRequest(
+      keyIdentifier,
+      singleSignatureInfos);
+  }
+
+  /**
+   * Parse all <code>SingleSignatureInfo</code> elements of the 
+   * <code>CreateXMLSignatureRequest</code>.
+   * 
+   * @param requestElem The <code>CreateXMLSignatureRequest</code> to parse.
+   * @return A <code>List</code> of <code>SingleSignatureInfo</code> API 
+   * objects.
+   * @throws MOAApplicationException An error occurred parsing on of the 
+   * <code>SingleSignatureInfo</code> elements.
+   */
+  private List parseSingleSignatureInfos(Element requestElem)
+    throws MOAApplicationException {
+
+    List singleSignatureInfos = new ArrayList();
+    NodeIterator sigInfoElems =
+      XPathUtils.selectNodeIterator(requestElem, SINGLE_SIGNATURE_INFO_XPATH);
+    Element sigInfoElem;
+
+    while ((sigInfoElem = (Element) sigInfoElems.nextNode()) != null) {
+      singleSignatureInfos.add(parseSingleSignatureInfo(sigInfoElem));
+    }
+
+    return singleSignatureInfos;
+  }
+
+  /**
+   * Parse a <code>SingleSignatureInfo</code> DOM element.
+   * 
+   * @param sigInfoElem The <code>SingleSignatureInfo</code> DOM element to 
+   * parse.
+   * @return A <code>SingleSignatureInfo</code> API object containing the 
+   * information of <code>sigInfoElem</code>.
+   * @throws MOAApplicationException An error occurred parsing the 
+   * <code>SingleSignatureInfo</code>.
+   */
+  private SingleSignatureInfo parseSingleSignatureInfo(Element sigInfoElem)
+    throws MOAApplicationException {
+
+    List dataObjectInfos = parseDataObjectInfos(sigInfoElem);
+    CreateSignatureInfo createSignatureInfo =
+      parseCreateSignatureInfo(sigInfoElem);
+    boolean securityLayerConform;
+
+    if (sigInfoElem.hasAttribute(SL_CONFORM_ATTR_NAME)) {
+      securityLayerConform =
+        BoolUtils.valueOf(sigInfoElem.getAttribute(SL_CONFORM_ATTR_NAME));
+    } else {
+      securityLayerConform = true;
+    }
+
+    return factory.createSingleSignatureInfo(
+      dataObjectInfos,
+      createSignatureInfo,
+      securityLayerConform);
+  }
+
+  /**
+   * Parse the <code>DataObjectInfo</code> DOM elements contained in the given
+   * <code>SingleSignatureInfo</code> DOM element.
+   * 
+   * @param sigInfoElem The  <code>SingleSignatureInfo</code> DOM element
+   * whose <code>DataObjectInfo</code>s to parse.
+   * @return A <code>List</code> of <code>DataObjectInfo</code> API objects
+   * containing the data from the <code>DataObjectInfo</code> DOM elements.
+   * @throws MOAApplicationException An error occurred parsing one of the
+   * <code>DataObjectInfo</code>s.
+   */
+  private List parseDataObjectInfos(Element sigInfoElem)
+    throws MOAApplicationException {
+
+    List dataObjectInfos = new ArrayList();
+    NodeIterator dataObjInfoElems =
+      XPathUtils.selectNodeIterator(sigInfoElem, DATA_OBJECT_INFO_XPATH);
+    Element dataObjInfoElem;
+
+    while ((dataObjInfoElem = (Element) dataObjInfoElems.nextNode()) != null) {
+      dataObjectInfos.add(parseDataObjectInfo(dataObjInfoElem));
+    }
+    return dataObjectInfos;
+  }
+
+  /**
+   * Parse a <code>DataObjectInfo</code> DOM element.
+   * 
+   * @param dataObjInfoElem The <code>DataObjectInfo</code> DOM element to 
+   * parse.
+   * @return A <code>DataObjectInfo</code> API element containing the data
+   * from <code>dataObjInfoElem</code>.
+   * @throws MOAApplicationException An error occurred parsing the
+   * <code>DataObjectInfo</code>.
+   */
+  private DataObjectInfo parseDataObjectInfo(Element dataObjInfoElem)
+    throws MOAApplicationException {
+
+    String structure = dataObjInfoElem.getAttribute("Structure");
+    Element dataObjectElem =
+      (Element) XPathUtils.selectSingleNode(dataObjInfoElem, DATA_OBJECT_XPATH);
+    Content dataObject = RequestParserUtils.parseContent(dataObjectElem);
+    CreateTransformsInfoProfile createTransformsInfoProfile =
+      parseCreateTransformsInfoProfile(dataObjInfoElem);
+    boolean childOfManifest;
+
+    if (dataObjInfoElem.hasAttribute("ChildOfManifest")) {
+      childOfManifest =
+        BoolUtils.valueOf(dataObjInfoElem.getAttribute("ChildOfManifest"));
+    } else {
+      childOfManifest = false;
+    }
+
+    return factory.createDataObjectInfo(
+      structure,
+      childOfManifest,
+      dataObject,
+      createTransformsInfoProfile);
+  }
+
+  /**
+   * Parse a <code>CreateTransformsInfoProfile</code> DOM element.
+   * 
+   * @param dataObjInfoElem The <code>DataObjectInfo</code> DOM element 
+   * containing the <code>CreateTransformsInfoProfile</code>.
+   * @return The <code>CreateTransformsInfoProfile</code> API object containing
+   * the profile found in <code>dataObjInfoElem</code>.
+   * @throws MOAApplicationException An error occurred parsing the 
+   * <code>CreateTransformsInfoProfile</code>.
+   */
+  private CreateTransformsInfoProfile parseCreateTransformsInfoProfile(Element dataObjInfoElem)
+    throws MOAApplicationException {
+
+    Element profileElem =
+      (Element) XPathUtils.selectSingleNode(
+        dataObjInfoElem,
+        CREATE_TRANSFORMS_INFO_PROFILE_XPATH);
+
+    if ("CreateTransformsInfoProfile".equals(profileElem.getLocalName())) {
+      ProfileParser profileParser = new ProfileParser();
+      return profileParser.parseCreateTransformsInfoProfile(profileElem);
+
+    } else {
+      String profileID = DOMUtils.getText(profileElem);
+      return factory.createCreateTransformsInfoProfile(profileID);
+    }
+  }
+
+  /**
+   * Parse the <code>CreateSignatureInfo</code> DOM element contained in
+   * a <code>SingleSignatureInfo</code>.
+   * 
+   * @param sigInfoElem The <code>SingleSignatureInfo</code> DOM element
+   * containing the <code>CreateSignatureInfo</code> to be parsed.
+   * @return A <code>CreateSignatureInfo</code> API object containing the
+   * data from the <code>CreateSignatureInfo</code> DOM element, or 
+   * <code>null</code>, if none was found.
+   */
+  private CreateSignatureInfo parseCreateSignatureInfo(Element sigInfoElem) {
+    Element createInfoElem =
+      (Element) XPathUtils.selectSingleNode(
+        sigInfoElem,
+        CREATE_SIGNATURE_INFO_XPATH);
+
+    if (createInfoElem != null) {
+      Element environmentElem =
+        (Element) XPathUtils.selectSingleNode(
+          createInfoElem,
+          CREATE_SIGNATURE_ENVIRONMENT_XPATH);
+      Content environment = RequestParserUtils.parseContent(environmentElem);
+      CreateSignatureEnvironmentProfile environmentProfile =
+        parseCreateSignatureEnvironmentProfile(createInfoElem);
+
+      return factory.createCreateSignatureInfo(environment, environmentProfile);
+    } else {
+      return null;
+    }
+  }
+
+  /**
+   * Parse the <code>CreateSignatureEnvironmentProfile</code> contained in
+   * the given <code>CreateSignatureInfo</code> DOM element.
+   * 
+   * @param createInfoElem <code>CreateSignatureInfo</code> DOM element to
+   * parse.
+   * @return The <code>CreateSignatureEnvironmentProfile</code> contained
+   * in the given <code>CreateSignatureInfo</code> DOM element..
+   */
+  private CreateSignatureEnvironmentProfile parseCreateSignatureEnvironmentProfile(Element createInfoElem) {
+    Element profileElem =
+      (Element) XPathUtils.selectSingleNode(
+        createInfoElem,
+        CREATE_SIGNATURE_ENVIRONMENT_PROFILE_XPATH);
+
+    if ("CreateSignatureEnvironmentProfile"
+      .equals(profileElem.getLocalName())) {
+      ProfileParser profileParser = new ProfileParser();
+      return profileParser.parseCreateSignatureEnvironmentProfile(profileElem);
+    } else {
+      String profileID = DOMUtils.getText(profileElem);
+      return factory.createCreateSignatureEnvironmentProfile(profileID);
+    }
+  }
+
+}
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