juergen 02/02/18 01:40:49
Modified: src/webdav/server/org/apache/slide/webdav/method
ReportMethod.java
Log:
Fixed header.
Revision Changes Path
1.3 +842 -783
jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/ReportMethod.java
Index: ReportMethod.java
===================================================================
RCS file:
/home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/ReportMethod.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- ReportMethod.java 16 Feb 2002 17:11:04 -0000 1.2
+++ ReportMethod.java 18 Feb 2002 09:40:49 -0000 1.3
@@ -1,5 +1,64 @@
/*
- * Copyright (c) 2002 SOFTWARE AG, All Rights Reserved.
+ * $Header:
/home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/ReportMethod.java,v
1.3 2002/02/18 09:40:49 juergen Exp $
+ * $Revision: 1.3 $
+ * $Date: 2002/02/18 09:40:49 $
+ *
+ * ====================================================================
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 1999 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ * any, must include the following acknowlegement:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowlegement may appear in the software itself,
+ * if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
+ * Foundation" must not be used to endorse or promote products derived
+ * from this software without prior written permission. For written
+ * permission, please contact [EMAIL PROTECTED]
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ * nor may "Apache" appear in their names without prior written
+ * permission of the Apache Group.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ * [Additional notices, if required by prior licensing conditions]
+ *
*/
package org.apache.slide.webdav.method;
@@ -76,795 +135,795 @@
/**
* An implementation of the DeltaV <code>REPORT</code> method.
*
- * @version $Revision: 1.2 $
+ * @version $Revision: 1.3 $
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Ralf Stuckert</a>
*/
public class ReportMethod extends WebdavMethod implements DeltavConstants {
-
- /**
- * String constant for <code>version-tree</code>.
- */
- public static final String VERSION_TREE = "version-tree";
-
- /**
- * String constant for <code>expand-property</code>.
- */
- public static final String EXPAND_PROPERTY = "expand-property";
-
- /**
- * String constant for <code>locate-by-history/code>.
- */
- public static final String LOCATE_BY_HISTORY = "locate-by-history";
-
- /**
- * String constant for <code>text/xml</code>.
- */
- public static final String TEXT_XML = "text/xml";
-
- /**
- * String constant for <code>allprop</code>.
- */
- public static final String ALLPROP = "allprop";
-
- /**
- * String constant for <code>prop</code>.
- */
- public static final String PROP = "prop";
-
- /**
- * String constant for <code>propstat</code>.
- */
- public static final String PROPSTAT = "propstat";
-
- /**
- * String constant for <code>response</code>.
- */
- public static final String RESPONSE = "response";
-
- /**
- * String constant for <code>status</code>.
- */
- public static final String STATUS = "status";
-
- /**
- * String constant for <code>history</code>.
- */
- public static final String HISTORY_PATH = "history";
-
- /**
- * String constant for <code>href</code>.
- */
- public static final String HREF = "href";
-
- /**
- * String constant for <code>D</code>.
- */
- public static final String DAV_NS = "D";
-
- /**
- * String constant for <code>DAV:</code>.
- */
- public static final String DAV_NS_INFO = "DAV:";
-
- /**
- * String constant for <code>multistatus</code>.
- */
- public static final String MULTISTATUS = "multistatus";
-
- /**
- * String constant for <code>UTF-8</code>.
- */
- public static final String ENCODING = "UTF-8";
-
- /**
- * String constant for <code>http://</code>.
- */
- public static final String HTTP_PROTOCOL = "http://";;
-
- /**
- * String constant for <code>HTTP/1.1</code>.
- */
- public static final String HTTP_VERSION = "HTTP/1.1";
-
-
-
-
- /**
- * The path of the target resource.
- */
- protected String resourcePath = null;
-
- /**
- * The value of the <code>Depth</code> request header.
- */
- protected int depth = 0;
-
- /**
- * The list of requested properties.
- */
- protected RequestedProperties requestedProperties = null;
-
- /**
- * The request content (XML) Document.
- */
- protected Document requestContentDocument = null;
-
-
-
- /**
- * Creates a ReportMethod with the given arguments.
- *
- * @param token the NamespaceAccessToken.
- * @param request the servlet request to process.
- * @param response the servlet resonse.
- * @param servletConfig the servlet configuration.
- *
- */
+
+ /**
+ * String constant for <code>version-tree</code>.
+ */
+ public static final String VERSION_TREE = "version-tree";
+
+ /**
+ * String constant for <code>expand-property</code>.
+ */
+ public static final String EXPAND_PROPERTY = "expand-property";
+
+ /**
+ * String constant for <code>locate-by-history/code>.
+ */
+ public static final String LOCATE_BY_HISTORY = "locate-by-history";
+
+ /**
+ * String constant for <code>text/xml</code>.
+ */
+ public static final String TEXT_XML = "text/xml";
+
+ /**
+ * String constant for <code>allprop</code>.
+ */
+ public static final String ALLPROP = "allprop";
+
+ /**
+ * String constant for <code>prop</code>.
+ */
+ public static final String PROP = "prop";
+
+ /**
+ * String constant for <code>propstat</code>.
+ */
+ public static final String PROPSTAT = "propstat";
+
+ /**
+ * String constant for <code>response</code>.
+ */
+ public static final String RESPONSE = "response";
+
+ /**
+ * String constant for <code>status</code>.
+ */
+ public static final String STATUS = "status";
+
+ /**
+ * String constant for <code>history</code>.
+ */
+ public static final String HISTORY_PATH = "history";
+
+ /**
+ * String constant for <code>href</code>.
+ */
+ public static final String HREF = "href";
+
+ /**
+ * String constant for <code>D</code>.
+ */
+ public static final String DAV_NS = "D";
+
+ /**
+ * String constant for <code>DAV:</code>.
+ */
+ public static final String DAV_NS_INFO = "DAV:";
+
+ /**
+ * String constant for <code>multistatus</code>.
+ */
+ public static final String MULTISTATUS = "multistatus";
+
+ /**
+ * String constant for <code>UTF-8</code>.
+ */
+ public static final String ENCODING = "UTF-8";
+
+ /**
+ * String constant for <code>http://</code>.
+ */
+ public static final String HTTP_PROTOCOL = "http://";;
+
+ /**
+ * String constant for <code>HTTP/1.1</code>.
+ */
+ public static final String HTTP_VERSION = "HTTP/1.1";
+
+
+
+
+ /**
+ * The path of the target resource.
+ */
+ protected String resourcePath = null;
+
+ /**
+ * The value of the <code>Depth</code> request header.
+ */
+ protected int depth = 0;
+
+ /**
+ * The list of requested properties.
+ */
+ protected RequestedProperties requestedProperties = null;
+
+ /**
+ * The request content (XML) Document.
+ */
+ protected Document requestContentDocument = null;
+
+
+
+ /**
+ * Creates a ReportMethod with the given arguments.
+ *
+ * @param token the NamespaceAccessToken.
+ * @param request the servlet request to process.
+ * @param response the servlet resonse.
+ * @param servletConfig the servlet configuration.
+ *
+ */
public ReportMethod(NamespaceAccessToken token, HttpServletRequest request,
HttpServletResponse response, WebdavServletConfig servletConfig) {
- super(token, request, response, servletConfig);
+ super(token, request, response, servletConfig);
}
-
-
- /**
- * Parses the request.
- *
- * @throws WebdavException if parsing fails (e.g. if it is a <code>bad
- * </code> request).
- */
+
+
+ /**
+ * Parses the request.
+ *
+ * @throws WebdavException if parsing fails (e.g. if it is a <code>bad
+ * </code> request).
+ */
protected void parseRequest() throws WebdavException {
-
- retrieveResourcePath();
- retrieveDepth();
-
- if ( ! getRequest().getContentType().startsWith(TEXT_XML) ){
- return;
- }
-
- try{
- retrieveRequestContent();
-
- Element element = getRequestContent().getRootElement();
- if (element == null) {
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
-
- if (element.getName().equalsIgnoreCase(VERSION_TREE)){
- parseVersionTreeRequest(element);
- }
- else if (element.getName().equalsIgnoreCase(EXPAND_PROPERTY)){
- // TODO
- // expand-property report
- }
- else if
(element.getName().equalsIgnoreCase(LOCATE_BY_HISTORY)){
- // TODO
- // locate-by-history report
- }
- else{
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
- }
- catch (IOException e){
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
- catch (SAXException e){
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
- catch (ParserConfigurationException e){
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
- }
-
- /**
- * Parses the <code><version-tree></code> request.
- *
- * @param versionTreeElement the <code><version-tree></code>
- * Element.
- *
- * @throws WebdavException if parsing fails for any reason.
- */
- protected void parseVersionTreeRequest(Element versionTreeElement) throws
WebdavException {
-
- List childrenList = versionTreeElement.getChildren();
- if (childrenList.size() == 0) {
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
-
- Element element = (Element)childrenList.get(0);
-
- if ( ALLPROP.equals(element.getName()) ||
PROP.equals(element.getName()) ) {
- requestedProperties = new RequestedPropertiesImpl(element);
- }
- else {
- throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
- }
- }
-
- /**
- * Executes the servlet request.
- *
- * @throws IOException if any I/O problems occur during execution.
- * @throws WebdavException if processing the request fails.
- */
- protected void executeRequest() throws IOException, WebdavException {
-
- // content type must be set BEFORE calling getWriter()
- getResponse().setContentType(TEXT_XML + "; charset=" + ENCODING);
-
- Element multistatusElement = new Element(MULTISTATUS,
Namespace.getNamespace(DAV_NS, DAV_NS_INFO));
-
- getResponse().setStatus(WebdavStatus.SC_MULTI_STATUS);
-
- try {
-
- executeVersionTreeReport(requestUri, multistatusElement);
-
- new XMLOutputter().output(multistatusElement,
getResponse().getWriter());
- }
- catch (Exception e) {
- e.printStackTrace();
-// writeErrorResponse(generatedXML, e);
-// generatedXML.writeElement(DAV_NS, null, MULTISTATUS,
XMLPrinter.CLOSING);
-// generatedXML.sendData();
-
- String statusText = getStatusText(e);
- if (statusText != null) {
- resp.sendError(getErrorCode(e), statusText);
- }
- else {
- resp.sendError(getErrorCode(e));
- }
- }
- }
-
- /**
- * Executes a requested <code>version-tree</code> report.
- *
- * @param requestUri the URI of the requested resource.
- * @param parentElement the parent Element to append the
- * <response></code> to.
- *
- * @throws WebdavException
- * @throws ObjectLockedException
- * @throws RevisionDescriptorNotFoundException
- * @throws ServiceAccessException
- * @throws LinkedObjectNotFoundException
- * @throws AccessDeniedException
- * @throws ObjectNotFoundException
- * @throws JDOMException
- */
- protected void executeVersionTreeReport(String requestUri, Element
parentElement) throws WebdavException, ObjectLockedException,
RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException,
JDOMException {
-
- NodeRevisionDescriptors revisionDescriptors = null;
- NodeRevisionDescriptor revisionDescriptor = null;
- NodeRevisionNumber revisionNumber = null;
- String slideUri = null;
- boolean isHistory = false;
-
- if (isHistoryURI(requestUri)) {
- revisionDescriptors = content.retrieve(slideToken, requestUri);
- revisionNumber = new NodeRevisionNumber(0, 0);
- slideUri = requestUri;
- isHistory = true;
- }
- else if (isRevisionURI(requestUri)) {
- String revisionUri = getHistoryURI(requestUri);
- revisionDescriptors = content.retrieve(slideToken,
revisionUri);
- revisionNumber = getRevisionNumber(requestUri);
- slideUri = revisionUri;
- }
- else {
- revisionDescriptors = content.retrieve(slideToken,
getResourcePath());
- revisionNumber = revisionDescriptors.getLatestRevision();
- slideUri = getResourcePath();
-
- // check if this is a VCR
- revisionDescriptor = content.retrieve(slideToken,
-
revisionDescriptors,
-
revisionNumber);
- NodeProperty lastCheckedInRevisionProperty =
revisionDescriptor.getProperty(P_CHECKED_IN);
- if (lastCheckedInRevisionProperty == null) {
- lastCheckedInRevisionProperty =
revisionDescriptor.getProperty(P_CHECKED_OUT);
- }
- if (lastCheckedInRevisionProperty != null) {
- String revisionUri =
getHistoryURI((String)lastCheckedInRevisionProperty.getValue());
- revisionDescriptors = content.retrieve(slideToken,
revisionUri);
- revisionNumber =
getRevisionNumber((String)lastCheckedInRevisionProperty.getValue());
- slideUri = revisionUri;
- }
- }
-
-
- revisionDescriptor = content.retrieve(slideToken,
-
revisionDescriptors,
-
revisionNumber);
- NodeProperty supportedReportSetProperty =
- revisionDescriptor.getProperty(P_SUPPORTED_REPORT_SET);
- if ( (supportedReportSetProperty == null) ||
-
(supportedReportSetProperty.toString().indexOf(R_VERSION_TREE) < 0) ) {
- // TODO:
- // version tree report not supported
- }
-
- try {
- if (revisionDescriptors.isVersioned()){
- writeVersionTreeReport(slideUri, revisionDescriptors,
revisionNumber, slideToken, requestUri, parentElement);
- }
- else {
- writeVersionTreeReport(requestUri, parentElement);
- }
- }
- catch (SlideException e) {
- throw new WebdavException(getErrorCode(e));
- }
- }
-
-
-
- /**
- * Write the <code>version-tree</code> report of the unversioned resource
- * specified by the <code>revisionDescriptor</code>
- *
- * @param slideUri
- * @param revisionDescriptors
- * @param revisionNumber
- * @param slideToken
- * @param requestUri
- * @param parentElement the parent Element to append the
- * <response></code> to.
- *
- * @throws ObjectLockedException
- * @throws ServiceAccessException
- * @throws LinkedObjectNotFoundException
- * @throws AccessDeniedException
- * @throws ObjectNotFoundException
- * @throws RevisionDescriptorNotFoundException
- * @throws LockTokenNotFoundException
- * @throws JDOMException
- */
- private void writeVersionTreeReport(String slideUri, NodeRevisionDescriptors
revisionDescriptors, NodeRevisionNumber revisionNumber, SlideToken slideToken, String
requestUri, Element parentElement) throws ObjectLockedException,
ServiceAccessException, LinkedObjectNotFoundException, AccessDeniedException,
ObjectNotFoundException, RevisionDescriptorNotFoundException,
LockTokenNotFoundException, JDOMException {
-
- System.out.println("Versioned");
-
- int statusCode = WebdavStatus.SC_OK;
-
- Element response = new Element(RESPONSE,
Namespace.getNamespace(DAV_NS, DAV_NS_INFO));
- parentElement.addContent(response);
-
- Element href = new Element(HREF, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
- href.setText(HTTP_PROTOCOL + req.getServerName()+ ":" +
req.getServerPort() + req.getContextPath() + requestUri);
- response.addContent(href);
-
- PropertyRetrieverImpl retriever = new PropertyRetrieverImpl(token,
slideToken);
-
- if (revisionNumber.equals(new NodeRevisionNumber(0, 0))) {
- // this is a history
-
response.addContent(retriever.getPropertiesOfObject(getRequestedProperties(),
slideUri, revisionNumber, req.getContextPath(), true));
- }
- else {
- // this is a versioned resource
- Enumeration revisionNumberEnum =
revisionDescriptors.getSuccessors(revisionDescriptors.getInitialRevision());
- while (revisionNumberEnum.hasMoreElements()) {
-
response.addContent(retriever.getPropertiesOfObject(getRequestedProperties(),
slideUri, (NodeRevisionNumber)revisionNumberEnum.nextElement(), req.getContextPath(),
true));
- }
- }
- }
-
-
- /**
- * Write the <code>version-tree</code> report of the unversioned resource
- * specified by the <code>revisionDescriptor</code>
- *
- * @param requestUri the URI of the requested resource.
- * @param parentElement the parent Element to append the
- * <response></code> to.
- *
- * @throws ObjectLockedException
- * @throws ServiceAccessException
- * @throws LinkedObjectNotFoundException
- * @throws AccessDeniedException
- * @throws ObjectNotFoundException
- * @throws RevisionDescriptorNotFoundException
- * @throws LockTokenNotFoundException
- * @throws JDOMException
- */
- private void writeVersionTreeReport(String requestUri, Element parentElement)
throws ObjectLockedException, ServiceAccessException, LinkedObjectNotFoundException,
AccessDeniedException, ObjectNotFoundException, RevisionDescriptorNotFoundException,
LockTokenNotFoundException, JDOMException {
-
- int statusCode = WebdavStatus.SC_OK;
-
- Element response = new Element(RESPONSE,
Namespace.getNamespace(DAV_NS, DAV_NS_INFO));
- parentElement.addContent(response);
-
- Element href = new Element(HREF, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
- href.setText(HTTP_PROTOCOL + req.getServerName()+ ":" +
req.getServerPort() + req.getContextPath() + requestUri);
- response.addContent(href);
-
- PropertyRetrieverImpl retriever = new PropertyRetrieverImpl(token,
slideToken);
-
response.addContent(retriever.getPropertiesOfObject(getRequestedProperties(),
requestUri, req.getContextPath(), true));
- }
-
-
- /**
- * Writes the appropriate <code><response></code> due to the given
- * <code>exception</code> to the <code>generatedXML</code>
- *
- * @param parentElement the parent Element to append the
- * <response></code> to.
- * @param exception the exception that caused the error.
- */
- private void writeErrorResponse(Element parentElement, Exception exception) {
-
- Element response = new Element(RESPONSE,
Namespace.getNamespace(DAV_NS, DAV_NS_INFO));
- parentElement.addContent(response);
-
- Element href = new Element(HREF, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
- href.setText(HTTP_PROTOCOL +
- getRequest().getServerName()+ ":" +
- getRequest().getServerPort() +
- getRequest().getContextPath() +
- requestUri);
- response.addContent(href);
-
- Element propStat = new Element(PROPSTAT,
Namespace.getNamespace(DAV_NS, DAV_NS_INFO));
- response.addContent(propStat);
-
- Element status = new Element(STATUS, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
- int iErrorCode = getErrorCode(exception);
- status.setText(HTTP_VERSION + " " + iErrorCode + " " +
WebdavStatus.getStatusText(iErrorCode));
- propStat.addContent(status);
- }
-
-
- /**
- * Returns the list of requested properties.
- *
- * @return the list of requested properties.
- */
- protected RequestedProperties getRequestedProperties() {
- if (requestedProperties == null) {
- requestedProperties = new RequestedPropertiesImpl();
- }
- return requestedProperties;
- }
-
- /**
- * Returns the path of the target resource.
- *
- * @return the path of the target resource.
- */
- protected String getResourcePath() {
- return resourcePath;
- }
-
- /**
- * Retrieves the path of the target resource.
- */
- protected void retrieveResourcePath() {
- resourcePath = requestUri;
- if (resourcePath == null) {
- resourcePath = "/";
- }
- }
-
- /**
- * Returns the request content (XML) Document.
- *
- * @return the request content (XML) Document.
- */
- protected Document getRequestContent() {
- return requestContentDocument;
- }
-
- /**
- * Retrieves the request content (XML) Document.
- */
- protected void retrieveRequestContent() throws ParserConfigurationException,
IOException, SAXException{
- requestContentDocument = new DOMBuilder().build(parseRequestContent());
- }
-
- /**
- * Returns the value of the <code>Depth</code> request header.
- *
- * @return the value of the <code>Depth</code> request header.
- */
- protected int getDepth() {
- return depth;
- }
-
-
- /**
- * Retrieves the value of the <code>Depth</code> header.
- */
- protected void retrieveDepth() {
-
- depth = Integer.MAX_VALUE;
- try {
- depth = req.getIntHeader("Depth");
- }
- catch (java.lang.NumberFormatException nfEx){
- }
- }
-
- /**
- * Returns the servlet request.
- *
- * @return the servlet request.
- */
- public HttpServletRequest getRequest() {
- return req;
- }
-
-
- /**
- * Returns the servlet response.
- *
- * @return the servlet response.
- */
- public HttpServletResponse getResponse() {
- return resp;
- }
-
-
- /**
- * Returns the NamespaceAccessToken.
- *
- * @return the NamespaceAccessToken.
- */
- public NamespaceAccessToken getNamespaceAccessToken() {
- return token;
- }
-
-
-//
-// /**
-// * Returns the first child node of the given <code>element</code>
-// * that is an Element. If none was found, <code>null</code> is returned.
-// *
-// * @param element the Element for which to return the first child
-// * Element.
-// *
-// * @return the first child node of the given <code>element</code>
-// * that is an Element.
-// */
-// public static Element getFirstChildElement(Element element) {
-//
-// Element child = null;
-// List childElementList = getChildElementList(element);
-// if (childElementList.size() > 0) {
-// child = (Element)childElementList.get(0);
-// }
-// return child;
-// }
-//
-// /**
-// * Returns a List containing all child Elements of the given
-// * <code>element</code>.
-// *
-// * @param element the Element for which to return the List of child
-// * Elements.
-// *
-// * @return a List containing all child Elements of the given
-// * <code>element</code>.
-// */
-// public static List getChildElementList(Element element) {
-//
-// List childElementList = new ArrayList();
-// if (element != null) {
-// NodeList nodeList = element.getChildNodes();
-// for (int i=0; i<nodeList.getLength(); i++) {
-// if (nodeList.item(i).getNodeType() ==
Node.ELEMENT_NODE) {
-// childElementList.add(nodeList.item(i));
-// }
-// }
-// }
-// return childElementList;
-// }
-//
-//
-// /**
-// * Returns the first child node of the given <code>element</code>
-// * that is an Element. If none was found, <code>null</code> is returned.
-// *
-// * @param element the Element for which to return the first child
-// * Element.
-// *
-// * @return the first child node of the given <code>element</code>
-// * that is an Element.
-// */
-// public static Element getNextSiblingElement(Element element) {
-//
-// Element sibling = null;
-// if (element != null) {
-// Node nextSibling = element.getNextSibling();
-// while ( (sibling == null) && (nextSibling != null) ) {
-// if (nextSibling.getNodeType() == Node.ELEMENT_NODE) {
-// sibling = (Element)nextSibling;
-// }
-// nextSibling = nextSibling.getNextSibling();
-// }
-// }
-// return sibling;
-// }
-//
-// /**
-// * Returns the <code>node</code>'s name. If a namespace prefix is set this
-// * is the local name, otherwise the full name.
-// *
-// * @param node the Node for which to return the name.
-// *
-// * @return the <code>node</code>'s name.
-// */
-// public static String getNodeName(Node node) {
-//
-// String nodeName = null;
-// if (node != null) {
-// if (node.getLocalName() != null) {
-// nodeName = node.getLocalName();
-// }
-// else {
-// nodeName = node.getNodeName();
-// }
-// }
-// return nodeName;
-// }
-//
-// /**
-// * Returns a start tag for the given <code>tagName</code>,
-// * e.g. for <code>hello</code> the tag <code><hello></code>
-// * will be returned.
-// *
-// * @param tagName the name of the tag.
-// *
-// * @return a start tag for the given <code>tagName</code>.
-// */
-// public static String getStartTag(String tagName) {
-// return "<" + tagName + ">";
-// }
-//
-// /**
-// * Returns an end tag for the given <code>tagName</code>,
-// * e.g. for <code>hello</code> the tag <code></hello></code>
-// * will be returned.
-// *
-// * @param tagName the name of the tag.
-// *
-// * @return an end tag for the given <code>tagName</code>.
-// */
-// public static String getEndTag(String tagName) {
-// return "</" + tagName + ">";
-// }
-//
-// /**
-// * Returns an empty tag for the given <code>tagName</code>,
-// * e.g. for <code>hello</code> the tag <code><hello/></code>
-// * will be returned.
-// *
-// * @param tagName the name of the tag.
-// *
-// * @return an empty tag for the given <code>tagName</code>.
-// */
-// public static String getEmptyTag(String tagName) {
-// return "<" + tagName + "/>";
-// }
-
- /**
- * Indicates if the given <code>uri</code> locates a <code>VHR</code>.
- *
- * @param requestURI the URI to check.
- *
- * @return <code>true</code> if the given <code>uri</code> locates a
- * <code>VHR</code>.
- */
- public static boolean isHistoryURI(String requestURI) {
-
- boolean isHistory = false;
- if (requestURI != null) {
-
- StringTokenizer tokenizer = new StringTokenizer(requestURI,
"/");
- try {
- String token = tokenizer.nextToken();
- if (token.equals(HISTORY_PATH)) {
- tokenizer.nextToken();
- isHistory = ! tokenizer.hasMoreTokens();
- }
- }
- catch (NoSuchElementException e) {
- }
- }
-
- return isHistory;
- }
-
-
- /**
- * Indicates if the given <code>uri</code> locates a <code>VR</code>.
- *
- * @param requestURI the URI to check.
- *
- * @return <code>true</code> if the given <code>uri</code> locates a
- * <code>VR</code>.
- */
- public static boolean isRevisionURI(String requestURI) {
-
- return (getRevisionNumber(requestURI) != null);
- }
-
-
- /**
- * If the given <code>uri</code> is the URI of a <code>VHR</code> or a
- * <code>VR</code>, this method returns the URI used to locate the
- * <code>VHR</code>, otherwise <code>null</code>.
- *
- * @param requestURI the request URI.
- *
- * @return the URI used to locate the <code>VHR</code>.
- */
- public static String getHistoryURI(String requestURI) {
-
- String historyURI = null;
-
- if (requestURI != null) {
- StringTokenizer tokenizer = new StringTokenizer(requestURI,
"/");
- try {
- String token = tokenizer.nextToken();
- if (token.equals(HISTORY_PATH)) {
- historyURI = tokenizer.nextToken();
- }
- }
- catch (NoSuchElementException e) {
- }
- }
- return historyURI;
- }
-
- /**
- * If the given <code>uri</code> is the URI of a <code>VR</code>, this
- * method returns the revision number, otherwise <code>null</code>.
- *
- * @param requestURI the request URI.
- *
- * @return the revision number of the <code>VR</code>.
- */
- public static NodeRevisionNumber getRevisionNumber(String requestURI) {
-
- NodeRevisionNumber revisionNumber = null;
-
- if (requestURI != null) {
- StringTokenizer tokenizer = new StringTokenizer(requestURI,
"/");
- try {
- String token = tokenizer.nextToken();
- if (token.equals(HISTORY_PATH)) {
- tokenizer.nextToken();
- String revisionString = tokenizer.nextToken();
- revisionNumber = new
NodeRevisionNumber(revisionString);
- }
- }
- catch (NoSuchElementException e) {
- }
- catch (NumberFormatException e) {
- }
- }
- return revisionNumber;
- }
-
-
- /**
- * If the given <code>exception</code> is a WebdavException, the appropriate
- * status text will be returned. otherwise <code>null</code>.
- *
- * @param exception the Exception for which to return the status text.
- *
- * @return the appropriate status text.
- */
- protected String getStatusText(Exception exception) {
-
- String status = null;
- if (exception instanceof WebdavException) {
-
WebdavStatus.getStatusText(((WebdavException)exception).getStatusCode());
- }
-
- return status;
- }
+
+ retrieveResourcePath();
+ retrieveDepth();
+
+ if ( ! getRequest().getContentType().startsWith(TEXT_XML) ){
+ return;
+ }
+
+ try{
+ retrieveRequestContent();
+
+ Element element = getRequestContent().getRootElement();
+ if (element == null) {
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+
+ if (element.getName().equalsIgnoreCase(VERSION_TREE)){
+ parseVersionTreeRequest(element);
+ }
+ else if (element.getName().equalsIgnoreCase(EXPAND_PROPERTY)){
+ // TODO
+ // expand-property report
+ }
+ else if (element.getName().equalsIgnoreCase(LOCATE_BY_HISTORY)){
+ // TODO
+ // locate-by-history report
+ }
+ else{
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+ }
+ catch (IOException e){
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+ catch (SAXException e){
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+ catch (ParserConfigurationException e){
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+ }
+
+ /**
+ * Parses the <code><version-tree></code> request.
+ *
+ * @param versionTreeElement the <code><version-tree></code>
+ * Element.
+ *
+ * @throws WebdavException if parsing fails for any reason.
+ */
+ protected void parseVersionTreeRequest(Element versionTreeElement) throws
WebdavException {
+
+ List childrenList = versionTreeElement.getChildren();
+ if (childrenList.size() == 0) {
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+
+ Element element = (Element)childrenList.get(0);
+
+ if ( ALLPROP.equals(element.getName()) || PROP.equals(element.getName()) ) {
+ requestedProperties = new RequestedPropertiesImpl(element);
+ }
+ else {
+ throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
+ }
+ }
+
+ /**
+ * Executes the servlet request.
+ *
+ * @throws IOException if any I/O problems occur during execution.
+ * @throws WebdavException if processing the request fails.
+ */
+ protected void executeRequest() throws IOException, WebdavException {
+
+ // content type must be set BEFORE calling getWriter()
+ getResponse().setContentType(TEXT_XML + "; charset=" + ENCODING);
+
+ Element multistatusElement = new Element(MULTISTATUS,
Namespace.getNamespace(DAV_NS, DAV_NS_INFO));
+
+ getResponse().setStatus(WebdavStatus.SC_MULTI_STATUS);
+
+ try {
+
+ executeVersionTreeReport(requestUri, multistatusElement);
+
+ new XMLOutputter().output(multistatusElement,
getResponse().getWriter());
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+// writeErrorResponse(generatedXML, e);
+// generatedXML.writeElement(DAV_NS, null, MULTISTATUS,
XMLPrinter.CLOSING);
+// generatedXML.sendData();
+
+ String statusText = getStatusText(e);
+ if (statusText != null) {
+ resp.sendError(getErrorCode(e), statusText);
+ }
+ else {
+ resp.sendError(getErrorCode(e));
+ }
+ }
+ }
+
+ /**
+ * Executes a requested <code>version-tree</code> report.
+ *
+ * @param requestUri the URI of the requested resource.
+ * @param parentElement the parent Element to append the
+ * <response></code> to.
+ *
+ * @throws WebdavException
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ * @throws JDOMException
+ */
+ protected void executeVersionTreeReport(String requestUri, Element
parentElement) throws WebdavException, ObjectLockedException,
RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException,
JDOMException {
+
+ NodeRevisionDescriptors revisionDescriptors = null;
+ NodeRevisionDescriptor revisionDescriptor = null;
+ NodeRevisionNumber revisionNumber = null;
+ String slideUri = null;
+ boolean isHistory = false;
+
+ if (isHistoryURI(requestUri)) {
+ revisionDescriptors = content.retrieve(slideToken, requestUri);
+ revisionNumber = new NodeRevisionNumber(0, 0);
+ slideUri = requestUri;
+ isHistory = true;
+ }
+ else if (isRevisionURI(requestUri)) {
+ String revisionUri = getHistoryURI(requestUri);
+ revisionDescriptors = content.retrieve(slideToken, revisionUri);
+ revisionNumber = getRevisionNumber(requestUri);
+ slideUri = revisionUri;
+ }
+ else {
+ revisionDescriptors = content.retrieve(slideToken, getResourcePath());
+ revisionNumber = revisionDescriptors.getLatestRevision();
+ slideUri = getResourcePath();
+
+ // check if this is a VCR
+ revisionDescriptor = content.retrieve(slideToken,
+ revisionDescriptors,
+ revisionNumber);
+ NodeProperty lastCheckedInRevisionProperty =
revisionDescriptor.getProperty(P_CHECKED_IN);
+ if (lastCheckedInRevisionProperty == null) {
+ lastCheckedInRevisionProperty =
revisionDescriptor.getProperty(P_CHECKED_OUT);
+ }
+ if (lastCheckedInRevisionProperty != null) {
+ String revisionUri =
getHistoryURI((String)lastCheckedInRevisionProperty.getValue());
+ revisionDescriptors = content.retrieve(slideToken, revisionUri);
+ revisionNumber =
getRevisionNumber((String)lastCheckedInRevisionProperty.getValue());
+ slideUri = revisionUri;
+ }
+ }
+
+
+ revisionDescriptor = content.retrieve(slideToken,
+ revisionDescriptors,
+ revisionNumber);
+ NodeProperty supportedReportSetProperty =
+ revisionDescriptor.getProperty(P_SUPPORTED_REPORT_SET);
+ if ( (supportedReportSetProperty == null) ||
+ (supportedReportSetProperty.toString().indexOf(R_VERSION_TREE) < 0)
) {
+ // TODO:
+ // version tree report not supported
+ }
+
+ try {
+ if (revisionDescriptors.isVersioned()){
+ writeVersionTreeReport(slideUri, revisionDescriptors,
revisionNumber, slideToken, requestUri, parentElement);
+ }
+ else {
+ writeVersionTreeReport(requestUri, parentElement);
+ }
+ }
+ catch (SlideException e) {
+ throw new WebdavException(getErrorCode(e));
+ }
+ }
+
+
+
+ /**
+ * Write the <code>version-tree</code> report of the unversioned resource
+ * specified by the <code>revisionDescriptor</code>
+ *
+ * @param slideUri
+ * @param revisionDescriptors
+ * @param revisionNumber
+ * @param slideToken
+ * @param requestUri
+ * @param parentElement the parent Element to append the
+ * <response></code> to.
+ *
+ * @throws ObjectLockedException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws LockTokenNotFoundException
+ * @throws JDOMException
+ */
+ private void writeVersionTreeReport(String slideUri, NodeRevisionDescriptors
revisionDescriptors, NodeRevisionNumber revisionNumber, SlideToken slideToken, String
requestUri, Element parentElement) throws ObjectLockedException,
ServiceAccessException, LinkedObjectNotFoundException, AccessDeniedException,
ObjectNotFoundException, RevisionDescriptorNotFoundException,
LockTokenNotFoundException, JDOMException {
+
+ System.out.println("Versioned");
+
+ int statusCode = WebdavStatus.SC_OK;
+
+ Element response = new Element(RESPONSE, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ parentElement.addContent(response);
+
+ Element href = new Element(HREF, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ href.setText(HTTP_PROTOCOL + req.getServerName()+ ":" + req.getServerPort()
+ req.getContextPath() + requestUri);
+ response.addContent(href);
+
+ PropertyRetrieverImpl retriever = new PropertyRetrieverImpl(token,
slideToken);
+
+ if (revisionNumber.equals(new NodeRevisionNumber(0, 0))) {
+ // this is a history
+
response.addContent(retriever.getPropertiesOfObject(getRequestedProperties(),
slideUri, revisionNumber, req.getContextPath(), true));
+ }
+ else {
+ // this is a versioned resource
+ Enumeration revisionNumberEnum =
revisionDescriptors.getSuccessors(revisionDescriptors.getInitialRevision());
+ while (revisionNumberEnum.hasMoreElements()) {
+
response.addContent(retriever.getPropertiesOfObject(getRequestedProperties(),
slideUri, (NodeRevisionNumber)revisionNumberEnum.nextElement(), req.getContextPath(),
true));
+ }
+ }
+ }
+
+
+ /**
+ * Write the <code>version-tree</code> report of the unversioned resource
+ * specified by the <code>revisionDescriptor</code>
+ *
+ * @param requestUri the URI of the requested resource.
+ * @param parentElement the parent Element to append the
+ * <response></code> to.
+ *
+ * @throws ObjectLockedException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws LockTokenNotFoundException
+ * @throws JDOMException
+ */
+ private void writeVersionTreeReport(String requestUri, Element parentElement)
throws ObjectLockedException, ServiceAccessException, LinkedObjectNotFoundException,
AccessDeniedException, ObjectNotFoundException, RevisionDescriptorNotFoundException,
LockTokenNotFoundException, JDOMException {
+
+ int statusCode = WebdavStatus.SC_OK;
+
+ Element response = new Element(RESPONSE, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ parentElement.addContent(response);
+
+ Element href = new Element(HREF, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ href.setText(HTTP_PROTOCOL + req.getServerName()+ ":" + req.getServerPort()
+ req.getContextPath() + requestUri);
+ response.addContent(href);
+
+ PropertyRetrieverImpl retriever = new PropertyRetrieverImpl(token,
slideToken);
+
response.addContent(retriever.getPropertiesOfObject(getRequestedProperties(),
requestUri, req.getContextPath(), true));
+ }
+
+
+ /**
+ * Writes the appropriate <code><response></code> due to the given
+ * <code>exception</code> to the <code>generatedXML</code>
+ *
+ * @param parentElement the parent Element to append the
+ * <response></code> to.
+ * @param exception the exception that caused the error.
+ */
+ private void writeErrorResponse(Element parentElement, Exception exception) {
+
+ Element response = new Element(RESPONSE, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ parentElement.addContent(response);
+
+ Element href = new Element(HREF, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ href.setText(HTTP_PROTOCOL +
+ getRequest().getServerName()+ ":" +
+ getRequest().getServerPort() +
+ getRequest().getContextPath() +
+ requestUri);
+ response.addContent(href);
+
+ Element propStat = new Element(PROPSTAT, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ response.addContent(propStat);
+
+ Element status = new Element(STATUS, Namespace.getNamespace(DAV_NS,
DAV_NS_INFO));
+ int iErrorCode = getErrorCode(exception);
+ status.setText(HTTP_VERSION + " " + iErrorCode + " " +
WebdavStatus.getStatusText(iErrorCode));
+ propStat.addContent(status);
+ }
+
+
+ /**
+ * Returns the list of requested properties.
+ *
+ * @return the list of requested properties.
+ */
+ protected RequestedProperties getRequestedProperties() {
+ if (requestedProperties == null) {
+ requestedProperties = new RequestedPropertiesImpl();
+ }
+ return requestedProperties;
+ }
+
+ /**
+ * Returns the path of the target resource.
+ *
+ * @return the path of the target resource.
+ */
+ protected String getResourcePath() {
+ return resourcePath;
+ }
+
+ /**
+ * Retrieves the path of the target resource.
+ */
+ protected void retrieveResourcePath() {
+ resourcePath = requestUri;
+ if (resourcePath == null) {
+ resourcePath = "/";
+ }
+ }
+
+ /**
+ * Returns the request content (XML) Document.
+ *
+ * @return the request content (XML) Document.
+ */
+ protected Document getRequestContent() {
+ return requestContentDocument;
+ }
+
+ /**
+ * Retrieves the request content (XML) Document.
+ */
+ protected void retrieveRequestContent() throws ParserConfigurationException,
IOException, SAXException{
+ requestContentDocument = new DOMBuilder().build(parseRequestContent());
+ }
+
+ /**
+ * Returns the value of the <code>Depth</code> request header.
+ *
+ * @return the value of the <code>Depth</code> request header.
+ */
+ protected int getDepth() {
+ return depth;
+ }
+
+
+ /**
+ * Retrieves the value of the <code>Depth</code> header.
+ */
+ protected void retrieveDepth() {
+
+ depth = Integer.MAX_VALUE;
+ try {
+ depth = req.getIntHeader("Depth");
+ }
+ catch (java.lang.NumberFormatException nfEx){
+ }
+ }
+
+ /**
+ * Returns the servlet request.
+ *
+ * @return the servlet request.
+ */
+ public HttpServletRequest getRequest() {
+ return req;
+ }
+
+
+ /**
+ * Returns the servlet response.
+ *
+ * @return the servlet response.
+ */
+ public HttpServletResponse getResponse() {
+ return resp;
+ }
+
+
+ /**
+ * Returns the NamespaceAccessToken.
+ *
+ * @return the NamespaceAccessToken.
+ */
+ public NamespaceAccessToken getNamespaceAccessToken() {
+ return token;
+ }
+
+
+//
+// /**
+// * Returns the first child node of the given <code>element</code>
+// * that is an Element. If none was found, <code>null</code> is returned.
+// *
+// * @param element the Element for which to return the first child
+// * Element.
+// *
+// * @return the first child node of the given <code>element</code>
+// * that is an Element.
+// */
+// public static Element getFirstChildElement(Element element) {
+//
+// Element child = null;
+// List childElementList = getChildElementList(element);
+// if (childElementList.size() > 0) {
+// child = (Element)childElementList.get(0);
+// }
+// return child;
+// }
+//
+// /**
+// * Returns a List containing all child Elements of the given
+// * <code>element</code>.
+// *
+// * @param element the Element for which to return the List of child
+// * Elements.
+// *
+// * @return a List containing all child Elements of the given
+// * <code>element</code>.
+// */
+// public static List getChildElementList(Element element) {
+//
+// List childElementList = new ArrayList();
+// if (element != null) {
+// NodeList nodeList = element.getChildNodes();
+// for (int i=0; i<nodeList.getLength(); i++) {
+// if (nodeList.item(i).getNodeType() == Node.ELEMENT_NODE) {
+// childElementList.add(nodeList.item(i));
+// }
+// }
+// }
+// return childElementList;
+// }
+//
+//
+// /**
+// * Returns the first child node of the given <code>element</code>
+// * that is an Element. If none was found, <code>null</code> is returned.
+// *
+// * @param element the Element for which to return the first child
+// * Element.
+// *
+// * @return the first child node of the given <code>element</code>
+// * that is an Element.
+// */
+// public static Element getNextSiblingElement(Element element) {
+//
+// Element sibling = null;
+// if (element != null) {
+// Node nextSibling = element.getNextSibling();
+// while ( (sibling == null) && (nextSibling != null) ) {
+// if (nextSibling.getNodeType() == Node.ELEMENT_NODE) {
+// sibling = (Element)nextSibling;
+// }
+// nextSibling = nextSibling.getNextSibling();
+// }
+// }
+// return sibling;
+// }
+//
+// /**
+// * Returns the <code>node</code>'s name. If a namespace prefix is set this
+// * is the local name, otherwise the full name.
+// *
+// * @param node the Node for which to return the name.
+// *
+// * @return the <code>node</code>'s name.
+// */
+// public static String getNodeName(Node node) {
+//
+// String nodeName = null;
+// if (node != null) {
+// if (node.getLocalName() != null) {
+// nodeName = node.getLocalName();
+// }
+// else {
+// nodeName = node.getNodeName();
+// }
+// }
+// return nodeName;
+// }
+//
+// /**
+// * Returns a start tag for the given <code>tagName</code>,
+// * e.g. for <code>hello</code> the tag <code><hello></code>
+// * will be returned.
+// *
+// * @param tagName the name of the tag.
+// *
+// * @return a start tag for the given <code>tagName</code>.
+// */
+// public static String getStartTag(String tagName) {
+// return "<" + tagName + ">";
+// }
+//
+// /**
+// * Returns an end tag for the given <code>tagName</code>,
+// * e.g. for <code>hello</code> the tag <code></hello></code>
+// * will be returned.
+// *
+// * @param tagName the name of the tag.
+// *
+// * @return an end tag for the given <code>tagName</code>.
+// */
+// public static String getEndTag(String tagName) {
+// return "</" + tagName + ">";
+// }
+//
+// /**
+// * Returns an empty tag for the given <code>tagName</code>,
+// * e.g. for <code>hello</code> the tag <code><hello/></code>
+// * will be returned.
+// *
+// * @param tagName the name of the tag.
+// *
+// * @return an empty tag for the given <code>tagName</code>.
+// */
+// public static String getEmptyTag(String tagName) {
+// return "<" + tagName + "/>";
+// }
+
+ /**
+ * Indicates if the given <code>uri</code> locates a <code>VHR</code>.
+ *
+ * @param requestURI the URI to check.
+ *
+ * @return <code>true</code> if the given <code>uri</code> locates a
+ * <code>VHR</code>.
+ */
+ public static boolean isHistoryURI(String requestURI) {
+
+ boolean isHistory = false;
+ if (requestURI != null) {
+
+ StringTokenizer tokenizer = new StringTokenizer(requestURI, "/");
+ try {
+ String token = tokenizer.nextToken();
+ if (token.equals(HISTORY_PATH)) {
+ tokenizer.nextToken();
+ isHistory = ! tokenizer.hasMoreTokens();
+ }
+ }
+ catch (NoSuchElementException e) {
+ }
+ }
+
+ return isHistory;
+ }
+
+
+ /**
+ * Indicates if the given <code>uri</code> locates a <code>VR</code>.
+ *
+ * @param requestURI the URI to check.
+ *
+ * @return <code>true</code> if the given <code>uri</code> locates a
+ * <code>VR</code>.
+ */
+ public static boolean isRevisionURI(String requestURI) {
+
+ return (getRevisionNumber(requestURI) != null);
+ }
+
+
+ /**
+ * If the given <code>uri</code> is the URI of a <code>VHR</code> or a
+ * <code>VR</code>, this method returns the URI used to locate the
+ * <code>VHR</code>, otherwise <code>null</code>.
+ *
+ * @param requestURI the request URI.
+ *
+ * @return the URI used to locate the <code>VHR</code>.
+ */
+ public static String getHistoryURI(String requestURI) {
+
+ String historyURI = null;
+
+ if (requestURI != null) {
+ StringTokenizer tokenizer = new StringTokenizer(requestURI, "/");
+ try {
+ String token = tokenizer.nextToken();
+ if (token.equals(HISTORY_PATH)) {
+ historyURI = tokenizer.nextToken();
+ }
+ }
+ catch (NoSuchElementException e) {
+ }
+ }
+ return historyURI;
+ }
+
+ /**
+ * If the given <code>uri</code> is the URI of a <code>VR</code>, this
+ * method returns the revision number, otherwise <code>null</code>.
+ *
+ * @param requestURI the request URI.
+ *
+ * @return the revision number of the <code>VR</code>.
+ */
+ public static NodeRevisionNumber getRevisionNumber(String requestURI) {
+
+ NodeRevisionNumber revisionNumber = null;
+
+ if (requestURI != null) {
+ StringTokenizer tokenizer = new StringTokenizer(requestURI, "/");
+ try {
+ String token = tokenizer.nextToken();
+ if (token.equals(HISTORY_PATH)) {
+ tokenizer.nextToken();
+ String revisionString = tokenizer.nextToken();
+ revisionNumber = new NodeRevisionNumber(revisionString);
+ }
+ }
+ catch (NoSuchElementException e) {
+ }
+ catch (NumberFormatException e) {
+ }
+ }
+ return revisionNumber;
+ }
+
+
+ /**
+ * If the given <code>exception</code> is a WebdavException, the appropriate
+ * status text will be returned. otherwise <code>null</code>.
+ *
+ * @param exception the Exception for which to return the status text.
+ *
+ * @return the appropriate status text.
+ */
+ protected String getStatusText(Exception exception) {
+
+ String status = null;
+ if (exception instanceof WebdavException) {
+
WebdavStatus.getStatusText(((WebdavException)exception).getStatusCode());
+ }
+
+ return status;
+ }
}
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