pnever 02/05/01 08:04:35
Added: src/webdav/server/org/apache/slide/webdav/method
UpdateMethod.java
Log:
Initial
Revision Changes Path
1.1
jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/UpdateMethod.java
Index: UpdateMethod.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/UpdateMethod.java,v
1.1 2002/05/01 15:04:35 pnever Exp $
* $Revision: 1.1 $
* $Date: 2002/05/01 15:04:35 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2002 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", "Slide", 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;
import java.io.*;
import java.util.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.parsers.ParserConfigurationException ;
import org.xml.sax.SAXException;
import org.jdom.Element;
import org.jdom.Document;
import org.jdom.Namespace;
import org.jdom.JDOMException;
import org.jdom.output.XMLOutputter;
import org.apache.slide.common.Uri;
import org.apache.slide.common.Domain;
import org.apache.slide.common.NamespaceAccessToken;
import org.apache.slide.common.RequestedProperties;
import org.apache.slide.common.RequestedPropertiesImpl;
import org.apache.slide.structure.SubjectNode;
import org.apache.slide.content.NodeProperty;
import org.apache.slide.content.NodeRevisionContent;
import org.apache.slide.content.NodeRevisionDescriptor;
import org.apache.slide.content.NodeRevisionDescriptors;
import org.apache.slide.content.NodeRevisionNumber;
import org.apache.slide.webdav.WebdavServletConfig;
import org.apache.slide.webdav.WebdavException;
import org.apache.slide.webdav.util.VersioningHelper;
import org.apache.slide.webdav.util.UriHandler;
import org.apache.slide.webdav.util.DeltavConstants;
import org.apache.slide.webdav.util.ViolatedPrecondition;
import org.apache.slide.webdav.util.PreconditionViolationException;
import org.apache.util.WebdavStatus;
/**
* UPDATE method.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Peter Nevermann</a>
*/
public class UpdateMethod extends AbstractMultistatusResponseMethod
implements DeltavConstants {
/** The update target */
private String resourcePath;
/** The update source */
private String updateSourcePath;
/** Requested properties */
private RequestedProperties requestedProps;
/**
* UPDATE method constructor.
*
* @param token Namespace access token
* @param req HTTP request
* @param resp HTTP response
*/
public UpdateMethod( NamespaceAccessToken token,
HttpServletRequest req,
HttpServletResponse resp,
WebdavServletConfig config)
{
super(token, req, resp, config);
readRequestContent();
}
/**
* Parse WebDAV XML query.
*
* @exception WebdavException
*/
protected void parseRequest() throws WebdavException, IOException {
resourcePath = requestUri;
if (resourcePath == null) {
resourcePath = "/";
}
if( req.getContentLength() == 0 ) {
Domain.warn( "Request body required" );
resp.setStatus(WebdavStatus.SC_BAD_REQUEST);
throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
}
try{
retrieveRequestContent();
Element ue = getRequestContent().getRootElement();
Element ve = null;
if( ue == null || !ue.getName().equals(E_UPDATE) ) {
Domain.warn( "Root element must be "+E_UPDATE );
resp.setStatus(WebdavStatus.SC_BAD_REQUEST);
throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
}
Iterator i = ue.getChildren().iterator();
while( i.hasNext() ) {
Element e = (Element)i.next();
if( e.getName().equals(E_VERSION) ) {
if( updateSourcePath != null ) {
Domain.warn( "At most one "+E_VERSION+" element allowed" );
resp.setStatus(WebdavStatus.SC_BAD_REQUEST);
throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
}
// get the href element
ve = e;
try {
Element hre = (Element)ve.getChildren().get(0);
if( hre == null || !hre.getName().equals(E_HREF) )
throw new Exception();
updateSourcePath = getSlidePath( hre.getText() );
}
catch( Exception x ) {
Domain.warn( E_VERSION+" element must contain "+E_HREF+"
element" );
resp.setStatus(WebdavStatus.SC_BAD_REQUEST);
throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
}
}
if( e.getName().equals(E_PROP) ) {
if( requestedProps != null ) {
Domain.warn( "At most one "+E_PROP+" element allowed" );
resp.setStatus(WebdavStatus.SC_BAD_REQUEST);
throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
}
requestedProps = new RequestedPropertiesImpl( e );
}
}
}
catch( org.xml.sax.SAXException x ){
resp.setStatus(WebdavStatus.SC_BAD_REQUEST);
throw new WebdavException(WebdavStatus.SC_BAD_REQUEST);
}
catch( IOException x ){
resp.setStatus(WebdavStatus.SC_INTERNAL_SERVER_ERROR);
throw new WebdavException(WebdavStatus.SC_INTERNAL_SERVER_ERROR);
}
catch( javax.xml.parsers.ParserConfigurationException x ){
resp.setStatus(WebdavStatus.SC_INTERNAL_SERVER_ERROR);
throw new WebdavException(WebdavStatus.SC_INTERNAL_SERVER_ERROR);
}
}
/**
* Execute the request.
*
* @exception WebdavException
*/
protected void executeRequest() throws WebdavException, IOException {
// Prevent dirty reads
slideToken.setForceStoreEnlistment(true);
try {
VersioningHelper vh = VersioningHelper.getVersioningHelper(
slideToken, token, req, resp, getConfig() );
vh.update( resourcePath, updateSourcePath );
}
catch (PreconditionViolationException e) {
sendPreconditionViolation(e);
throw e;
}
catch (Exception e) {
e.printStackTrace();
resp.setStatus( getErrorCode(e) ); // special handling needed
throw new WebdavException( WebdavStatus.SC_ACCEPTED, false ); // abort
the TA
}
}
}
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