/*
* $Header: /home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/UncheckoutMethod.java,v 1.20 2004/08/05 14:43:29 dflorey Exp $
* $Revision: 1.20 $
* $Date: 2004/08/05 14:43:29 $
*
* ====================================================================
*
* Copyright 1999-2002 The Apache Software Foundation
*
* 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 org.apache.slide.webdav.method;
import java.io.IOException;
import org.apache.slide.common.NamespaceAccessToken;
import org.apache.slide.common.ServiceAccessException;
import org.apache.slide.event.EventDispatcher;
import org.apache.slide.webdav.WebdavException;
import org.apache.slide.webdav.WebdavServletConfig;
import org.apache.slide.webdav.event.WebdavEvent;
import org.apache.slide.webdav.util.DeltavConstants;
import org.apache.slide.webdav.util.PreconditionViolationException;
import org.apache.slide.webdav.util.VersioningHelper;
import org.apache.slide.webdav.util.WebdavStatus;
import org.jdom.JDOMException;
/**
* UNCHECKOUT method.
*
*/
public class UncheckoutMethod extends AbstractWebdavMethod implements DeltavConstants, WriteMethod {
/**
* String constant for <code>no-cache</code>.
*/
protected static final String NO_CACHE = "no-cache";
/**
* Resource to be written.
*/
private String resourcePath;
// ----------------------------------------------------------- Constructors
/**
* Constructor.
*
* @param token the token for accessing the namespace
* @param config configuration of the WebDAV servlet
*/
public UncheckoutMethod(NamespaceAccessToken token,
WebdavServletConfig config) {
super(token, config);
}
/**
* Parse WebDAV XML query.
*
* @throws WebdavException
*/
protected void parseRequest() throws WebdavException {
// readRequestContent();
resourcePath = requestUri;
if (resourcePath == null) {
resourcePath = "/";
}
if (req.getContentLength() > 0) {
try{
parseRequestContent();
}
catch (JDOMException e){
int statusCode = WebdavStatus.SC_BAD_REQUEST;
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
catch (IOException e){
int statusCode = WebdavStatus.SC_INTERNAL_SERVER_ERROR;
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
}
}
/**
* Execute the request.
*
* @throws WebdavException
* @throws IOException
*/
protected void executeRequest() throws WebdavException, IOException {
// Prevent dirty reads
slideToken.setForceStoreEnlistment(true);
// check lock-null resources
try {
if (isLockNull(resourcePath)) {
int statusCode = WebdavStatus.SC_NOT_FOUND;
sendError( statusCode, "lock-null resource", new Object[]{resourcePath} );
throw new WebdavException( statusCode );
}
}
catch (ServiceAccessException e) {
int statusCode = getErrorCode((Exception)e);
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
try {
if ( WebdavEvent.UNCHECKOUT.isEnabled() ) EventDispatcher.getInstance().fireVetoableEvent(WebdavEvent.UNCHECKOUT, new WebdavEvent(this));
VersioningHelper vh = VersioningHelper.getVersioningHelper(
slideToken, token, req, resp, getConfig() );
vh.uncheckout(resourcePath);
}
catch (PreconditionViolationException e) {
sendPreconditionViolation(e);
throw e;
}
catch (Exception e) {
int statusCode = getErrorCode(e);
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
finally {
resp.setHeader(H_CACHE_CONTROL, NO_CACHE);
}
}
}