/*
* $Header: /home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/method/MkcolMethod.java,v 1.29.2.1 2004/02/05 16:11:23 mholz Exp $
* $Revision: 1.29.2.1 $
* $Date: 2004/02/05 16:11:23 $
*
* ====================================================================
*
* 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 java.util.Date;
import org.apache.slide.common.NamespaceAccessToken;
import org.apache.slide.common.ServiceAccessException;
import org.apache.slide.common.SlideException;
import org.apache.slide.content.NodeProperty;
import org.apache.slide.content.NodeRevisionDescriptor;
import org.apache.slide.structure.LinkedObjectNotFoundException;
import org.apache.slide.structure.ObjectAlreadyExistsException;
import org.apache.slide.structure.ObjectNotFoundException;
import org.apache.slide.structure.SubjectNode;
import org.apache.slide.util.Configuration;
import org.apache.slide.webdav.WebdavException;
import org.apache.slide.webdav.WebdavServletConfig;
import org.apache.slide.webdav.util.DeltavConstants;
import org.apache.slide.webdav.util.UriHandler;
import org.apache.slide.webdav.util.VersioningHelper;
import org.apache.util.WebdavStatus;
/**
* MKCOL method.
*
* @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
*/
public class MkcolMethod
extends AbstractWebdavMethod
implements DeltavConstants {
// ----------------------------------------------------- Instance Variables
/**
* Collection name.
*/
protected String colName;
/**
* Constructor.
*
* @param token the token for accessing the namespace
* @param config configuration of the WebDAV servlet
*/
public MkcolMethod(NamespaceAccessToken token,
WebdavServletConfig config) {
super(token, config);
}
// ------------------------------------------------------ Protected Methods
/**
* Parse XML request.
*/
protected void parseRequest()
throws WebdavException {
if (req.getContentLength() > 0) {
int statusCode = WebdavStatus.SC_UNSUPPORTED_MEDIA_TYPE;
sendError( statusCode, getClass().getName()+".requestBodyMustBeEmpty" );
throw new WebdavException( statusCode );
}
colName = requestUri;
if (colName == null) {
colName = "/";
}
}
/**
* Execute request.
*
* @exception WebdavException Bad request
*/
protected void executeRequest() throws WebdavException, IOException {
// Prevent dirty reads
slideToken.setForceStoreEnlistment(true);
NodeRevisionDescriptor revisionDescriptor = null;
// check lock-null resources
boolean isLockNull = false;
try {
revisionDescriptor =
content.retrieve(slideToken, content.retrieve(slideToken, colName));
isLockNull = isLockNull( revisionDescriptor );
}
catch (ServiceAccessException e) {
int statusCode = getErrorCode((Exception)e);
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
catch (SlideException e) {
// ignore silently
}
if (revisionDescriptor == null) {
revisionDescriptor =
new NodeRevisionDescriptor(0);
}
// check destination URI
UriHandler destinationUriHandler = UriHandler.getUriHandler(colName);
if (destinationUriHandler.isRestrictedUri()) {
int statusCode = WebdavStatus.SC_FORBIDDEN;
sendError( statusCode, getClass().getName()+".restrictedDestinationUri", new Object[]{colName} );
throw new WebdavException( statusCode );
}
// Resource type
revisionDescriptor.setResourceType("<collection/>");
// Creation date
revisionDescriptor.setCreationDate(new Date());
// Last modification date
revisionDescriptor.setLastModified(new Date());
// Content length name
revisionDescriptor.setContentLength(0);
// Source
revisionDescriptor.setSource("");
// Owner
try {
String creator = ((SubjectNode)security.getPrincipal(slideToken)).getPath().lastSegment();
revisionDescriptor.setCreationUser(creator);
revisionDescriptor.setOwner(creator);
} catch (Exception e) {
int statusCode = getErrorCode( e );
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
// Added for DeltaV --start--
if( Configuration.useVersionControl() ) {
VersioningHelper vHelp = VersioningHelper.getVersioningHelper(
slideToken, token, req, resp, getConfig() );
// Workspace
vHelp.setWorkspaceProperty( colName, revisionDescriptor );
}
// Added for DeltaV --end--
if (isMsProprietarySupport()) {
NodeProperty property = null;
// Name
/*
property = new NodeProperty("name", colName, "ms", "MICROSOFT");
properties.setProperty(property);
*/
// ParentName
// TODO : Fix this
/*
property = new NodeProperty("parentname", colName, "ms",
"MICROSOFT");
properties.setProperty(property);
*/
// Href
/*
property = new NodeProperty("href", colName, "ms", "MICROSOFT");
properties.setProperty(property);
*/
// Is hidden
property = new NodeProperty("ishidden", "0", "MICROSOFT");
revisionDescriptor.setProperty(property);
// Is collection
property = new NodeProperty("iscollection", "1", "MICROSOFT");
revisionDescriptor.setProperty(property);
// Is read only
property = new NodeProperty("isreadonly", "0", "MICROSOFT");
revisionDescriptor.setProperty(property);
// Last accessed
property = new NodeProperty("lastaccessed",
(new Date()).toString(), "MICROSOFT");
revisionDescriptor.setProperty(property);
}
// If everything is ok : 201 - Created / OK
resp.setStatus(WebdavStatus.SC_CREATED);
try {
if (!isLockNull) {
SubjectNode collection = new SubjectNode();
structure.create(slideToken, collection, colName);
content.create(slideToken, colName, revisionDescriptor, null);
}
else {
content.store(slideToken, colName, revisionDescriptor, null);
}
} catch (Exception e) {
int statusCode = getErrorCode( e );
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
// 415 - Unsupported Media Type
// TODO : Has something to do with the body of the request ...
// WebDAV RFC is vague on the subject.
// 507 - Insufficient storage
// Would be returned as a ServiceAccessException, so it would
// return an Internal Server Error, which is probably acceptable.
// TODO : Initialize and create collection's properties.
}
/**
* Get return status based on exception type.
*/
protected int getErrorCode(Exception ex) {
try {
throw ex;
} catch (ObjectNotFoundException e) {
return WebdavStatus.SC_CONFLICT;
} catch (LinkedObjectNotFoundException e) {
return WebdavStatus.SC_NOT_FOUND;
} catch (ObjectAlreadyExistsException e) {
return WebdavStatus.SC_METHOD_NOT_ALLOWED;
} catch (Exception e) {
return super.getErrorCode(e);
}
}
/**
* Returns true
*/
protected boolean methodNeedsTransactionSupport() {
return true;
}
}