Package com.adito.vfs.webdav.methods

Source Code of com.adito.vfs.webdav.methods.DELETE

/* ========================================================================== *
* Copyright (C) 2004-2005 Pier Fumagalli <http://www.betaversion.org/~pier/> *
*                            All rights reserved.                            *
* ========================================================================== *
*                                                                            *
* 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 com.adito.vfs.webdav.methods;

import java.io.IOException;

import org.apache.commons.vfs.FileSystemException;

import com.adito.vfs.VFSLockManager;
import com.adito.vfs.VFSResource;
import com.adito.vfs.webdav.DAVMethod;
import com.adito.vfs.webdav.DAVMultiStatus;
import com.adito.vfs.webdav.DAVTransaction;
import com.adito.vfs.webdav.LockedException;

/**
* <a href="http://www.rfc-editor.org/rfc/rfc2518.txt">WebDAV</a>
* <code>DELETE</code> method implementation.
*
* @author <a href="http://www.betaversion.org/~pier/">Pier Fumagalli</a>
*/
public class DELETE implements DAVMethod {

    /**
     * <p>
     * Create a new {@link DELETE} instance.
     * </p>
     */
    public DELETE() {
        super();
    }

    /**
     * <p>
     * Process the <code>DELETE</code> method.
     * </p>
     */
    public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {
     
      String handle = VFSLockManager.getNewHandle();
      VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), true, true, handle);
     
        try {
            try {
                resource.delete();
                transaction.setStatus(204);
                resource.getMount().resourceDelete(resource, transaction, null);
            } catch (FileSystemException ex) {
                transaction.setStatus(423);
                DAVMultiStatus s = new DAVMultiStatus();
                throw s;
            }
        } catch (DAVMultiStatus multistatus) {
            multistatus.write(transaction);
            resource.getMount().resourceDelete(resource, transaction, multistatus);
        } finally {
          VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
        }
    }
}
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