com.thinkberg.webdav.UnlockHandler.java Source code

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Here is the source code for com.thinkberg.webdav.UnlockHandler.java

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/*
 * Copyright 2007 Matthias L. Jugel.
 *
 * 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.thinkberg.webdav;

import com.thinkberg.webdav.lock.LockManager;
import com.thinkberg.webdav.vfs.VFSBackend;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.vfs.FileObject;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author Matthias L. Jugel
 * @version $Id$
 */
public class UnlockHandler extends WebdavHandler {
    private static final Log LOG = LogFactory.getLog(UnlockHandler.class);

    public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
        FileObject object = VFSBackend.resolveFile(request.getPathInfo());
        String lockTokenHeader = request.getHeader("Lock-Token");
        String lockToken = lockTokenHeader.substring(1, lockTokenHeader.length() - 1);
        LOG.debug("UNLOCK(" + lockToken + ")");

        if (LockManager.getInstance().releaseLock(object, lockToken)) {
            response.setStatus(HttpServletResponse.SC_NO_CONTENT);
        } else {
            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        }
    }
}