Java tutorial
/* * Copyright 2003 - 2010 The eFaps Team * 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. * * Revision: $Rev$ * Last Changed: $Date$ * Last Changed By: $Author$ */ package org.efaps.webdav4vfs.handler; import java.io.IOException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.commons.vfs.FileObject; import org.efaps.webdav4vfs.lock.LockManager; import org.efaps.webdav4vfs.vfs.VFSBackend; /** * @author Matthias L. Jugel * @version $Id$ */ public class UnlockHandler extends AbstractWebdavHandler { private static final Log LOG = LogFactory.getLog(UnlockHandler.class); @Override 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); } } }