Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/webdav/UnlockMethod.java

@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.repo.webdav;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.alfresco.service.cmr.lock.LockService;
+import org.alfresco.service.cmr.lock.LockStatus;
+import org.alfresco.service.cmr.model.FileInfo;
+import org.alfresco.service.cmr.model.FileNotFoundException;
+
+/**
+ * Implements the WebDAV UNLOCK method
+ * 
+ * @author gavinc
+ */
+public class UnlockMethod extends WebDAVMethod
+{
+    private String m_strLockToken = null;
+
+    /**
+     * Default constructor
+     */
+    public UnlockMethod()
+    {
+    }
+
+    /**
+     * Return the lock token of an existing lock
+     * 
+     * @return String
+     */
+    protected final String getLockToken()
+    {
+        return m_strLockToken;
+    }
+
+    /**
+     * Parse the request headers
+     * 
+     * @exception WebDAVServerException
+     */
+    protected void parseRequestHeaders() throws WebDAVServerException
+    {
+        // Get the lock token, if any
+        String strLockTokenHeader = m_request.getHeader(WebDAV.HEADER_LOCK_TOKEN);
+
+        // DEBUG
+        if (logger.isDebugEnabled())
+            logger.debug("Parsing Lock-Token header: " + strLockTokenHeader);
+
+        // Validate the lock token
+        if (strLockTokenHeader != null && strLockTokenHeader.startsWith("<") && strLockTokenHeader.endsWith(">"))
+        {
+            try
+            {
+                m_strLockToken = strLockTokenHeader.substring(
+                        WebDAV.OPAQUE_LOCK_TOKEN.length() + 1,
+                        strLockTokenHeader.length() - 1);
+            }
+            catch (IndexOutOfBoundsException e)
+            {
+                logger.warn("Failed to parse If header: " + strLockTokenHeader);
+            }
+        }
+
+        // If there is no token this is a bad request so send an error back
+        if (m_strLockToken == null)
+        {
+            throw new WebDAVServerException(HttpServletResponse.SC_BAD_REQUEST);
+        }
+    }
+
+    /**
+     * Parse the request body
+     * 
+     * @exception WebDAVServerException
+     */
+    protected void parseRequestBody() throws WebDAVServerException
+    {
+        // Nothing to do in this method
+    }
+
+    /**
+     * Exceute the request
+     * 
+     * @exception WebDAVServerException
+     */
+    protected void executeImpl() throws WebDAVServerException
+    {
+        if (logger.isDebugEnabled())
+        {
+            logger.debug("Lock node; path=" + getPath() + ", token=" + getLockToken());
+        }
+
+        FileInfo lockNodeInfo = null;
+        try
+        {
+            lockNodeInfo = getDAVHelper().getNodeForPath(getRootNodeRef(), getPath(), getServletPath());
+        }
+        catch (FileNotFoundException e)
+        {
+            throw new WebDAVServerException(HttpServletResponse.SC_NOT_FOUND);
+        }
+
+        // Parse the lock token
+        String[] lockInfo = WebDAV.parseLockToken(getLockToken());
+        if (lockInfo == null)
+        {
+            // Bad lock token
+            throw new WebDAVServerException(HttpServletResponse.SC_PRECONDITION_FAILED);
+        }
+
+        // Get the lock status for the node
+        LockService lockService = getDAVHelper().getLockService();
+        // String nodeId = lockInfo[0];
+        // String userName = lockInfo[1];
+
+        LockStatus lockSts = lockService.getLockStatus(lockNodeInfo.getNodeRef());
+        if (lockSts == LockStatus.LOCK_OWNER)
+        {
+            // Unlock the node
+            lockService.unlock(lockNodeInfo.getNodeRef());
+
+            // Indicate that the unlock was successful
+            m_response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+
+            // DEBUG
+            if (logger.isDebugEnabled())
+            {
+                logger.debug("Unlock token=" + getLockToken() + " Successful");
+            }
+        }
+        else if (lockSts == LockStatus.NO_LOCK)
+        {
+            // DEBUG
+            if (logger.isDebugEnabled())
+                logger.debug("Unlock token=" + getLockToken() + " Not locked");
+
+            // Node is not locked
+            throw new WebDAVServerException(HttpServletResponse.SC_PRECONDITION_FAILED);
+        }
+        else if (lockSts == LockStatus.LOCKED)
+        {
+            // DEBUG
+            if (logger.isDebugEnabled())
+                logger.debug("Unlock token=" + getLockToken() + " Not lock owner");
+
+            // Node is locked but not by this user
+            throw new WebDAVServerException(HttpServletResponse.SC_PRECONDITION_FAILED);
+        }
+        else if (lockSts == LockStatus.LOCK_EXPIRED)
+        {
+            // DEBUG
+            if (logger.isDebugEnabled())
+                logger.debug("Unlock token=" + getLockToken() + " Lock expired");
+
+            // Return a success status
+            m_response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+        }
+    }
+}