/*
 * 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 java.util.List;

import javax.servlet.http.HttpServletResponse;

import org.alfresco.service.cmr.model.FileFolderService;
import org.alfresco.service.cmr.model.FileInfo;
import org.alfresco.service.cmr.model.FileNotFoundException;
import org.alfresco.service.cmr.repository.NodeRef;

/**
 * Implements the WebDAV DELETE method
 * 
 * @author gavinc
 */
public class DeleteMethod extends WebDAVMethod
{
    /**
     * Default constructor
     */
    public DeleteMethod()
    {
    }

    /**
     * Parse the request headers
     * 
     * @exception WebDAVServerException
     */
    protected void parseRequestHeaders() throws WebDAVServerException
    {
        // Nothing to do in this method
    }

    /**
     * Parse the request body
     * 
     * @exception WebDAVServerException
     */
    protected void parseRequestBody() throws WebDAVServerException
    {
        // Nothing to do in this method
    }

    /**
     * Execute the request
     * 
     * @exception WebDAVServerException
     */
    protected void executeImpl() throws WebDAVServerException, Exception
    {
        if (logger.isDebugEnabled())
        {
            logger.debug("WebDAV DELETE: " + getPath());
        }
        
        FileFolderService fileFolderService = getFileFolderService();

        NodeRef rootNodeRef = getRootNodeRef();

        String path = getPath();
        List<String> pathElements = getDAVHelper().splitAllPaths(path);
        FileInfo fileInfo = null;
        try
        {
            // get the node to delete
            fileInfo = fileFolderService.resolveNamePath(rootNodeRef, pathElements);
        }
        catch (FileNotFoundException e)
        {
            if (logger.isDebugEnabled())
            {
                logger.debug("Node not found: " + getPath());
            }
            throw new WebDAVServerException(HttpServletResponse.SC_NOT_FOUND);
        }
        // delete it
        fileFolderService.delete(fileInfo.getNodeRef());
    }
}