Java tutorial
/* * 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.moxo.dav; import org.apache.commons.vfs.FileContent; import org.apache.commons.vfs.FileObject; import org.apache.commons.vfs.FileSystemException; import org.apache.commons.vfs.FileType; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; /** * @author Matthias L. Jugel * @version $Id$ */ public class GetHandler extends WebdavHandler { public void service(HttpServletRequest request, HttpServletResponse response) throws IOException { FileObject object = getResourceManager().getFileObject(request.getPathInfo()); if (object.exists()) { if (FileType.FOLDER.equals(object.getType())) { response.sendError(HttpServletResponse.SC_FORBIDDEN); return; } setHeader(response, object.getContent()); InputStream is = object.getContent().getInputStream(); OutputStream os = response.getOutputStream(); Util.copyStream(is, os); is.close(); } else { response.sendError(HttpServletResponse.SC_NOT_FOUND); } } void setHeader(HttpServletResponse response, FileContent content) throws FileSystemException { response.setHeader("Last-Modified", Util.getDateString(content.getLastModifiedTime())); response.setHeader("Content-Type", content.getContentInfo().getContentType()); } }