| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.qpid.server.management.plugin.servlet; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletOutputStream; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| public class FileServlet extends HttpServlet |
| { |
| public static final FileServlet INSTANCE = new FileServlet(); |
| |
| private static final Map<String, String> CONTENT_TYPES; |
| |
| static |
| { |
| |
| Map<String, String> contentTypes = new HashMap<String, String>(); |
| contentTypes.put("js", "application/javascript"); |
| contentTypes.put("html", "text/html"); |
| contentTypes.put("css", "text/css"); |
| contentTypes.put("json", "application/json"); |
| contentTypes.put("jpg", "image/jpg"); |
| contentTypes.put("png", "image/png"); |
| contentTypes.put("gif", "image/gif"); |
| CONTENT_TYPES = Collections.unmodifiableMap(contentTypes); |
| } |
| |
| |
| public FileServlet() |
| { |
| } |
| |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException |
| { |
| String filename = request.getServletPath(); |
| if(filename.contains(".")) |
| { |
| String suffix = filename.substring(filename.lastIndexOf('.')+1); |
| String contentType = CONTENT_TYPES.get(suffix); |
| if(contentType != null) |
| { |
| response.setContentType(contentType); |
| } |
| } |
| URL resourceURL = getClass().getResource("/resources" + filename); |
| if(resourceURL != null) |
| { |
| response.setStatus(HttpServletResponse.SC_OK); |
| InputStream fileInput = resourceURL.openStream(); |
| try |
| { |
| byte[] buffer = new byte[1024]; |
| int read = 0; |
| ServletOutputStream output = response.getOutputStream(); |
| try |
| { |
| while((read = fileInput.read(buffer)) != -1) |
| { |
| output.write(buffer, 0, read); |
| } |
| } |
| finally |
| { |
| output.close(); |
| } |
| } |
| finally |
| { |
| fileInput.close(); |
| } |
| } |
| else |
| { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND, "unknown file: "+ filename); |
| } |
| |
| } |
| |
| } |