| commit | author | age | ||
| 177256 | 1 | /* |
| JM | 2 | * Copyright 2013 gitblit.com. |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package com.gitblit; | |
| 17 | ||
| 18 | import java.io.File; | |
| 19 | import java.io.FileInputStream; | |
| 20 | import java.io.IOException; | |
| 21 | import java.io.InputStream; | |
| 22 | import java.io.OutputStream; | |
| 23 | ||
| 24 | import javax.servlet.ServletContext; | |
| 25 | import javax.servlet.ServletException; | |
| 26 | import javax.servlet.http.HttpServlet; | |
| 27 | import javax.servlet.http.HttpServletRequest; | |
| 28 | import javax.servlet.http.HttpServletResponse; | |
| 29 | ||
| 30 | /** | |
| 31 | * Handles requests for logo.png | |
| 32 | * | |
| 33 | * @author James Moger | |
| 34 | * | |
| 35 | */ | |
| 36 | public class LogoServlet extends HttpServlet { | |
| 37 | ||
| 38 | private static final long serialVersionUID = 1L; | |
| 39 | ||
| 40 | private static final long lastModified = System.currentTimeMillis(); | |
| 41 | ||
| 42 | public LogoServlet() { | |
| 43 | super(); | |
| 44 | } | |
| 45 | ||
| 46 | @Override | |
| 47 | protected long getLastModified(HttpServletRequest req) { | |
| 48 | File file = GitBlit.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png"); | |
| 49 | if (file.exists()) { | |
| 61555b | 50 | return Math.max(lastModified, file.lastModified()); |
| 177256 | 51 | } else { |
| JM | 52 | return lastModified; |
| 53 | } | |
| 54 | } | |
| 55 | ||
| 56 | @Override | |
| 57 | protected void doGet(HttpServletRequest request, HttpServletResponse response) | |
| 58 | throws ServletException, IOException { | |
| 59 | InputStream is = null; | |
| 60 | try { | |
| 61 | String contentType = null; | |
| 62 | File file = GitBlit.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png"); | |
| 63 | if (file.exists()) { | |
| 64 | // custom logo | |
| 65 | ServletContext context = request.getSession().getServletContext(); | |
| 66 | contentType = context.getMimeType(file.getName()); | |
| 67 | response.setContentLength((int) file.length()); | |
| 61555b | 68 | response.setDateHeader("Last-Modified", Math.max(lastModified, file.lastModified())); |
| 177256 | 69 | is = new FileInputStream(file); |
| JM | 70 | } else { |
| 71 | // default logo | |
| 72 | response.setDateHeader("Last-Modified", lastModified); | |
| 73 | is = getClass().getResourceAsStream("/logo.png"); | |
| 74 | } | |
| 75 | if (contentType == null) { | |
| 76 | contentType = "image/png"; | |
| 77 | } | |
| 78 | response.setContentType(contentType); | |
| 79 | OutputStream os = response.getOutputStream(); | |
| 80 | byte[] buf = new byte[4096]; | |
| 81 | int bytesRead = is.read(buf); | |
| 82 | while (bytesRead != -1) { | |
| 83 | os.write(buf, 0, bytesRead); | |
| 84 | bytesRead = is.read(buf); | |
| 85 | } | |
| 86 | os.flush(); | |
| 87 | } catch (Exception e) { | |
| 88 | e.printStackTrace(); | |
| 89 | } finally { | |
| fbe265 | 90 | if(is != null) { |
| SH | 91 | is.close(); |
| 92 | } | |
| 177256 | 93 | } |
| JM | 94 | } |
| 95 | } | |
