| 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 | */ | |
| 7bf6e1 | 16 | package com.gitblit.servlet; |
| 177256 | 17 | |
| JM | 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 | ||
| cdb2fe | 24 | import com.google.inject.Inject; |
| JM | 25 | import com.google.inject.Singleton; |
| 177256 | 26 | import javax.servlet.ServletContext; |
| JM | 27 | import javax.servlet.ServletException; |
| 1b34b0 | 28 | import javax.servlet.http.HttpServlet; |
| 177256 | 29 | import javax.servlet.http.HttpServletRequest; |
| JM | 30 | import javax.servlet.http.HttpServletResponse; |
| 31 | ||
| 7bf6e1 | 32 | import com.gitblit.Keys; |
| db4f6b | 33 | import com.gitblit.manager.IRuntimeManager; |
| JM | 34 | |
| 177256 | 35 | /** |
| JM | 36 | * Handles requests for logo.png |
| 699e71 | 37 | * |
| 177256 | 38 | * @author James Moger |
| 699e71 | 39 | * |
| 177256 | 40 | */ |
| 1b34b0 | 41 | @Singleton |
| JM | 42 | public class LogoServlet extends HttpServlet { |
| 699e71 | 43 | |
| 177256 | 44 | private static final long serialVersionUID = 1L; |
| 699e71 | 45 | |
| 177256 | 46 | private static final long lastModified = System.currentTimeMillis(); |
| JM | 47 | |
| 65d5bb | 48 | private IRuntimeManager runtimeManager; |
| cacf8b | 49 | |
| 1b34b0 | 50 | @Inject |
| JM | 51 | public LogoServlet(IRuntimeManager runtimeManager) { |
| 52 | this.runtimeManager = runtimeManager; | |
| 177256 | 53 | } |
| 699e71 | 54 | |
| 177256 | 55 | @Override |
| JM | 56 | protected long getLastModified(HttpServletRequest req) { |
| db4f6b | 57 | File file = runtimeManager.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png"); |
| 177256 | 58 | if (file.exists()) { |
| 61555b | 59 | return Math.max(lastModified, file.lastModified()); |
| 177256 | 60 | } else { |
| JM | 61 | return lastModified; |
| 62 | } | |
| 63 | } | |
| 699e71 | 64 | |
| 177256 | 65 | @Override |
| JM | 66 | protected void doGet(HttpServletRequest request, HttpServletResponse response) |
| 67 | throws ServletException, IOException { | |
| 68 | InputStream is = null; | |
| 69 | try { | |
| 70 | String contentType = null; | |
| db4f6b | 71 | File file = runtimeManager.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png"); |
| 177256 | 72 | if (file.exists()) { |
| JM | 73 | // custom logo |
| 74 | ServletContext context = request.getSession().getServletContext(); | |
| 75 | contentType = context.getMimeType(file.getName()); | |
| 76 | response.setContentLength((int) file.length()); | |
| 61555b | 77 | response.setDateHeader("Last-Modified", Math.max(lastModified, file.lastModified())); |
| 177256 | 78 | is = new FileInputStream(file); |
| JM | 79 | } else { |
| 80 | // default logo | |
| 81 | response.setDateHeader("Last-Modified", lastModified); | |
| 82 | is = getClass().getResourceAsStream("/logo.png"); | |
| 699e71 | 83 | } |
| 177256 | 84 | if (contentType == null) { |
| JM | 85 | contentType = "image/png"; |
| 86 | } | |
| 87 | response.setContentType(contentType); | |
| a7db57 | 88 | response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate"); |
| 177256 | 89 | OutputStream os = response.getOutputStream(); |
| JM | 90 | byte[] buf = new byte[4096]; |
| 91 | int bytesRead = is.read(buf); | |
| 92 | while (bytesRead != -1) { | |
| 93 | os.write(buf, 0, bytesRead); | |
| 94 | bytesRead = is.read(buf); | |
| 95 | } | |
| 96 | os.flush(); | |
| 97 | } catch (Exception e) { | |
| 98 | e.printStackTrace(); | |
| 99 | } finally { | |
| db4f6b | 100 | if (is != null) { |
| fbe265 | 101 | is.close(); |
| SH | 102 | } |
| 177256 | 103 | } |
| JM | 104 | } |
| 105 | } | |
