From f66e89662c091e082bd1d2feb6ac91513ccff273 Mon Sep 17 00:00:00 2001 From: Rafael Cavazin <rafaelcavazin@gmail.com> Date: Sun, 21 Jul 2013 09:59:00 -0400 Subject: [PATCH] Merge branch 'master' of https://github.com/gitblit/gitblit --- src/main/java/com/gitblit/LogoServlet.java | 96 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 96 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/gitblit/LogoServlet.java b/src/main/java/com/gitblit/LogoServlet.java new file mode 100644 index 0000000..823e464 --- /dev/null +++ b/src/main/java/com/gitblit/LogoServlet.java @@ -0,0 +1,96 @@ +/* + * Copyright 2013 gitblit.com. + * + * 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.gitblit; + +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +/** + * Handles requests for logo.png + * + * @author James Moger + * + */ +public class LogoServlet extends HttpServlet { + + private static final long serialVersionUID = 1L; + + private static final long lastModified = System.currentTimeMillis(); + + public LogoServlet() { + super(); + } + + @Override + protected long getLastModified(HttpServletRequest req) { + File file = GitBlit.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png"); + if (file.exists()) { + return Math.max(lastModified, file.lastModified()); + } else { + return lastModified; + } + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + InputStream is = null; + try { + String contentType = null; + File file = GitBlit.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png"); + if (file.exists()) { + // custom logo + ServletContext context = request.getSession().getServletContext(); + contentType = context.getMimeType(file.getName()); + response.setContentLength((int) file.length()); + response.setDateHeader("Last-Modified", Math.max(lastModified, file.lastModified())); + is = new FileInputStream(file); + } else { + // default logo + response.setDateHeader("Last-Modified", lastModified); + is = getClass().getResourceAsStream("/logo.png"); + } + if (contentType == null) { + contentType = "image/png"; + } + response.setContentType(contentType); + response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate"); + OutputStream os = response.getOutputStream(); + byte[] buf = new byte[4096]; + int bytesRead = is.read(buf); + while (bytesRead != -1) { + os.write(buf, 0, bytesRead); + bytesRead = is.read(buf); + } + os.flush(); + } catch (Exception e) { + e.printStackTrace(); + } finally { + if(is != null) { + is.close(); + } + } + } +} -- Gitblit v1.9.1