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| | | /*
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| | | * Copyright 2013 gitblit.com.
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| | | *
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| | | * Licensed under the Apache License, Version 2.0 (the "License");
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| | | * you may not use this file except in compliance with the License.
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| | | * You may obtain a copy of the License at
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| | | *
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| | | * http://www.apache.org/licenses/LICENSE-2.0
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| | | *
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| | | * Unless required by applicable law or agreed to in writing, software
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| | | * distributed under the License is distributed on an "AS IS" BASIS,
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| | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| | | * See the License for the specific language governing permissions and
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| | | * limitations under the License.
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| | | */
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| | | package com.gitblit;
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| | |
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| | | import java.io.File;
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| | | import java.io.FileInputStream;
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| | | import java.io.IOException;
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| | | import java.io.InputStream;
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| | | import java.io.OutputStream;
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| | |
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| | | import javax.servlet.ServletContext;
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| | | import javax.servlet.ServletException;
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| | | import javax.servlet.http.HttpServlet;
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| | | import javax.servlet.http.HttpServletRequest;
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| | | import javax.servlet.http.HttpServletResponse;
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| | |
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| | | /**
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| | | * Handles requests for logo.png
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| | | * |
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| | | * @author James Moger
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| | | * |
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| | | */
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| | | public class LogoServlet extends HttpServlet {
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| | | |
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| | | private static final long serialVersionUID = 1L;
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| | | |
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| | | private static final long lastModified = System.currentTimeMillis();
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| | |
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| | | public LogoServlet() {
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| | | super();
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| | | }
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| | | |
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| | | @Override
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| | | protected long getLastModified(HttpServletRequest req) {
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| | | File file = GitBlit.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png");
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| | | if (file.exists()) {
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| | | return Math.max(lastModified, file.lastModified());
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| | | } else {
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| | | return lastModified;
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| | | }
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| | | }
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| | | |
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| | | @Override
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| | | protected void doGet(HttpServletRequest request, HttpServletResponse response)
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| | | throws ServletException, IOException {
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| | | InputStream is = null;
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| | | try {
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| | | String contentType = null;
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| | | File file = GitBlit.getFileOrFolder(Keys.web.headerLogo, "${baseFolder}/logo.png");
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| | | if (file.exists()) {
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| | | // custom logo
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| | | ServletContext context = request.getSession().getServletContext();
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| | | contentType = context.getMimeType(file.getName());
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| | | response.setContentLength((int) file.length());
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| | | response.setDateHeader("Last-Modified", Math.max(lastModified, file.lastModified()));
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| | | is = new FileInputStream(file);
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| | | } else {
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| | | // default logo
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| | | response.setDateHeader("Last-Modified", lastModified);
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| | | is = getClass().getResourceAsStream("/logo.png");
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| | | } |
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| | | if (contentType == null) {
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| | | contentType = "image/png";
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| | | }
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| | | response.setContentType(contentType);
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| | | response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate");
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| | | OutputStream os = response.getOutputStream();
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| | | byte[] buf = new byte[4096];
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| | | int bytesRead = is.read(buf);
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| | | while (bytesRead != -1) {
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| | | os.write(buf, 0, bytesRead);
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| | | bytesRead = is.read(buf);
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| | | }
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| | | os.flush();
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| | | } catch (Exception e) {
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| | | e.printStackTrace();
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| | | } finally {
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| | | if(is != null) {
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| | | is.close();
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| | | }
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| | | }
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| | | }
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| | | }
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