/*
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* Copyright 2012 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.servlet;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Date;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevCommit;
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import com.gitblit.Constants;
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import com.gitblit.manager.IRepositoryManager;
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import com.gitblit.manager.IRuntimeManager;
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import com.gitblit.utils.JGitUtils;
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import com.google.inject.Inject;
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import com.google.inject.Singleton;
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/**
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* Serves the content of a gh-pages branch.
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*
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* @author James Moger
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*
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*/
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@Singleton
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public class PagesServlet extends RawServlet {
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private static final long serialVersionUID = 1L;
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/**
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* Returns an url to this servlet for the specified parameters.
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*
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* @param baseURL
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* @param repository
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* @param path
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* @return an url
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*/
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public static String asLink(String baseURL, String repository, String path) {
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if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') {
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baseURL = baseURL.substring(0, baseURL.length() - 1);
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}
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return baseURL + Constants.PAGES + repository + "/" + (path == null ? "" : ("/" + path));
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}
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@Inject
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public PagesServlet(
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IRuntimeManager runtimeManager,
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IRepositoryManager repositoryManager) {
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super(runtimeManager, repositoryManager);
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}
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@Override
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protected String getBranch(String repository, HttpServletRequest request) {
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return "gh-pages";
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}
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@Override
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protected String getPath(String repository, String branch, HttpServletRequest request) {
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String pi = request.getPathInfo().substring(1);
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if (pi.equals(repository)) {
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return "";
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}
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String path = pi.substring(pi.indexOf(repository) + repository.length() + 1);
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if (path.endsWith("/")) {
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path = path.substring(0, path.length() - 1);
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}
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return path;
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}
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@Override
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protected boolean renderIndex() {
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return true;
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}
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@Override
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protected void setContentType(HttpServletResponse response, String contentType) {
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response.setContentType(contentType);;
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}
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@Override
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protected boolean streamFromRepo(HttpServletRequest request, HttpServletResponse response, Repository repository,
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RevCommit commit, String requestedPath) throws IOException {
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response.setDateHeader("Last-Modified", JGitUtils.getCommitDate(commit).getTime());
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response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate");
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return super.streamFromRepo(request, response, repository, commit, requestedPath);
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}
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@Override
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protected void sendContent(HttpServletResponse response, Date date, InputStream is) throws ServletException, IOException {
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response.setDateHeader("Last-Modified", date.getTime());
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response.setHeader("Cache-Control", "public, max-age=3600, must-revalidate");
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super.sendContent(response, date, is);
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}
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}
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