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