/*
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* Copyright 2011 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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import java.util.List;
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import javax.servlet.http.HttpServlet;
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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 org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.models.RepositoryModel;
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import com.gitblit.utils.JGitUtils;
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import com.gitblit.utils.StringUtils;
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import com.gitblit.utils.SyndicationUtils;
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public class SyndicationServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private transient Logger logger = LoggerFactory.getLogger(SyndicationServlet.class);
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public static String asLink(String baseURL, String repository, String objectId, int length) {
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if (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.SYNDICATION_SERVLET_PATH + "?r=" + repository
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+ (objectId == null ? "" : ("&h=" + objectId)) + (length > 0 ? "&l=" + length : "");
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}
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private void processRequest(javax.servlet.http.HttpServletRequest request,
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javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
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java.io.IOException {
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String hostUrl = request.getRequestURL().toString();
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String servlet = request.getServletPath();
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hostUrl = hostUrl.substring(0, hostUrl.indexOf(servlet));
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String repositoryName = request.getParameter("r");
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String objectId = request.getParameter("h");
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String l = request.getParameter("l");
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int length = GitBlit.getInteger(Keys.web.syndicationEntries, 25);
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if (StringUtils.isEmpty(objectId)) {
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objectId = org.eclipse.jgit.lib.Constants.HEAD;
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}
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if (!StringUtils.isEmpty(l)) {
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try {
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length = Integer.parseInt(l);
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} catch (NumberFormatException x) {
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}
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}
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// TODO confirm repository is accessible!!
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Repository repository = GitBlit.self().getRepository(repositoryName);
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RepositoryModel model = GitBlit.self().getRepositoryModel(repositoryName);
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List<RevCommit> commits = JGitUtils.getRevLog(repository, objectId, 0, length);
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try {
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SyndicationUtils.toRSS(hostUrl, model.name + " " + objectId, model.description, model.name, commits, response.getOutputStream());
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} catch (Exception e) {
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logger.error("An error occurred during feed generation", e);
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}
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}
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@Override
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protected void doPost(javax.servlet.http.HttpServletRequest request,
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javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
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java.io.IOException {
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processRequest(request, response);
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}
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@Override
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protected void doGet(javax.servlet.http.HttpServletRequest request,
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javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
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java.io.IOException {
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processRequest(request, response);
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}
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}
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