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/*
* Copyright 2011 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.utils;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.revwalk.RevCommit;
import com.gitblit.Constants;
import com.sun.syndication.feed.synd.SyndContent;
import com.sun.syndication.feed.synd.SyndContentImpl;
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndEntryImpl;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.feed.synd.SyndFeedImpl;
import com.sun.syndication.feed.synd.SyndImageImpl;
import com.sun.syndication.io.FeedException;
import com.sun.syndication.io.SyndFeedOutput;
/**
* Utility class for RSS feeds.
*
* @author James Moger
*
*/
public class SyndicationUtils {
/**
* Outputs an RSS feed of the list of commits to the outputstream.
*
* @param hostUrl
* @param title
* @param description
* @param repository
* @param commits
* @param os
* @throws IOException
* @throws FeedException
*/
public static void toRSS(String hostUrl, String title, String description, String repository,
List<RevCommit> commits, OutputStream os) throws IOException, FeedException {
SyndFeed feed = new SyndFeedImpl();
feed.setFeedType("rss_2.0");
feed.setTitle(title);
feed.setLink(MessageFormat.format("{0}/summary/{1}", hostUrl,
StringUtils.encodeURL(repository)));
feed.setDescription(description);
SyndImageImpl image = new SyndImageImpl();
image.setTitle(Constants.NAME);
image.setUrl(hostUrl + "/gitblt_25.png");
image.setLink(hostUrl);
feed.setImage(image);
List<SyndEntry> entries = new ArrayList<SyndEntry>();
for (RevCommit commit : commits) {
SyndEntry entry = new SyndEntryImpl();
entry.setTitle(commit.getShortMessage());
entry.setAuthor(commit.getAuthorIdent().getName());
entry.setLink(MessageFormat.format("{0}/commit/{1}/{2}", hostUrl,
StringUtils.encodeURL(repository), commit.getName()));
entry.setPublishedDate(commit.getCommitterIdent().getWhen());
SyndContent content = new SyndContentImpl();
content.setType("text/html");
String html = StringUtils.escapeForHtml(commit.getFullMessage(), false);
content.setValue(StringUtils.breakLinesForHtml(html));
entry.setDescription(content);
entries.add(entry);
}
feed.setEntries(entries);
OutputStreamWriter writer = new OutputStreamWriter(os);
SyndFeedOutput output = new SyndFeedOutput();
output.output(feed, writer);
writer.close();
}
}
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