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