/*
|
* 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.InputStream;
|
import java.io.OutputStream;
|
import java.io.OutputStreamWriter;
|
import java.net.URLConnection;
|
import java.text.MessageFormat;
|
import java.util.ArrayList;
|
import java.util.List;
|
|
import com.gitblit.Constants;
|
import com.gitblit.GitBlitException;
|
import com.gitblit.models.SyndicatedEntryModel;
|
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.SyndFeedInput;
|
import com.sun.syndication.io.SyndFeedOutput;
|
import com.sun.syndication.io.XmlReader;
|
|
/**
|
* Utility class for RSS feeds.
|
*
|
* @author James Moger
|
*
|
*/
|
public class SyndicationUtils {
|
|
/**
|
* Outputs an RSS feed of the list of entries to the outputstream.
|
*
|
* @param hostUrl
|
* @param title
|
* @param description
|
* @param repository
|
* @param entryModels
|
* @param os
|
* @throws IOException
|
* @throws FeedException
|
*/
|
public static void toRSS(String hostUrl, String title, String description, String repository,
|
List<SyndicatedEntryModel> entryModels, OutputStream os) throws IOException,
|
FeedException {
|
|
SyndFeed feed = new SyndFeedImpl();
|
feed.setFeedType("rss_2.0");
|
feed.setEncoding("UTF-8");
|
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 (SyndicatedEntryModel entryModel : entryModels) {
|
SyndEntry entry = new SyndEntryImpl();
|
entry.setTitle(entryModel.title);
|
entry.setAuthor(entryModel.author);
|
entry.setLink(entryModel.link);
|
entry.setPublishedDate(entryModel.published);
|
|
SyndContent content = new SyndContentImpl();
|
content.setType(entryModel.contentType);
|
content.setValue(entryModel.content);
|
entry.setDescription(content);
|
entries.add(entry);
|
}
|
feed.setEntries(entries);
|
|
OutputStreamWriter writer = new OutputStreamWriter(os, "UTF-8");
|
SyndFeedOutput output = new SyndFeedOutput();
|
output.output(feed, writer);
|
writer.close();
|
}
|
|
/**
|
* Reads a Gitblit RSS feed.
|
*
|
* @param url
|
* the url of the Gitblit server
|
* @param repository
|
* the repository name
|
* @param branch
|
* the branch name (optional)
|
* @param numberOfEntries
|
* the number of entries to retrieve. if <= 0 the server default
|
* is used.
|
* @param username
|
* @param password
|
* @return a list of SyndicationModel entries
|
* @throws {@link IOException}
|
*/
|
public static List<SyndicatedEntryModel> readFeed(String url, String repository, String branch,
|
int numberOfEntries, String username, char[] password) throws IOException {
|
// build feed url
|
List<String> parameters = new ArrayList<String>();
|
if (numberOfEntries > 0) {
|
parameters.add("l=" + numberOfEntries);
|
}
|
if (!StringUtils.isEmpty(branch)) {
|
parameters.add("h=" + branch);
|
}
|
StringBuilder sb = new StringBuilder();
|
sb.append(MessageFormat.format("{0}/feed/{1}", url, repository));
|
if (parameters.size() > 0) {
|
boolean first = true;
|
for (String parameter : parameters) {
|
if (first) {
|
sb.append('?');
|
first = false;
|
} else {
|
sb.append('&');
|
}
|
sb.append(parameter);
|
}
|
}
|
String feedUrl = sb.toString();
|
|
URLConnection conn = ConnectionUtils.openReadConnection(feedUrl, username, password);
|
InputStream is = conn.getInputStream();
|
SyndFeedInput input = new SyndFeedInput();
|
SyndFeed feed = null;
|
try {
|
feed = input.build(new XmlReader(is));
|
} catch (FeedException f) {
|
throw new GitBlitException(f);
|
}
|
is.close();
|
List<SyndicatedEntryModel> entries = new ArrayList<SyndicatedEntryModel>();
|
for (Object o : feed.getEntries()) {
|
SyndEntryImpl entry = (SyndEntryImpl) o;
|
SyndicatedEntryModel model = new SyndicatedEntryModel();
|
model.repository = repository;
|
model.branch = branch;
|
model.title = entry.getTitle();
|
model.author = entry.getAuthor();
|
model.published = entry.getPublishedDate();
|
model.link = entry.getLink();
|
model.content = entry.getDescription().getValue();
|
model.contentType = entry.getDescription().getType();
|
entries.add(model);
|
}
|
return entries;
|
}
|
}
|
