/*
* Copyright (c) 2010 Lockheed Martin Corporation
*
* 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 org.eurekastreams.server.service.actions.strategies.activity.plugins.rome;
import java.io.IOException;
import java.util.Map;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.eurekastreams.server.service.utility.http.HttpDocumentFetcher;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.io.FeedException;
import com.sun.syndication.io.SyndFeedInput;
/**
* Fetches a feed (for use by the stream plugin framework).
*/
public class BasicFeedFetcher implements FeedFetcher
{
/** Fetches the contents of a URL as an XML document. */
private HttpDocumentFetcher documentFetcher;
/**
* Constructor.
*
* @param inDocumentFetcher
* Fetches the contents of a URL as an XML document.
*/
public BasicFeedFetcher(final HttpDocumentFetcher inDocumentFetcher)
{
documentFetcher = inDocumentFetcher;
}
/**
* {@inheritDoc}
*/
public SyndFeed fetchFeed(final String inFeedUrl, final Map<String, String> inHttpHeaders,
final String inProxyHost, final String inProxyPort, final int inTimeout) throws IOException,
ParserConfigurationException, FeedException, SAXException
{
DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
domFactory.setNamespaceAware(true);
Document doc =
documentFetcher.fetchDocument(inFeedUrl, inHttpHeaders, inProxyHost, inProxyPort, inTimeout,
domFactory);
SyndFeedInput input = new SyndFeedInput();
return input.build(doc);
}
}