org.primefaces.component.feedreader.FeedInput Maven / Gradle / Ivy

/**
 * The MIT License
 *
 * Copyright (c) 2009-2019 PrimeTek
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.primefaces.component.feedreader;

import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import com.rometools.rome.feed.synd.SyndFeed;
import com.rometools.rome.io.SyndFeedInput;
import com.rometools.rome.io.XmlReader;

public class FeedInput {

    public List parse(String url, int size) throws Exception {
        List entries = new ArrayList();
        URL feedSource = new URL(url);
        SyndFeedInput input = new SyndFeedInput();
        SyndFeed feed = input.build(new XmlReader(feedSource));
        int i = 0;

        for (Object f : feed.getEntries()) {
            if (i == size) {
                break;
            }

            entries.add(f);
            i++;
        }

        return entries;
    }
}