com.sun.syndication.feed.synd.impl.ConverterForRSS092 Maven / Gradle / Ivy

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/*
 * Copyright 2004 Sun Microsystems, Inc.
 *
 * 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.sun.syndication.feed.synd.impl;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import com.sun.syndication.feed.rss.Category;
import com.sun.syndication.feed.rss.Enclosure;
import com.sun.syndication.feed.rss.Item;
import com.sun.syndication.feed.synd.SyndCategory;
import com.sun.syndication.feed.synd.SyndCategoryImpl;
import com.sun.syndication.feed.synd.SyndEnclosure;
import com.sun.syndication.feed.synd.SyndEnclosureImpl;
import com.sun.syndication.feed.synd.SyndEntry;

/**
 */
public class ConverterForRSS092 extends ConverterForRSS091Userland {

    public ConverterForRSS092() {
        this("rss_0.92");
    }

    protected ConverterForRSS092(String type) {
        super(type);
    }

    @Override
    protected SyndEntry createSyndEntry(Item item, boolean preserveWireItem) {
        SyndEntry syndEntry = super.createSyndEntry(item, preserveWireItem);
        List cats =  item.getCategories();
        if (cats.size()>0) {
            Set s = new LinkedHashSet();                // using a set to remove duplicates and use a LinkedHashSet to try to retain the document order
            s.addAll(createSyndCategories(cats)); // feed native categories (as syndcat)
            s.addAll(syndEntry.getCategories());   // DC subjects (as syndcat)
            syndEntry.setCategories(new ArrayList(s));    //c
        }
        List enclosures = item.getEnclosures();
        if (enclosures.size()>0) {
            syndEntry.setEnclosures(createSyndEnclosures(enclosures));
        }
        return syndEntry;
    }

    protected List createSyndCategories(List rssCats) {
        List syndCats = new ArrayList();
        for (int i=0;i0) {
            item.setCategories(createRSSCategories(sCats));
        }
        List sEnclosures = sEntry.getEnclosures();
        if (sEnclosures.size()>0) {
            item.setEnclosures(createEnclosures(sEnclosures));
        }
        return item;
    }

    protected List createRSSCategories(List sCats) {
        List cats = new ArrayList();
        for (int i=0;i