/*
* 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.rometools.rome.feed.synd.impl;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import com.rometools.rome.feed.rss.Category;
import com.rometools.rome.feed.rss.Enclosure;
import com.rometools.rome.feed.rss.Item;
import com.rometools.rome.feed.synd.SyndCategory;
import com.rometools.rome.feed.synd.SyndCategoryImpl;
import com.rometools.rome.feed.synd.SyndEnclosure;
import com.rometools.rome.feed.synd.SyndEnclosureImpl;
import com.rometools.rome.feed.synd.SyndEntry;
/**
*/
public class ConverterForRSS092 extends ConverterForRSS091Userland {
public ConverterForRSS092() {
this("rss_0.92");
}
protected ConverterForRSS092(final String type) {
super(type);
}
@Override
protected SyndEntry createSyndEntry(final Item item, final boolean preserveWireItem) {
final SyndEntry syndEntry = super.createSyndEntry(item, preserveWireItem);
final List<Category> cats = item.getCategories();
if (!cats.isEmpty()) {
// using a set to remove duplicates and use a LinkedHashSet to try to retain the
// document order
final Set<SyndCategory> s = new LinkedHashSet<SyndCategory>();
// feed native categories (as syndcat)
s.addAll(createSyndCategories(cats));
// DC subjects (as syndcat)
s.addAll(syndEntry.getCategories());
syndEntry.setCategories(new ArrayList<SyndCategory>(s)); // c
}
final List<Enclosure> enclosures = item.getEnclosures();
if (!enclosures.isEmpty()) {
syndEntry.setEnclosures(createSyndEnclosures(enclosures));
}
return syndEntry;
}
protected List<SyndCategory> createSyndCategories(final List<Category> rssCats) {
final List<SyndCategory> syndCats = new ArrayList<SyndCategory>();
for (final Category rssCat : rssCats) {
final SyndCategory sCat = new SyndCategoryImpl();
sCat.setTaxonomyUri(rssCat.getDomain());
sCat.setName(rssCat.getValue());
syndCats.add(sCat);
}
return syndCats;
}
protected List<SyndEnclosure> createSyndEnclosures(final List<Enclosure> enclosures) {
final List<SyndEnclosure> sEnclosures = new ArrayList<SyndEnclosure>();
for (final Enclosure enc : enclosures) {
final SyndEnclosure sEnc = new SyndEnclosureImpl();
sEnc.setUrl(enc.getUrl());
sEnc.setType(enc.getType());
sEnc.setLength(enc.getLength());
sEnclosures.add(sEnc);
}
return sEnclosures;
}
@Override
protected Item createRSSItem(final SyndEntry sEntry) {
final Item item = super.createRSSItem(sEntry);
final List<SyndCategory> sCats = sEntry.getCategories(); // c
if (!sCats.isEmpty()) {
item.setCategories(createRSSCategories(sCats));
}
final List<SyndEnclosure> sEnclosures = sEntry.getEnclosures();
if (!sEnclosures.isEmpty()) {
item.setEnclosures(createEnclosures(sEnclosures));
}
return item;
}
protected List<Category> createRSSCategories(final List<SyndCategory> sCats) {
final List<Category> cats = new ArrayList<Category>();
for (final SyndCategory sCat : sCats) {
final Category cat = new Category();
cat.setDomain(sCat.getTaxonomyUri());
cat.setValue(sCat.getName());
cats.add(cat);
}
return cats;
}
protected List<Enclosure> createEnclosures(final List<SyndEnclosure> sEnclosures) {
final List<Enclosure> enclosures = new ArrayList<Enclosure>();
for (final SyndEnclosure sEnc : sEnclosures) {
final Enclosure enc = new Enclosure();
enc.setUrl(sEnc.getUrl());
enc.setType(sEnc.getType());
enc.setLength(sEnc.getLength());
enclosures.add(enc);
}
return enclosures;
}
}