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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.sca.binding.atom.aggregator;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.data.collection.Collection;
import org.apache.tuscany.sca.data.collection.Entry;
import org.apache.tuscany.sca.data.collection.Item;
import org.apache.tuscany.sca.data.collection.NotFoundException;
import org.oasisopen.sca.annotation.Property;
import org.oasisopen.sca.annotation.Reference;
/**
* Aggregator impl
*
* @version $Rev$ $Date$
*/
public class AggregatorImpl implements Aggregator {
@Reference(required = false)
public Collection<String, Item> atomFeed1;
@Reference(required = false)
public Collection<String, Item> atomFeed2;
@Reference(required = false)
public Sort sort;
@Property
public String feedTitle = "Aggregated Feed";
@Property
public String feedDescription = "Anonymous Aggregated Feed";
@Property
public String feedAuthor = "anonymous";
public Item get(String id) {
try {
if (atomFeed1.get(id) != null)
return atomFeed1.get(id);
} catch (NotFoundException ex) {
ex.printStackTrace();
}
try {
if (atomFeed2.get(id) != null)
return atomFeed2.get(id);
} catch (NotFoundException ex) {
ex.printStackTrace();
}
return null;
}
@SuppressWarnings("unchecked")
public Entry<String, Item>[] getAll() {
// Aggregate entries from atomFeed1, atomFeed2, rssFeed1 and rssFeed2
List<Entry> entries = new ArrayList<Entry>();
if (atomFeed1 != null) {
try {
for (Entry entry : atomFeed1.getAll()) {
entries.add(entry);
}
} catch (Exception e) {
e.printStackTrace();
}
}
if (atomFeed2 != null) {
try {
for (Entry entry : atomFeed2.getAll()) {
entries.add(entry);
}
} catch (Exception e) {
}
}
// Sort entries by published date
if (sort != null) {
entries = sort.sort(entries);
}
return entries.toArray(new Entry[entries.size()]);
}
public String post(String key, Item entry) {
return null;
}
public void put(String id, Item entry) {
}
@SuppressWarnings("unchecked")
public Entry<String, Item>[] query(String queryString) {
ArrayList<Entry> entries = new ArrayList<Entry>();
Entry<String, Item>[] allFeed = getAll();
if (queryString.startsWith("title=")) {
String title = queryString.substring(6);
for (Entry<String, Item> entry : allFeed) {
if (entry.getData().getTitle().contains(title)) {
entries.add(entry);
}
}
}
return entries.toArray(new Entry[entries.size()]);
}
public void delete(String id) {
}
}
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