| /* |
| * 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.osoa.sca.annotations.Property; |
| import org.osoa.sca.annotations.Reference; |
| |
| 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; |
| |
| } |
| |
| 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) { |
| } |
| |
| 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) { |
| |
| } |
| } |