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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.domain.manager.impl;
+
+import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.compositeQName;
+import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.compositeTitle;
+import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.contributionURI;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.data.collection.Entry;
+import org.apache.tuscany.sca.data.collection.Item;
+import org.apache.tuscany.sca.data.collection.ItemCollection;
+import org.apache.tuscany.sca.data.collection.LocalItemCollection;
+import org.apache.tuscany.sca.data.collection.NotFoundException;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Implementation of a component that returns composite configuration collections.
+ *
+ * @version $Rev$ $Date$
+ */
+@Scope("COMPOSITE")
+@Service(interfaces={ItemCollection.class, LocalItemCollection.class})
+public class CompositeConfigurationCollectionImpl implements ItemCollection, LocalItemCollection {
+
+ private static final Logger logger = Logger.getLogger(CompositeConfigurationCollectionImpl.class.getName());
+
+ @Reference
+ public LocalItemCollection contributionCollection;
+
+ @Reference
+ public LocalItemCollection cloudCollection;
+
+ /**
+ * Initialize the component.
+ */
+ @Init
+ public void initialize() {
+ }
+
+ public Entry<String, Item>[] getAll() {
+ throw new UnsupportedOperationException();
+ }
+
+ public Item get(String key) throws NotFoundException {
+ throw new UnsupportedOperationException();
+ }
+
+ public String post(String key, Item item) {
+ throw new UnsupportedOperationException();
+ }
+
+ public void put(String key, Item item) throws NotFoundException {
+ throw new UnsupportedOperationException();
+ }
+
+ public void delete(String key) throws NotFoundException {
+ throw new UnsupportedOperationException();
+ }
+
+ public Entry<String, Item>[] query(String queryString) {
+ logger.fine("query " + queryString);
+
+ if (queryString.startsWith("composite=")) {
+
+ // Expecting a key in the form:
+ // composite:contributionURI;namespace;localName
+ int e = queryString.indexOf('=');
+ String key = queryString.substring(e + 1);
+ String contributionURI = contributionURI(key);
+ QName qname = compositeQName(key);
+
+ // Return a collection containing the following entries:
+ // the resolved version of the specified composite
+ // the required contributions
+ List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>();
+
+ // Add the resolved composite entry
+ Entry<String, Item> compositeEntry = new Entry<String, Item>();
+ Item compositeItem = new Item();
+ compositeItem.setTitle(compositeTitle(contributionURI, qname));
+ compositeItem.setLink("/composite-resolved/" + key);
+ compositeEntry.setKey(key);
+ compositeEntry.setData(compositeItem);
+ entries.add(compositeEntry);
+
+ // Get the collection of required contributions
+ Entry<String, Item>[] contributionEntries = contributionCollection.query("alldependencies=" + contributionURI);
+ for (Entry<String, Item> entry: contributionEntries) {
+ Item item = entry.getData();
+ item.setContents(null);
+ entries.add(entry);
+ }
+
+ return entries.toArray(new Entry[entries.size()]);
+
+ } else {
+ throw new UnsupportedOperationException();
+ }
+ }
+
+}