| /* |
| * 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.felix.ipojo.composite; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.felix.ipojo.Factory; |
| import org.apache.felix.ipojo.ServiceContext; |
| import org.apache.felix.ipojo.architecture.Architecture; |
| import org.apache.felix.ipojo.architecture.ComponentTypeDescription; |
| import org.apache.felix.ipojo.architecture.InstanceDescription; |
| import org.apache.felix.ipojo.metadata.Attribute; |
| import org.apache.felix.ipojo.metadata.Element; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| |
| |
| /** |
| * Composite Instance Description. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class CompositeInstanceDescription extends InstanceDescription { |
| |
| /** |
| * Creates a Primitive Instance Description. |
| * @param type the component type description |
| * @param instance the instance description |
| */ |
| public CompositeInstanceDescription(ComponentTypeDescription type, CompositeManager instance) { |
| super(type, instance); |
| } |
| |
| |
| /** |
| * Gets the list of contained instance in the describe instance. |
| * This list contains only instances who exposed their architecture. |
| * @return the list of contained instances. |
| */ |
| public InstanceDescription[] getContainedInstances() { |
| // Get instances description of internal instance |
| ServiceContext internal = ((CompositeManager) m_instance).getServiceContext(); |
| try { |
| ServiceReference[]refs = internal.getServiceReferences(Architecture.class.getName(), null); |
| if (refs != null) { |
| InstanceDescription[] descs = new InstanceDescription[refs.length]; |
| for (int i = 0; i < refs.length; i++) { |
| Architecture arch = (Architecture) internal.getService(refs[i]); |
| descs[i] = arch.getInstanceDescription(); |
| internal.ungetService(refs[i]); |
| } |
| return descs; |
| } |
| } catch (InvalidSyntaxException e) { |
| // Cannot happen |
| } |
| return new InstanceDescription[0]; |
| } |
| |
| /** |
| * Gets the list of internally published services. |
| * @return the list of published services. |
| */ |
| public Element getInternalServices() { |
| Element services = new Element("services", ""); |
| ServiceContext internal = ((CompositeManager) m_instance) |
| .getServiceContext(); |
| try { |
| ServiceReference[] refs = internal.getServiceReferences(null, "(!(objectclass=" + Factory.class.getName() + "))"); |
| for (int i = 0; refs != null && i < refs.length; i++) { |
| Element svc = new Element("service", ""); |
| String[] keys = refs[i].getPropertyKeys(); |
| for (int j = 0; j < keys.length; j++) { |
| Object v = refs[i].getProperty(keys[j]); |
| if (v instanceof String[]) { |
| List l = Arrays.asList((String[]) v); |
| svc.addAttribute(new Attribute(keys[j], l.toString())); |
| } else { |
| svc.addAttribute(new Attribute(keys[j], v.toString())); |
| } |
| } |
| services.addElement(svc); |
| } |
| |
| } catch (InvalidSyntaxException e) { |
| // Cannot happen |
| } |
| return services; |
| } |
| |
| /** |
| * Gets the instance description. |
| * Overridden to add created objects. |
| * @return the instance description |
| */ |
| public Element getDescription() { |
| Element elem = super.getDescription(); |
| elem.addElement(getInternalServices()); |
| |
| InstanceDescription[] descs = getContainedInstances(); |
| if (descs.length > 0) { |
| Element inst = new Element("ContainedInstances", ""); |
| for (int i = 0; i < descs.length; i++) { |
| inst.addElement(descs[i].getDescription()); |
| } |
| elem.addElement(inst); |
| } |
| |
| return elem; |
| } |
| |
| } |