content: /*
   * 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.aries.blueprint.reflect;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.aries.blueprint.mutable.MutableServiceMetadata;
  import org.osgi.service.blueprint.reflect.MapEntry;
  import org.osgi.service.blueprint.reflect.Metadata;
  import org.osgi.service.blueprint.reflect.NonNullMetadata;
  import org.osgi.service.blueprint.reflect.RegistrationListener;
  import org.osgi.service.blueprint.reflect.ServiceMetadata;
  import org.osgi.service.blueprint.reflect.Target;
  
  /**
   * Implementation of ServiceMetadata
   *
   * @version $Rev$, $Date$
   */
  public class ServiceMetadataImpl extends ComponentMetadataImpl implements MutableServiceMetadata {
  
      private Target serviceComponent;
      private List<String> interfaceNames;
      private int autoExport;
      private List<MapEntry> serviceProperties;
      private int ranking;
      private Collection<RegistrationListener> registrationListeners;
  
      public ServiceMetadataImpl() {
      }
      
      public ServiceMetadataImpl(ServiceMetadata source) {
          super(source);
          this.serviceComponent = MetadataUtil.cloneTarget(source.getServiceComponent());
          this.interfaceNames = new ArrayList<String>(source.getInterfaces());
          this.autoExport = source.getAutoExport();
          for (MapEntry serviceProperty : source.getServiceProperties()) {
              addServiceProperty(new MapEntryImpl(serviceProperty));
          }
          this.ranking = source.getRanking();
          for (RegistrationListener listener : source.getRegistrationListeners()) {
              addRegistrationListener(new RegistrationListenerImpl(listener));
          }
      }
  
      public Target getServiceComponent() {
          return serviceComponent;
      }
  
      public void setServiceComponent(Target exportedComponent) {
          this.serviceComponent = exportedComponent;
      }
  
      public List<String> getInterfaces() {
          if (this.interfaceNames == null) {
              return Collections.emptyList();
          } else {
              return Collections.unmodifiableList(this.interfaceNames);
          }
      }
  
      public void setInterfaceNames(List<String> interfaceNames) {
          this.interfaceNames = interfaceNames != null ? new ArrayList<String>(interfaceNames) : null;
      }
  
      public void addInterface(String interfaceName) {
          if (this.interfaceNames == null) {
              this.interfaceNames = new ArrayList<String>();
          }
          this.interfaceNames.add(interfaceName);
      }
  
      public void removeInterface(String interfaceName) {
          if (this.interfaceNames != null) {
              this.interfaceNames.remove(interfaceName);
          }
      }
  
      public int getAutoExport() {
          return this.autoExport;
      }
  
      public void setAutoExport(int autoExport) {
          this.autoExport = autoExport;
      }
  
      public List<MapEntry> getServiceProperties() {
          if (this.serviceProperties == null) {
              return Collections.emptyList();
          } else {
              return Collections.unmodifiableList(this.serviceProperties);
          }
      }
  
      public void setServiceProperties(List<MapEntry> serviceProperties) {
          this.serviceProperties = serviceProperties != null ? new ArrayList<MapEntry>(serviceProperties) : null;
      }
  
      public void addServiceProperty(MapEntry serviceProperty) {
          if (this.serviceProperties == null) {
              this.serviceProperties = new ArrayList<MapEntry>();
          }
          this.serviceProperties.add(serviceProperty);
      }
  
      public MapEntry addServiceProperty(NonNullMetadata key, Metadata value) {
          MapEntry serviceProperty = new MapEntryImpl(key, value);
          addServiceProperty(serviceProperty);
          return serviceProperty;
      }
  
      public void removeServiceProperty(MapEntry serviceProperty) {
          if (this.serviceProperties != null) {
              this.serviceProperties.remove(serviceProperty);
          }
      }
  
      public int getRanking() {
          return ranking;
      }
  
      public void setRanking(int ranking) {
          this.ranking = ranking;
      }
  
      public Collection<RegistrationListener> getRegistrationListeners() {
          if (this.registrationListeners == null) {
              return Collections.emptySet();
          } else {
              return Collections.unmodifiableCollection(this.registrationListeners);
          }
      }
  
      public void setRegistrationListeners(Collection<RegistrationListener> registrationListeners) {
          this.registrationListeners = registrationListeners;
      }
  
      public void addRegistrationListener(RegistrationListener registrationListenerMetadata) {
          if (this.registrationListeners == null) {
              this.registrationListeners = new ArrayList<RegistrationListener>();
          }
          this.registrationListeners.add(registrationListenerMetadata);
      }
  
      public RegistrationListener addRegistrationListener(Target listenerComponent, String registrationMethodName, String unregistrationMethodName) {
          RegistrationListener listener = new RegistrationListenerImpl(listenerComponent, registrationMethodName,  unregistrationMethodName);
          addRegistrationListener(listener);
          return listener;
      }
  
      public void removeRegistrationListener(RegistrationListener listener) {
          if (this.registrationListeners != null) {
              this.registrationListeners.remove(listener);
          }
      }
  
      @Override
      public String toString() {
          return "ServiceMetadata[" +
                  "id='" + id + '\'' +
                  ", activation=" + activation +
                  ", dependsOn=" + dependsOn +
                  ", exportedComponent=" + serviceComponent +
                  ", interfaces=" + interfaceNames +
                  ", autoExportMode=" + autoExport +
                  ", serviceProperties=" + serviceProperties +
                  ", ranking=" + ranking +
                  ", registrationListeners=" + registrationListeners +
                  ']';
      }
  }
  