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.Collections;
  import java.util.List;
  
  import org.apache.aries.blueprint.mutable.MutableCollectionMetadata;
  import org.osgi.service.blueprint.reflect.CollectionMetadata;
  import org.osgi.service.blueprint.reflect.Metadata;
  
  /**
   * Implementation of CollectionMetadata
   *
   * @version $Rev$, $Date$
   */
  public class CollectionMetadataImpl implements MutableCollectionMetadata {
  
      private Class collectionClass;
      private String valueType;
      private List<Metadata> values;
  
      public CollectionMetadataImpl() {
      }
  
      public CollectionMetadataImpl(Class collectionClass, String valueType, List<Metadata> values) {
          this.collectionClass = collectionClass;
          this.valueType = valueType;
          this.values = values;
      }
      
      public CollectionMetadataImpl(CollectionMetadata source) {
          this.collectionClass = source.getCollectionClass();
          this.valueType = source.getValueType();
          for (Metadata value : source.getValues()) {
              addValue(MetadataUtil.cloneMetadata(value));
          }
      }
  
      public Class getCollectionClass() {
          return collectionClass;
      }
  
      public void setCollectionClass(Class collectionClass) {
          this.collectionClass = collectionClass;
      }
  
      public String getValueType() {
          return valueType;
      }
  
      public void setValueType(String valueType) {
          this.valueType = valueType;
      }
  
      public List<Metadata> getValues() {
          if (this.values == null) {
              return Collections.emptyList();
          } else {
              return Collections.unmodifiableList(this.values);
          }
      }
  
      public void setValues(List<Metadata> values) {
          this.values = values != null ? new ArrayList<Metadata>(values) : null;
      }
  
      public void addValue(Metadata value) {
          if (this.values == null) {
              this.values = new ArrayList<Metadata>();
          }
          this.values.add(value);
      }
  
      public void removeValue(Metadata value) {
          if (this.values != null) {
              this.values.remove(value);
          }
      }
  
      @Override
      public String toString() {
          return "CollectionMetadata[" +
                  "collectionClass=" + collectionClass +
                  ", valueType='" + valueType + '\'' +
                  ", values=" + values +
                  ']';
      }
  }
  