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
   *
   *      https://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.ivy.osgi.repo;
  
  import java.net.URI;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.ivy.core.module.descriptor.DefaultModuleDescriptor;
  import org.apache.ivy.core.module.descriptor.ModuleDescriptor;
  import org.apache.ivy.osgi.core.BundleInfo;
  import org.apache.ivy.osgi.core.BundleInfoAdapter;
  import org.apache.ivy.osgi.core.ExecutionEnvironmentProfileProvider;
  import org.apache.ivy.osgi.core.OSGiManifestParser;
  
  public class ModuleDescriptorWrapper {
  
      private BundleInfo bundleInfo;
  
      private volatile DefaultModuleDescriptor md;
  
      private URI baseUri;
  
      private ExecutionEnvironmentProfileProvider profileProvider;
  
      public ModuleDescriptorWrapper(BundleInfo bundleInfo, URI baseUri,
              ExecutionEnvironmentProfileProvider profileProvider) {
          this.bundleInfo = bundleInfo;
          this.baseUri = baseUri;
          this.profileProvider = profileProvider;
      }
  
      public BundleInfo getBundleInfo() {
          return bundleInfo;
      }
  
      public DefaultModuleDescriptor getModuleDescriptor() {
          if (md == null) {
              synchronized (this) {
                  if (md != null) {
                      return md;
                  }
                  md = BundleInfoAdapter.toModuleDescriptor(OSGiManifestParser.getInstance(),
                      baseUri, bundleInfo, profileProvider);
              }
          }
          return md;
      }
  
      public static Collection<ModuleDescriptor> unwrap(Collection<ModuleDescriptorWrapper> collection) {
          if (collection == null) {
              return null;
          }
          if (collection.isEmpty()) {
              return Collections.emptyList();
          }
          List<ModuleDescriptor> unwrapped = new ArrayList<>();
          for (ModuleDescriptorWrapper wrapped : collection) {
              unwrapped.add(wrapped.getModuleDescriptor());
          }
          return unwrapped;
      }
  
      @Override
      public int hashCode() {
          return bundleInfo.hashCode();
      }
  
      @Override
      public boolean equals(Object obj) {
          return obj instanceof ModuleDescriptorWrapper
                  && bundleInfo.equals(((ModuleDescriptorWrapper) obj).bundleInfo);
      }
  
      @Override
      public String toString() {
          return getModuleDescriptor().toString();
      }
  
  }
  