content: package org.apache.archiva.model;
  
  /*
   * 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.
   */
  
  import java.util.ArrayList;
  import java.util.Enumeration;
  import java.util.List;
  import java.util.Properties;
  
  /**
   * Utility methods for cloning various Archiva Model objects.
   *
   *
   */
  public class ArchivaModelCloner
  {
  
      public static ArtifactReference clone( ArtifactReference artifactReference )
      {
          if ( artifactReference == null )
          {
              return null;
          }
  
          ArtifactReference cloned = new ArtifactReference();
  
          cloned.setGroupId( artifactReference.getGroupId() );
          cloned.setArtifactId( artifactReference.getArtifactId() );
          cloned.setVersion( artifactReference.getVersion() );
          cloned.setClassifier( artifactReference.getClassifier() );
          cloned.setType( artifactReference.getType() );
  
          return cloned;
      }
  
      @SuppressWarnings( "unchecked" )
      public static Properties clone( Properties properties )
      {
          if ( properties == null )
          {
              return null;
          }
  
          Properties cloned = new Properties();
  
          Enumeration<String> keys = (Enumeration<String>) properties.propertyNames();
          while ( keys.hasMoreElements() )
          {
              String key = (String) keys.nextElement();
              String value = properties.getProperty( key );
              cloned.setProperty( key, value );
          }
  
          return cloned;
      }
  
      public static SnapshotVersion clone( SnapshotVersion snapshotVersion )
      {
          if ( snapshotVersion == null )
          {
              return null;
          }
  
          SnapshotVersion cloned = new SnapshotVersion();
  
          cloned.setTimestamp( snapshotVersion.getTimestamp() );
          cloned.setBuildNumber( snapshotVersion.getBuildNumber() );
  
          return cloned;
      }
  
      public static VersionedReference clone( VersionedReference versionedReference )
      {
          if ( versionedReference == null )
          {
              return null;
          }
  
          VersionedReference cloned = new VersionedReference();
  
          cloned.setGroupId( versionedReference.getGroupId() );
          cloned.setArtifactId( versionedReference.getArtifactId() );
          cloned.setVersion( versionedReference.getVersion() );
  
          return cloned;
      }
  
      public static List<ArtifactReference> cloneArtifactReferences( List<ArtifactReference> artifactReferenceList )
      {
          if ( artifactReferenceList == null )
          {
              return null;
          }
  
          List<ArtifactReference> ret = new ArrayList<>( artifactReferenceList.size() );
  
          for ( ArtifactReference ref : artifactReferenceList )
          {
              ret.add( clone( ref ) );
          }
  
          return ret;
      }
  
      private static List<String> cloneSimpleStringList( List<String> simple )
      {
          if ( simple == null )
          {
              return null;
          }
  
          List<String> ret = new ArrayList<>( simple.size() );
  
          for ( String txt : simple )
          {
              ret.add( txt );
          }
  
          return ret;
      }
  
      public static List<String> cloneAvailableVersions( List<String> availableVersions )
      {
          return cloneSimpleStringList( availableVersions );
      }
  }
  