content: package org.apache.archiva.repository.content.base;
  
  /*
   * 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 org.apache.archiva.repository.ManagedRepositoryContent;
  import org.apache.archiva.repository.content.Namespace;
  import org.apache.archiva.repository.content.Project;
  import org.apache.archiva.repository.content.base.builder.ProjectOptBuilder;
  import org.apache.archiva.repository.content.base.builder.ProjectWithIdBuilder;
  import org.apache.archiva.repository.content.base.builder.WithAssetBuilder;
  import org.apache.archiva.repository.content.base.builder.WithNamespaceObjectBuilder;
  import org.apache.archiva.repository.storage.StorageAsset;
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Immutable class, that represents a project.
   * <p>
   * The namespace and id are required attributes for each instance.
   * <p>
   * Two project instances are equal if the id, and the namespace are equal and if the base attributes
   * repository and asset match.
   *
   * @author Martin Stockhammer <martin_s@apache.org>
   * @since 3.0
   */
  public class ArchivaProject extends BaseContentItem implements Project
  {
      private Namespace namespace;
      private String id;
  
      // Setting all setters to private. Builder is the way to go.
      private ArchivaProject( )
      {
  
      }
  
  
      /**
       * Creates the builder for creating new archiva project instances.
       * You have to set all required attributes before you can call the build() method.
       *
       * @param storageAsset the asset
       * @return a builder instance
       */
      public static WithNamespaceObjectBuilder withAsset( StorageAsset storageAsset )
      {
          return new Builder( ).withAsset( storageAsset );
      }
  
      public static WithAssetBuilder<WithNamespaceObjectBuilder> withRepository( ManagedRepositoryContent repository )
      {
          return new ArchivaProject.Builder( ).withRepository( repository );
      }
  
      @Override
      public Namespace getNamespace( )
      {
          return this.namespace;
      }
  
      @Override
      public String getId( )
      {
          return this.id;
      }
  
  
      @Override
      public boolean equals( Object o )
      {
          if ( this == o ) return true;
          if ( o == null || getClass( ) != o.getClass( ) ) return false;
  
          ArchivaProject that = (ArchivaProject) o;
  
          if (!repository.equals( that.repository )) return false;
          if ( !namespace.equals( that.namespace ) ) return false;
          return id.equals( that.id );
      }
  
      @Override
      public int hashCode( )
      {
          int result = super.hashCode( );
          result = 31 * result + namespace.hashCode( );
          result = 31 * result + id.hashCode( );
          return result;
      }
  
      @Override
      public String toString( )
      {
          return "ArchivaProject{ "+id + ", namespace="+namespace.toString()+"}";
      }
  
      /*
       * Builder class
       */
      public static final class Builder
          extends ContentItemBuilder<ArchivaProject, ProjectOptBuilder, WithNamespaceObjectBuilder>
          implements ProjectOptBuilder, ProjectWithIdBuilder, WithNamespaceObjectBuilder
      {
          private Builder( )
          {
              super( new ArchivaProject( ) );
          }
  
  
          @Override
          protected ProjectOptBuilder getOptBuilder( )
          {
              return this;
          }
  
          @Override
          protected WithNamespaceObjectBuilder getNextBuilder( )
          {
              return this;
          }
  
          @Override
          public ProjectOptBuilder withId( String id )
          {
              if ( StringUtils.isEmpty( id ) )
              {
                  throw new IllegalArgumentException( "Null or empty value not allowed for id" );
              }
              item.id = id;
              return this;
          }
  
          @Override
          public ProjectWithIdBuilder withNamespace( Namespace namespace )
          {
              if ( namespace == null )
              {
                  throw new IllegalArgumentException( "Null value not allowed for namespace" );
              }
              item.namespace = namespace;
              super.setRepository( namespace.getRepository( ) );
              return this;
          }
  
          @Override
          public ArchivaProject build( )
          {
              super.build( );
              if ( item.namespace == null )
              {
                  throw new IllegalArgumentException( "Namespace may not be null" );
              }
              return item;
          }
      }
  
  
  }
  