package org.apache.maven.plugin.javadoc.resolver;

 /*

  * 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.maven.artifact.Artifact;

 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;

 /**

  * ArtifactFilter implementation which returns true for the given pomArtifact

  * and offers the opportunity to delegate to another filter, if the given

  * artifact is not the pomArtifact.

  */

 public class ProjectArtifactFilter

     implements ArtifactFilter

 {

     private Artifact pomArtifact;

     private ArtifactFilter childFilter;

     public ProjectArtifactFilter( Artifact pomArtifact )

     {

         this( pomArtifact, null );

     }

     public ProjectArtifactFilter( Artifact pomArtifact, ArtifactFilter childFilter )

     {

         this.pomArtifact = pomArtifact;

         this.childFilter = childFilter;

     }

     public boolean include( Artifact artifact )

     {

         // always include the pom artifact

         if ( pomArtifact.equals( artifact ) )

         {

             return true;

         }

         // delegate to given filter, if available

         if ( childFilter != null )

         {

             return childFilter.include( artifact );

         }

         // given artifact does not match any rule

         return false;

     }

 }