package org.apache.maven.shared.dependency.graph.filter;

 /*

  * 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.Arrays;

 import java.util.Collections;

 import java.util.List;

 import org.apache.maven.shared.dependency.graph.DependencyNode;

 /**

  * A dependency node filter that logically ANDs together a number of other dependency node filters.

  * 

  * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>

  * @version $Id: AndDependencyNodeFilter.java 1351166 2012-06-17 21:15:54Z hboutemy $

  * @since 1.1

  */

 public class AndDependencyNodeFilter

     implements DependencyNodeFilter

 {

     // fields -----------------------------------------------------------------

     /**

      * The dependency node filters that this filter ANDs together.

      */

     private final List<DependencyNodeFilter> filters;

     // constructors -----------------------------------------------------------

     /**

      * Creates a dependency node filter that logically ANDs together the two specified dependency node filters.

      * 

      * @param filter1

      *            the first dependency node filter to logically AND together

      * @param filter2

      *            the second dependency node filter to logically AND together

      */

     public AndDependencyNodeFilter( DependencyNodeFilter filter1, DependencyNodeFilter filter2 )

     {

         this( Arrays.asList( new DependencyNodeFilter[] { filter1, filter2 } ) );

     }

     /**

      * Creates a dependency node filter that logically ANDs together the specified dependency node filters.

      * 

      * @param filters

      *            the list of dependency node filters to logically AND together

      */

     public AndDependencyNodeFilter( List<DependencyNodeFilter> filters )

     {

         this.filters = Collections.unmodifiableList( filters );

     }

     // DependencyNodeFilter methods -------------------------------------------

     /**

      * {@inheritDoc}

      */

     public boolean accept( DependencyNode node )

     {

         for ( DependencyNodeFilter filter : filters )

         {

             if ( !filter.accept( node ) )

             {

                 return false;

             }

         }

         return true;

     }

     // public methods ---------------------------------------------------------

     /**

      * Gets the list of dependency node filters that this filter ANDs together.

      * 

      * @return the dependency node filters that this filter ANDs together

      */

     public List<DependencyNodeFilter> getDependencyNodeFilters()

     {

         return filters;

     }

 }