package org.apache.maven.plugin.dependency.utils;
   
   /*
    * 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.Collections;
  import java.util.LinkedHashSet;
  import java.util.List;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  
  /**
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   * @version $Id: DependencyStatusSets.html 862013 2013-05-14 22:24:45Z hboutemy $
   */
  public class DependencyStatusSets
  {
  
      Set<Artifact> resolvedDependencies = null;
  
      Set<Artifact> unResolvedDependencies = null;
  
      Set<Artifact> skippedDependencies = null;
  
      public DependencyStatusSets()
      {
  
      }
  
      public DependencyStatusSets( Set<Artifact> resolved, Set<Artifact> unResolved, Set<Artifact> skipped )
      {
          if ( resolved != null )
          {
              this.resolvedDependencies = new LinkedHashSet<Artifact>( resolved );
          }
          if ( unResolved != null )
          {
              this.unResolvedDependencies = new LinkedHashSet<Artifact>( unResolved );
          }
          if ( skipped != null )
          {
              this.skippedDependencies = new LinkedHashSet<Artifact>( skipped );
          }
      }
  
      /**
       * @return Returns the resolvedDependencies.
       */
      public Set<Artifact> getResolvedDependencies()
      {
          return this.resolvedDependencies;
      }
  
      /**
       * @param resolvedDependencies
       *            The resolvedDependencies to set.
       */
      public void setResolvedDependencies( Set<Artifact> resolvedDependencies )
      {
          if ( resolvedDependencies != null )
          {
              this.resolvedDependencies = new LinkedHashSet<Artifact>( resolvedDependencies );
          }
          else
          {
              this.resolvedDependencies = null;
          }
      }
  
      /**
       * @return Returns the skippedDependencies.
       */
      public Set<Artifact> getSkippedDependencies()
      {
          return this.skippedDependencies;
      }
  
     /**
      * @param skippedDependencies
      *            The skippedDependencies to set.
      */
     public void setSkippedDependencies( Set<Artifact> skippedDependencies )
     {
         if ( skippedDependencies != null )
         {
             this.skippedDependencies = new LinkedHashSet<Artifact>( skippedDependencies );
         }
         else
         {
             this.skippedDependencies = null;
         }
     }
 
     /**
      * @return Returns the unResolvedDependencies.
      */
     public Set<Artifact> getUnResolvedDependencies()
     {
         return this.unResolvedDependencies;
     }
 
     /**
      * @param unResolvedDependencies
      *            The unResolvedDependencies to set.
      */
     public void setUnResolvedDependencies( Set<Artifact> unResolvedDependencies )
     {
         if ( unResolvedDependencies != null )
         {
             this.unResolvedDependencies = new LinkedHashSet<Artifact>( unResolvedDependencies );
         }
         else
         {
             this.unResolvedDependencies = null;
         }
     }
 
     public String getOutput( boolean outputAbsoluteArtifactFilename )
     {
         return getOutput( outputAbsoluteArtifactFilename, true );
     }
 
     public String getOutput( boolean outputAbsoluteArtifactFilename, boolean outputScope )
     {
         return getOutput(outputAbsoluteArtifactFilename, outputScope, false);
     }
 
     public String getOutput( boolean outputAbsoluteArtifactFilename, boolean outputScope, boolean sort )
     {
         StringBuilder sb = new StringBuilder();
         sb.append( "\n" );
         sb.append( "The following files have been resolved:\n" );
         if ( this.resolvedDependencies == null || this.resolvedDependencies.isEmpty() )
         {
             sb.append( "   none\n" );
         }
         else
         {
             sb.append( buildArtifactListOutput( resolvedDependencies, outputAbsoluteArtifactFilename, outputScope, sort ) );
         }
 
         if ( this.skippedDependencies != null && !this.skippedDependencies.isEmpty() )
         {
             sb.append( "\n" );
             sb.append( "The following files were skipped:\n" );
             Set<Artifact> skippedDependencies = new LinkedHashSet<Artifact>();
             skippedDependencies.addAll( this.skippedDependencies );
             sb.append( buildArtifactListOutput( skippedDependencies, outputAbsoluteArtifactFilename, outputScope, sort ) );
         }
 
         if ( this.unResolvedDependencies != null && !this.unResolvedDependencies.isEmpty() )
         {
             sb.append( "\n" );
             sb.append( "The following files have NOT been resolved:\n" );
             Set<Artifact> unResolvedDependencies = new LinkedHashSet<Artifact>();
             unResolvedDependencies.addAll( this.unResolvedDependencies );
             sb.append( buildArtifactListOutput( unResolvedDependencies, outputAbsoluteArtifactFilename, outputScope, sort ) );
         }
         sb.append( "\n" );
 
         return sb.toString();
     }
 
     private StringBuilder buildArtifactListOutput(Set<Artifact> artifacts,  boolean outputAbsoluteArtifactFilename, boolean outputScope, boolean sort )
     {
         StringBuilder sb = new StringBuilder();
         List<String> artifactStringList = new ArrayList<String>();
         for ( Artifact artifact : artifacts )
         {
             String artifactFilename = null;
             if ( outputAbsoluteArtifactFilename )
             {
                 try
                 {
                     // we want to print the absolute file name here
                     artifactFilename = artifact.getFile().getAbsoluteFile().getPath();
                 }
                 catch ( NullPointerException e )
                 {
                     // ignore the null pointer, we'll output a null string
                     artifactFilename = null;
                 }
             }
 
             String id = outputScope ? artifact.toString() : artifact.getId();
 
             artifactStringList.add( "   " + id + ( outputAbsoluteArtifactFilename ? ":" + artifactFilename : "" ) + "\n" );
         }
         if ( sort )
         {
             Collections.sort( artifactStringList );
         }
         for (String artifactString : artifactStringList)
         {
             sb.append( artifactString );
         }
         return sb;
     }
 }