package org.apache.maven.artifact.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.repository.ArtifactRepository;

 import java.util.HashSet;

 import java.util.Iterator;

 import java.util.List;

 /**

  * Base class for artifact resolution exceptions.

  *

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @version $Id: AbstractArtifactResolutionException.java 647357 2008-04-12 00:51:03Z vsiveton $

  */

 public class AbstractArtifactResolutionException

     extends Exception

 {

     private String groupId;

     private String artifactId;

     private String version;

     private String type;

     private String classifier;

     private Artifact artifact;

     private List remoteRepositories;

     private final String originalMessage;

     private final String path;

     static final String LS = System.getProperty( "line.separator" );

     protected AbstractArtifactResolutionException( String message, String groupId, String artifactId, String version,

                                                    String type, String classifier, List remoteRepositories, List path )

     {

         this( message, groupId, artifactId, version, type, classifier, remoteRepositories, path, null );

     }

     protected AbstractArtifactResolutionException( String message, String groupId, String artifactId, String version,

                                                    String type, String classifier, List remoteRepositories, List path, Throwable t )

     {

         super( constructMessageBase( message, groupId, artifactId, version, type, remoteRepositories, path ), t );

         this.originalMessage = message;

         this.groupId = groupId;

         this.artifactId = artifactId;

         this.type = type;

         this.classifier = classifier;

         this.version = version;

         this.remoteRepositories = remoteRepositories;

         this.path = constructArtifactPath( path, "" );

     }

     protected AbstractArtifactResolutionException( String message, Artifact artifact )

     {

         this( message, artifact, null );

     }

     protected AbstractArtifactResolutionException( String message, Artifact artifact, List remoteRepositories )

     {

         this( message, artifact, remoteRepositories, null );

     }

     protected AbstractArtifactResolutionException( String message, Artifact artifact, List remoteRepositories,

                                                    Throwable t )

     {

         this( message, artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(), artifact.getType(),

               artifact.getClassifier(),remoteRepositories, artifact.getDependencyTrail(), t );

         this.artifact = artifact;

     }

     public Artifact getArtifact()

     {

         return artifact;

     }

     public String getGroupId()

     {

         return groupId;

     }

     public String getArtifactId()

     {

         return artifactId;

     }

     public String getVersion()

     {

         return version;

     }

     public String getType()

     {

         return type;

     }

     /**

      * @return the classifier

      */

     public String getClassifier()

     {

         return this.classifier;

     }

     /**

      * @return the path

      */

     public String getPath()

     {

         return this.path;

     }

     public List getRemoteRepositories()

     {

         return remoteRepositories;

     }

     public String getOriginalMessage()

     {

         return originalMessage;

     }

     protected static String constructArtifactPath( List path, String indentation )

     {

         StringBuffer sb = new StringBuffer();

         if ( path != null )

         {

             sb.append( LS );

             sb.append( indentation );

             sb.append( "Path to dependency: " );

             sb.append( LS );

             int num = 1;

             for ( Iterator i = path.iterator(); i.hasNext(); num++ )

             {

                 sb.append( indentation );

                 sb.append( "\t" );

                 sb.append( num );

                 sb.append( ") " );

                 sb.append( i.next() );

                 sb.append( LS );

             }

         }

         return sb.toString();

     }

     private static String constructMessageBase( String message, String groupId, String artifactId, String version,

                                                 String type, List remoteRepositories, List path )

     {

         StringBuffer sb = new StringBuffer();

         sb.append( message );

         sb.append( LS );

         sb.append( "  " + groupId + ":" + artifactId + ":" + type + ":" + version );

         sb.append( LS );

         if ( remoteRepositories != null && !remoteRepositories.isEmpty() )

         {

             sb.append( LS );

             sb.append( "from the specified remote repositories:" );

             sb.append( LS + "  " );

             for ( Iterator i = new HashSet( remoteRepositories ).iterator(); i.hasNext(); )

             {

                 ArtifactRepository remoteRepository = (ArtifactRepository) i.next();

                 sb.append( remoteRepository.getId() );

                 sb.append( " (" );

                 sb.append( remoteRepository.getUrl() );

                 sb.append( ")" );

                 if ( i.hasNext() )

                 {

                     sb.append( ",\n  " );

                 }

             }

         }

         sb.append( LS );

         sb.append( constructArtifactPath( path, "" ) );

         sb.append( LS );

         return sb.toString();

     }

     protected static String constructMissingArtifactMessage( String message, String indentation, String groupId, String artifactId, String version,

                                               String type, String classifier, String downloadUrl, List path )

     {

         StringBuffer sb = new StringBuffer( message );

         if ( !"pom".equals( type ) )

         {

             if ( downloadUrl != null )

             {

                 sb.append( LS );

                 sb.append( LS );

                 sb.append( indentation );

                 sb.append( "Try downloading the file manually from: " );

                 sb.append( LS );

                 sb.append( indentation );

                 sb.append( "    " );

                 sb.append( downloadUrl );

             }

             else

             {

                 sb.append( LS );

                 sb.append( LS );

                 sb.append( indentation );

                 sb.append( "Try downloading the file manually from the project website." );

             }

             sb.append( LS );

             sb.append( LS );

             sb.append( indentation );

             sb.append( "Then, install it using the command: " );

             sb.append( LS );

             sb.append( indentation );

             sb.append( "    mvn install:install-file -DgroupId=" );

             sb.append( groupId );

             sb.append( " -DartifactId=" );

             sb.append( artifactId );

             sb.append( " -Dversion=" );

             sb.append( version );

             //insert classifier only if it was used in the artifact

             if (classifier !=null && !classifier.equals( "" ))

             {

                 sb.append( " -Dclassifier=" );

                 sb.append( classifier );

             }

             sb.append( " -Dpackaging=" );

             sb.append( type );

             sb.append( " -Dfile=/path/to/file" );

             sb.append( LS );

             // If people want to deploy it

             sb.append( LS );

             sb.append( indentation );

             sb.append( "Alternatively, if you host your own repository you can deploy the file there: " );

             sb.append( LS );

             sb.append( indentation );

             sb.append( "    mvn deploy:deploy-file -DgroupId=" );

             sb.append( groupId );

             sb.append( " -DartifactId=" );

             sb.append( artifactId );

             sb.append( " -Dversion=" );

             sb.append( version );

             //insert classifier only if it was used in the artifact

             if (classifier !=null && !classifier.equals( "" ))

             {

                 sb.append( " -Dclassifier=" );

                 sb.append( classifier );

             }

             sb.append( " -Dpackaging=" );

             sb.append( type );

             sb.append( " -Dfile=/path/to/file" );

             sb.append( " -Durl=[url] -DrepositoryId=[id]" );

             sb.append( LS );

         }

         sb.append( constructArtifactPath( path, indentation ) );

         sb.append( LS );

         return sb.toString();

     }

     public String getArtifactPath()

     {

         return path;

     }

 }