package org.apache.maven.plugins.shade.relocation;

 /*

  * 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.Iterator;

 import java.util.LinkedHashSet;

 import java.util.List;

 import java.util.Set;

 import org.codehaus.plexus.util.SelectorUtils;

 /**

  * @author Jason van Zyl

  * @author Mauro Talevi

  */

 public class SimpleRelocator

     implements Relocator

 {

     private String pattern;

     private String pathPattern;

     private String shadedPattern;

     private String shadedPathPattern;

     private Set excludes;

     public SimpleRelocator( String patt, String shadedPattern, List excludes )

     {

         this.pattern = patt.replace( '/', '.' );

         this.pathPattern = patt.replace( '.', '/' );

         if ( shadedPattern != null )

         {

             this.shadedPattern = shadedPattern.replace( '/', '.' );

             this.shadedPathPattern = shadedPattern.replace( '.', '/' );

         }

         else

         {

             this.shadedPattern = "hidden." + this.pattern;

             this.shadedPathPattern = "hidden/" + this.pathPattern;

         }

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

         {

             this.excludes = new LinkedHashSet();

             for ( Iterator i = excludes.iterator(); i.hasNext(); )

             {

                 String e = (String) i.next();

                 String classExclude = e.replace( '.', '/' );

                 this.excludes.add( classExclude );

                 if ( classExclude.endsWith( "/*" ) )

                 {

                     String packageExclude = classExclude.substring( 0, classExclude.lastIndexOf( '/' ) );

                     this.excludes.add( packageExclude );

                 }

             }

         }

     }

     public boolean canRelocatePath( String path )

     {

         if ( path.endsWith( ".class" ) )

         {

             path = path.substring( 0, path.length() - 6 );

         }

         if ( excludes != null )

         {

             for ( Iterator i = excludes.iterator(); i.hasNext(); )

             {

                 String exclude = (String) i.next();

                 if ( SelectorUtils.matchPath( exclude, path, true ) )

                 {

                     return false;

                 }

             }

         }

         return path.startsWith( pathPattern );

     }

     public boolean canRelocateClass( String clazz )

     {

         return clazz.indexOf( '/' ) < 0 && canRelocatePath( clazz.replace( '.', '/' ) );

     }

     public String relocatePath( String path )

     {

         return path.replaceFirst( pathPattern, shadedPathPattern );

     }

     public String relocateClass( String clazz )

     {

         return clazz.replaceFirst( pattern, shadedPattern );

     }

 }