package org.apache.maven.surefire.group.match;
   
   /*
    * 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.regex.Pattern;
  import java.util.regex.PatternSyntaxException;
  
  /**
   * Single group matcher
   *
   */
  public class SingleGroupMatcher
      implements GroupMatcher
  {
      private final String enabled;
      private final Pattern pattern;
  
      private Class<?> enabledClass;
  
      public SingleGroupMatcher( String enabled )
      {
          this.enabled = enabled.endsWith( ".class" ) ? enabled.substring( 0, enabled.length() - 6 ) : enabled;
          Pattern p;
          try
          {
              p = Pattern.compile( enabled );
          }
          catch ( PatternSyntaxException e )
          {
              p = null;
          }
          pattern = p;
      }
  
      @Override
      public int hashCode()
      {
          final int prime = 31;
          int result = 1;
          result = prime * result + enabled.hashCode();
          return result;
      }
  
      @Override
      public boolean equals( Object obj )
      {
          if ( this == obj )
          {
              return true;
          }
          if ( obj == null )
          {
              return false;
          }
          if ( getClass() != obj.getClass() )
          {
              return false;
          }
          SingleGroupMatcher other = (SingleGroupMatcher) obj;
          return enabled.equals( other.enabled );
      }
  
      @Override
      public String toString()
      {
          return "*" + enabled;
      }
  
      @Override
      public boolean enabled( Class<?>... cats )
      {
          if ( cats != null )
          {
              for ( Class<?> cls : cats )
              {
                  if ( enabledClass != null && enabledClass.isAssignableFrom( cls ) )
                  {
                      return true;
                  }
  
                  String name = cls.getName();
                  if ( name.endsWith( enabled ) )
                 {
                     return true;
                 }
             }
         }
 
         return false;
     }
 
     @Override
     public boolean enabled( String... cats )
     {
         for ( String cat : cats )
         {
             if ( cat == null || cat.trim().isEmpty() )
             {
                 continue;
             }
 
             if ( cat.equals( enabled ) )
             {
                 return true;
             }
 
             if ( pattern != null && pattern.matcher( cat ).matches() )
             {
                 return true;
             }
         }
 
         return false;
     }
 
     @Override
     public void loadGroupClasses( ClassLoader classLoader )
     {
         try
         {
             enabledClass = classLoader.loadClass( enabled );
         }
         catch ( ClassNotFoundException e )
         {
             // class is not available at runtime, for instance this would happen in reactor projects
             // in which not all modules have the required class on the classpath/module path
             System.out.println( "[WARNING] Couldn't load group class '" + enabled + "' in Surefire|Failsafe plugin. "
                     + "The group class is ignored!" );
         }
     }
 }