package org.apache.maven.surefire.common.junit48;
   
   /*
    * 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.surefire.testset.ResolvedTest;
  import org.apache.maven.surefire.testset.TestListResolver;
  import org.junit.runner.Description;
  import org.junit.runner.manipulation.Filter;
  
  import java.util.Collection;
  import java.util.LinkedHashSet;
  
  final class MethodFilter
      extends Filter
  {
      private final CombinedCategoryFilter combinedFilter;
  
      MethodFilter( String requestString )
      {
          this( new TestListResolver( requestString ) );
      }
  
      MethodFilter( TestListResolver testResolver )
      {
          Collection<Filter> includedFilters = new LinkedHashSet<Filter>();
          Collection<Filter> excludedFilters = new LinkedHashSet<Filter>();
          for ( ResolvedTest test : testResolver.getIncludedPatterns() )
          {
              includedFilters.add( new RequestedTest( test, true ) );
          }
          for ( ResolvedTest test : testResolver.getExcludedPatterns() )
          {
              excludedFilters.add( new RequestedTest( test, false ) );
          }
          combinedFilter = new CombinedCategoryFilter( includedFilters, excludedFilters );
      }
  
      @Override
      public boolean shouldRun( Description description )
      {
          if ( description.isEmpty() )
          {
              return false;
          }
          else if ( description.isTest() )
          {
              return combinedFilter.shouldRun( description );
          }
          else
          {
              for ( Description o : description.getChildren() )
              {
                  if ( combinedFilter.shouldRun( o ) || shouldRun( o ) )
                  {
                      return true;
                  }
              }
              return false;
          }
      }
  
      @Override
      public String describe()
      {
          return combinedFilter.describe();
      }
  }