package org.apache.maven.plugins.jdeprscan.consumers;
   
   /*
    * 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.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.StreamConsumer;
  
  /**
   * Consumes output of jdeprscan tool
   * 
   * @author Robert Scholte
   * @since 3.0.0
   */
  public class JDeprScanConsumer
      extends CommandLineUtils.StringStreamConsumer
      implements StreamConsumer
  {
  
      private Map<String, Set<String>> deprecatedClasses = new HashMap<>();
  
      private Map<String, Set<String>> deprecatedMethods = new HashMap<>();
  
      public static final Pattern DEPRECATED_CLASS = Pattern.compile( "^class (\\S+) uses deprecated class (\\S+)" );
  
      public static final Pattern DEPRECATED_METHOD = Pattern.compile( "^class (\\S+) uses deprecated method (\\S+)" );
  
      public Map<String, Set<String>> getDeprecatedClasses()
      {
          return deprecatedClasses;
      }
      
      public Map<String, Set<String>> getDeprecatedMethods()
      {
          return deprecatedMethods;
      }
      
      @Override
      public void consumeLine( String line )
      {
          super.consumeLine( line );
  
          Matcher matcher;
          
          matcher = DEPRECATED_CLASS.matcher( line );
          if ( matcher.find() )
          {
              Set<String> dc = deprecatedClasses.get( matcher.group( 1 ) );
              if ( dc == null )
              {
                  dc = new HashSet<>();
                  deprecatedClasses.put( matcher.group( 1 ), dc );
              }
              dc.add( matcher.group( 2 ) );
              return;
          }
          
          matcher = DEPRECATED_METHOD.matcher( line );
          if ( matcher.find() )
          {
              Set<String> dm = deprecatedMethods.get( matcher.group( 1 ) );
              if ( dm == null )
              {
                  dm = new HashSet<>();
                  deprecatedMethods.put( matcher.group( 1 ), dm );
              }
              dm.add( matcher.group( 2 ) );
              return;
          }
      }
  }