/*

  *  Copyright (c) 2001-2009, Jean Tessier

  *  All rights reserved.

  *  

  *  Redistribution and use in source and binary forms, with or without

  *  modification, are permitted provided that the following conditions

  *  are met:

  *  

  *      * Redistributions of source code must retain the above copyright

  *        notice, this list of conditions and the following disclaimer.

  *  

  *      * Redistributions in binary form must reproduce the above copyright

  *        notice, this list of conditions and the following disclaimer in the

  *        documentation and/or other materials provided with the distribution.

  *  

  *      * Neither the name of Jean Tessier nor the names of his contributors

  *        may be used to endorse or promote products derived from this software

  *        without specific prior written permission.

  *  

  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

  *  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR

  *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

  *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  */

 package com.jeantessier.dependencyfinder.cli;

 import java.util.*;

 import org.apache.oro.text.perl.*;

 import com.jeantessier.classreader.*;

 import com.jeantessier.text.*;

 public class ClassMatcher extends LoadListenerBase {

     private Perl5Util perl = new Perl5Util(new MaximumCapacityPatternCache());

     private List<String> includes;

     private List<String> excludes;

     private Map<String, List<String>> results = new TreeMap<String, List<String>>();

     public ClassMatcher(List<String> includes, List<String> excludes) {

         this.includes = includes;

         this.excludes = excludes;

     }

     public Map<String, List<String>> getResults() {

         return results;

     }

     public void endClassfile(LoadEvent event) {

         super.endClassfile(event);

         String className = event.getClassfile().getClassName();

         String groupName = event.getGroupName();

         if (matches(className)) {

             List<String> groups = results.get(className);

             if (groups == null) {

                 groups = new LinkedList<String>();

                 results.put(className, groups);

             }

             groups.add(groupName);

         }

     }

     private boolean matches(String name) {

         return matches(includes, name) && !matches(excludes, name);

     }

     private boolean matches(List<String> regularExpressions, String name) {

         boolean found = false;

         Iterator<String> i = regularExpressions.iterator();

         while (!found && i.hasNext()) {

             String condition = i.next();

             found = perl.match(condition, name);

         }

         return found;

     }

 }