/*
    * 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.
   */
  
  package org.apache.river.tool;
  
  import org.apache.river.tool.classdepend.ClassDepend;
  import org.apache.river.tool.classdepend.ClassDependParameters.CDPBuilder;
  import org.apache.river.tool.classdepend.ClassDependencyRelationship;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import java.util.TreeSet;
  
  /**
   *
   * @author peter
   */
  public class GenTrustedClasses {
      
      public static void main(String[] args) {
  	String classpath = null;
  	List<String> providers = new ArrayList<String>();
  	ClassDepend classDepend;
  	CDPBuilder cdpBuilder = new CDPBuilder();
  	List<String> classes = new ArrayList<String>();
  	for (int i = 0, l = args.length; i < l; i++){
  	    if ("-cp".equals(args[i])){
  		i++;
  		classpath = args[i];
  	    } else if ("-prov".equals(args[i])){
  		i++;
  		providers.add(args[i]);
  	    } else if ("-in".equals(args[i])){
  		i++;
  		cdpBuilder.addInsidePackage(args[i]);
  	    } else {
  		classes.add(args[i]);
  	    }
  	}
  	try {
  	    classDepend = ClassDepend.newInstance(classpath, null, true);
  	} catch (IOException ex) {
  	    ex.printStackTrace(System.err);
  	    return;
  	}
  	Map classDependencyRelationMap = null;
          try{
              classDependencyRelationMap = classDepend.getDependencyRelationshipMap(classes, true); // get the reference to Collection<Class>
          } catch (ClassNotFoundException e){
              e.printStackTrace(System.err);
          } catch (IOException e) {
              e.printStackTrace(System.err);
          }
  //	ClassDependParameters cdp = cdpBuilder.build();
  //	Set result = classDepend.filterClassDependencyRelationShipMap(classDependencyRelationMap, cdp);
  	List classDependencyRelations = new ArrayList(providers.size());
  	Iterator it = providers.iterator();
  	while (it.hasNext()){
  	    classDependencyRelations.add(classDependencyRelationMap.get(it.next()));
  	}
  	Set<String> classNames = new TreeSet<String>();
  	it = classDependencyRelations.iterator();
  	while (it.hasNext()){
  	    ClassDependencyRelationship cdrs = (ClassDependencyRelationship) it.next();
  	    Set dependants = cdrs.getDependants();
  	    Iterator i = dependants.iterator();
  	    while (i.hasNext()){
  		classNames.add(i.next().toString());
  	    }
  	}
  	it = classNames.iterator();
  	while (it.hasNext()){
  	    System.out.println(it.next());
  	}
      }
      
  }