package org.apache.commons.ognl.internal.entry;

 /*

  * 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.

  */

 /*

  * $Id: MethodCacheEntryFactory.java 1194957 2011-10-29 18:04:20Z mcucchiara $

  */

 import org.apache.commons.ognl.OgnlRuntime;

 import org.apache.commons.ognl.internal.CacheException;

 import java.lang.reflect.Method;

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 public abstract class MethodCacheEntryFactory<T extends MethodCacheEntry>

     implements CacheEntryFactory<T, Map<String, List<Method>>>

 {

     public Map<String, List<Method>> create( T key )

         throws CacheException

     {

         Map<String, List<Method>> result = new HashMap<String, List<Method>>( 23 );

         Class<?> c = key.targetClass;

         while ( c != null )

         {

             for ( Method method : c.getDeclaredMethods() )

             {

                 // skip over synthetic methods

                 if ( !OgnlRuntime.isMethodCallable( method ) )

                 {

                     continue;

                 }

                 if ( shouldCache( key, method ) )

                 {

                     List<Method> ml = result.get( method.getName() );

                     if ( ml == null )

                     {

                         ml = new ArrayList<Method>();

                         result.put( method.getName(), ml );

                     }

                     ml.add( method );

                 }

             }

             c = c.getSuperclass();

         }

         return result;

     }

     protected abstract boolean shouldCache( T key, Method method );

 }