001    /*
002     * $Id: ConcurrentHashMapCacheTest.java 1188000 2011-10-23 23:10:24Z mcucchiara $
003     *
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    package org.apache.commons.ognl.internal;
023    
024    import org.apache.commons.ognl.internal.entry.CacheEntryFactory;
025    import org.apache.commons.ognl.test.objects.Bean2;
026    import org.junit.Test;
027    
028    import java.lang.reflect.Method;
029    import java.util.ArrayList;
030    import java.util.List;
031    
032    import static junit.framework.Assert.assertNotNull;
033    import static org.junit.Assert.assertFalse;
034    
035    public class ConcurrentHashMapCacheTest
036    {
037        private ConcurrentHashMapCacheTest.DummyEntryFactory entryFactory=new DummyEntryFactory( );
038        private Cache<CacheEntry, List<Method>> cache = new ConcurrentHashMapCache<CacheEntry, List<Method>>( entryFactory );
039    
040    
041        @Test
042        public void testGet( )
043            throws Exception
044        {
045    
046            getMethods( new CacheEntry( Bean2.class, "bean3" ) );
047            getMethods( new CacheEntry( Bean2.class, "id" ) );
048        }
049    
050        private void getMethods( CacheEntry entry )
051            throws CacheException
052        {
053            List<Method> methods = cache.get( entry);
054            assertNotNull( methods );
055            assertFalse( methods.isEmpty( ) );
056        }
057    
058        private class CacheEntry
059        {
060            private Class<?> clazz;
061    
062            private String methodName;
063    
064            private CacheEntry( Class<?> clazz, String methodName )
065            {
066                this.clazz = clazz;
067                this.methodName = methodName;
068            }
069    
070            public Class<?> getClazz( )
071            {
072                return clazz;
073            }
074    
075            public String getMethodName( )
076            {
077                return methodName;
078            }
079        }
080    
081        private class DummyEntryFactory
082            implements CacheEntryFactory<CacheEntry, List<Method>>
083        {
084            public List<Method> create( CacheEntry key )
085                throws CacheException
086            {
087                Method[] methods = key.getClazz( ).getMethods( );
088                List<Method> list = new ArrayList<Method>( );
089                for ( Method method : methods )
090                {
091                    String name = method.getName( );
092                    boolean isGet = name.substring( 3, name.length( ) ).equalsIgnoreCase( key.getMethodName( ) );
093                    if ( isGet )
094                    {
095                        list.add( method );
096                    }
097                }
098                return list;
099            }
100        }
101    }