001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.services.impl;
016    
017    import org.apache.hivemind.ClassResolver;
018    import org.apache.tapestry.TapestryUtils;
019    import org.apache.tapestry.services.ClassFinder;
020    
021    /**
022     * Implemenation of service tapestry.ClassFinder.
023     * 
024     * @author Howard Lewis Ship
025     * @since 4.0
026     */
027    public class ClassFinderImpl implements ClassFinder
028    {
029        private ClassResolver _classResolver;
030    
031        public Class findClass(String packageList, String className)
032        {
033            String[] packages = TapestryUtils.split(packageList);
034    
035            for (int i = 0; i < packages.length; i++)
036            {
037                String fullName = packages[i].trim() + "." + className;
038    
039                Class result = _classResolver.checkForClass(fullName);
040    
041                if (result != null)
042                    return result;
043            }
044    
045            return _classResolver.checkForClass(className);
046        }
047    
048        public void setClassResolver(ClassResolver classResolver)
049        {
050            _classResolver = classResolver;
051        }
052    
053    }