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
015package org.apache.tapestry.services.impl;
016
017import org.apache.hivemind.ClassResolver;
018import org.apache.tapestry.TapestryUtils;
019import org.apache.tapestry.services.ClassFinder;
020
021/**
022 * Implemenation of service tapestry.ClassFinder.
023 * 
024 * @author Howard Lewis Ship
025 * @since 4.0
026 */
027public 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}