/**
* Copyright 2009-2016 the original author or authors.
*
* Licensed 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.ibatis.scripting.xmltags;
import java.util.HashMap;
import java.util.Map;
import ognl.ClassResolver;
import org.apache.ibatis.io.Resources;
/**
* Custom ognl {@code ClassResolver} which behaves same like ognl's
* {@code DefaultClassResolver}. But uses the {@code Resources}
* utility class to find the target class instead of {@code Class#forName(String)}.
*
* @author Daniel Guggi
*
* @see <a href='https://github.com/mybatis/mybatis-3/issues/161'>Issue 161</a>
*/
public class OgnlClassResolver implements ClassResolver {
private Map<String, Class<?>> classes = new HashMap<String, Class<?>>(101);
@Override
public Class classForName(String className, Map context) throws ClassNotFoundException {
Class<?> result = null;
if ((result = classes.get(className)) == null) {
try {
result = Resources.classForName(className);
} catch (ClassNotFoundException e1) {
if (className.indexOf('.') == -1) {
result = Resources.classForName("java.lang." + className);
classes.put("java.lang." + className, result);
}
}
classes.put(className, result);
}
return result;
}
}