ext.test4j.cglib.reflect.FastMethod Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of test4j.nodep Show documentation

There is a newer version: 2.5.0

/*
 * Copyright 2003,2004 The Apache Software Foundation
 *
 *  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 ext.test4j.cglib.reflect;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

@SuppressWarnings({ "rawtypes" })
public class FastMethod extends FastMember {
	FastMethod(FastClass fc, Method method) {
		super(fc, method, helper(fc, method));
	}

	private static int helper(FastClass fc, Method method) {
		int index = fc.getIndex(method.getName(), method.getParameterTypes());
		if (index < 0) {
			Class[] types = method.getParameterTypes();
			System.err.println("hash=" + method.getName().hashCode() + " size=" + types.length);
			for (int i = 0; i < types.length; i++) {
				System.err.println("  types[" + i + "]=" + types[i].getName());
			}
			throw new IllegalArgumentException("Cannot find method " + method);
		}
		return index;
	}

	public Class getReturnType() {
		return ((Method) member).getReturnType();
	}

	public Class[] getParameterTypes() {
		return ((Method) member).getParameterTypes();
	}

	public Class[] getExceptionTypes() {
		return ((Method) member).getExceptionTypes();
	}

	public Object invoke(Object obj, Object[] args) throws InvocationTargetException {
		return fc.invoke(index, obj, args);
	}

	public Method getJavaMethod() {
		return (Method) member;
	}
}