/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with | |
* this work for additional information regarding copyright ownership. | |
* The ASF licenses this file to You 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.commons.proxy.impl; | |
import java.lang.reflect.Method; | |
import java.util.Arrays; | |
import java.util.List; | |
/** | |
* A class for capturing the signature of a method (its name and parameter types). | |
* | |
* @author James Carman | |
* @since 1.0 | |
*/ | |
public class MethodSignature | |
{ | |
//********************************************************************************************************************** | |
// Fields | |
//********************************************************************************************************************** | |
private final String name; | |
private final List<Class<?>> parameterTypes; | |
//********************************************************************************************************************** | |
// Constructors | |
//********************************************************************************************************************** | |
/** | |
* Create a new MethodSignature instance. | |
* @param method | |
*/ | |
public MethodSignature( Method method ) | |
{ | |
this.name = method.getName(); | |
this.parameterTypes = Arrays.asList(method.getParameterTypes()); | |
} | |
//********************************************************************************************************************** | |
// Canonical Methods | |
//********************************************************************************************************************** | |
/** | |
* {@inheritDoc} | |
*/ | |
public boolean equals( Object o ) | |
{ | |
if( this == o ) | |
{ | |
return true; | |
} | |
if( o == null || getClass() != o.getClass() ) | |
{ | |
return false; | |
} | |
final MethodSignature that = ( MethodSignature ) o; | |
if( !name.equals(that.name) ) | |
{ | |
return false; | |
} | |
if( !parameterTypes.equals(that.parameterTypes) ) | |
{ | |
return false; | |
} | |
return true; | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public int hashCode() | |
{ | |
int result; | |
result = name.hashCode(); | |
result = 29 * result + parameterTypes.hashCode(); | |
return result; | |
} | |
} |