javaa.beans.MethodDescriptor Maven / Gradle / Ivy
/*
* 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 javaa.beans;
import javaa.beans.FeatureDescriptor;
import javaa.beans.MethodDescriptor;
import javaa.beans.ParameterDescriptor;
import java.lang.reflect.Method;
/**
* Describes a bean's method.
*/
public class MethodDescriptor extends FeatureDescriptor {
private Method method;
private ParameterDescriptor[] parameterDescriptors;
/**
*
* Constructs an instance with the given {@link Method} and
* {@link ParameterDescriptor}s. The {@link #getName()} is set as the name
* of the method passed.
*
*
* @param method
* The Method to set.
* @param parameterDescriptors
* An array of parameter descriptors.
*/
public MethodDescriptor(Method method,
ParameterDescriptor[] parameterDescriptors) {
super();
if (method == null) {
throw new NullPointerException();
}
this.method = method;
this.parameterDescriptors = parameterDescriptors;
setName(method.getName());
}
/**
*
* Constructs an instance with the given {@link Method}. The
* {@link #getName()} is set as the name of the method
* passed.
*
*
* @param method
* The Method to set.
*/
public MethodDescriptor(Method method) {
super();
if (method == null) {
throw new NullPointerException();
}
this.method = method;
setName(method.getName());
}
/**
*
* Gets the method.
*
*
* @return A {@link Method} instance.
*/
public Method getMethod() {
return method;
}
/**
*
* Gets the parameter descriptors.
*
*
* @return An array of {@link ParameterDescriptor} instance or
* null.
*/
public ParameterDescriptor[] getParameterDescriptors() {
return parameterDescriptors;
}
void merge(MethodDescriptor anotherMethod){
super.merge(anotherMethod);
if(method == null){
method = anotherMethod.method;
}
if(parameterDescriptors == null){
parameterDescriptors = anotherMethod.parameterDescriptors;
}
}
}