Here you can find the source of getSetter(final Class targetClass, final String propertyName)
public static synchronized Method getSetter(final Class targetClass, final String propertyName)
//package com.java2s; /**//from ww w . ja v a2 s . co m * A collection of small utilities for component management and reflection handling. * <p/> * <hr/> Copyright 2006-2012 Torsten Heup * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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. */ import java.lang.reflect.Method; public class Main { /** * Returns a setter method for the given property, or null if there is none. * * @param target Target exposing the setter. * @param propertyName The setter's property. * @return a setter method for the given property, or null if there is none. */ public static synchronized Method getSetter(final Object target, final String propertyName) { return getSetter(target.getClass(), propertyName); } public static synchronized Method getSetter(final Class targetClass, final String propertyName) { String setterName = "set" + Character.toUpperCase(propertyName.charAt(0)); if (setterName.length() > 1) setterName += propertyName.substring(1); final Method[] methods = targetClass.getMethods(); for (Method m : methods) { if (m.getName().equals(setterName) && m.getParameterTypes().length == 1) return m; } return null; } }