get the setter method corresponding to given property - Java Reflection

Java examples for Reflection:Setter

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Description

get the setter method corresponding to given property

Demo Code

/*//  w  w  w.  ja  v  a 2  s  .  co  m
 * Copyright 2008-2009 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.
 */
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

public class Main{

    /**
     * get the setter method corresponding to given property
     * 
     */
    public static Method getSetterPropertyMethod(Class<?> type,
            String propertyName) {
        String sourceMethodName = "set"
                + BeanUtils.capitalizePropertyName(propertyName);

        Method sourceMethod = BeanUtils.getMethod(type, sourceMethodName);

        return sourceMethod;
    }
    /**
     * Return a capitalized version of the specified property name.
     * 
     * @param s
     *            The property name
     */
    public static String capitalizePropertyName(String s) {
        if (s.length() == 0) {
            return s;
        }

        char[] chars = s.toCharArray();
        chars[0] = Character.toUpperCase(chars[0]);
        return new String(chars);
    }
    /**
     * Get method with given name and parameter types or return null if it does
     * not exist
     * 
     * @param clazz
     * @param name
     * @param parameterTypes
     * @return
     */
    public static Method getMethod(Class<?> clazz, String name,
            Class<?>... parameterTypes) {
        try {
            return clazz.getMethod(name, parameterTypes);
        } catch (SecurityException e) {
            return null;
        } catch (NoSuchMethodException e) {
            return null;
        }
    }
}

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