Return the named getter method on the bean or null if not found. - Java Reflection

Java examples for Reflection:Java Bean

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Description

Return the named getter method on the bean or null if not found.

Demo Code

/*/* ww  w.j  a v a  2  s .co  m*/
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
//package com.java2s;

import java.lang.reflect.Method;

public class Main {


    /**
     * Return the named getter method on the bean or null if not found.
     *
     * @param bean The bean
     * @param propertyName The property to get the getter for
     *
     * @return the named getter method
     */
    private static Method getMethod(Object bean, String propertyName) {
        final StringBuilder sb = new StringBuilder("get").append(Character
                .toUpperCase(propertyName.charAt(0)));
        if (propertyName.length() > 1) {
            sb.append(propertyName.substring(1));
        }
        final String getterName = sb.toString();
        for (Method m : bean.getClass().getMethods()) {
            if (getterName.equals(m.getName())
                    && m.getParameterTypes().length == 0) {
                return m;
            }
        }
        return null;
    }
}

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