ReflectionHelper.java Source code

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Here is the source code for ReflectionHelper.java

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// $Id: ReflectionHelper.java 16271 2009-04-07 20:20:12Z hardy.ferentschik $
/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.beans.Introspector;
import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.WildcardType;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * Some reflection utility methods.
 *
 * @author Hardy Ferentschik
 */
public class ReflectionHelper {

    /**
     * Process bean properties getter by applying the JavaBean naming conventions.
     *
     * @param member the member for which to get the property name.
     *
     * @return The bean method name with the "is" or "get" prefix stripped off, <code>null</code>
     *         the method name id not according to the JavaBeans standard.
     */
    public static String getPropertyName(Member member) {
        String name = null;

        if (member instanceof Field) {
            name = member.getName();
        }

        if (member instanceof Method) {
            String methodName = member.getName();
            if (methodName.startsWith("is")) {
                name = Introspector.decapitalize(methodName.substring(2));
            } else if (methodName.startsWith("get")) {
                name = Introspector.decapitalize(methodName.substring(3));
            }
        }
        return name;
    }

}