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Commons Beanutils example source code file (PropsFirstPropertyUtilsBean.java)

This example Commons Beanutils source code file (PropsFirstPropertyUtilsBean.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Beanutils tags/keywords

bean, illegalaccessexception, invocationtargetexception, invocationtargetexception, javabean, nosuchmethodexception, nosuchmethodexception, object, object, propertydescriptor, propertyutilsbean, propsfirstpropertyutilsbean, propsfirstpropertyutilsbean, reflection, string, util

The Commons Beanutils PropsFirstPropertyUtilsBean.java source code

/*
 * 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 org.apache.commons.beanutils;

import java.util.Map;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;

/**
 * A PropertyUtilsBean which customises the behaviour of the
 * setNestedProperty and getNestedProperty methods to look for
 * simple properties in preference to map entries.
 */
public class PropsFirstPropertyUtilsBean extends PropertyUtilsBean {

    public PropsFirstPropertyUtilsBean() {
        super();
    }
    
    /**
     * Note: this is a *very rough* override of this method. In particular,
     * it does not handle MAPPED_DELIM and INDEXED_DELIM chars in the
     * propertyName, so propertyNames like "a(b)" or "a[3]" will not
     * be correctly handled.
     */
    protected Object getPropertyOfMapBean(Map bean, String propertyName)
    throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        
        PropertyDescriptor descriptor = getPropertyDescriptor(bean, propertyName);
        if (descriptor == null) {
            // no simple property exists so return the value from the map
            return bean.get(propertyName);
        } else {
            // a simple property exists so return its value instead.
            return getSimpleProperty(bean, propertyName);
        }
    }

    /**
     * Note: this is a *very rough* override of this method. In particular,
     * it does not handle MAPPED_DELIM and INDEXED_DELIM chars in the
     * propertyName, so propertyNames like "a(b)" or "a[3]" will not
     * be correctly handled.
     */
    protected void setPropertyOfMapBean(Map bean, String propertyName, Object value)
        throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        PropertyDescriptor descriptor = getPropertyDescriptor(bean, propertyName);
        if (descriptor == null) {
            // no simple property exists so put the value into the map
            bean.put(propertyName, value);
        } else {
            // a simple property exists so set that instead.
            setSimpleProperty(bean, propertyName, value);
        }
    }
}

Other Commons Beanutils examples (source code examples)

Here is a short list of links related to this Commons Beanutils PropsFirstPropertyUtilsBean.java source code file:

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