org.directwebremoting.datasync.AttributeValueExtractor Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of dwr Show documentation

DWR is easy Ajax for Java. It makes it simple to call Java code directly from Javascript. It gets rid of almost all the boiler plate code between the web browser and your Java code.

The newest version!

/*
 * Copyright 2005 Joe Walker
 *
 * 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.
 */
package org.directwebremoting.datasync;

/**
 * There are many ways to get a property from things, the most obvious would
 * be reflection or introspection or using {@link java.util.Map#get}. This
 * interface allows us to abstract the options.
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public interface AttributeValueExtractor
{
    /**
     * Get an attribute/property from a bean.
     * @param bean The object to read an attribute/property from.
     * @param property The attribute/property to read.
     * @return The value of the returned object or null if it could not be
     * found.
     */
    public Object getValue(Object bean, String property);
}