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Struts example source code file (ObjectProxyPropertyAccessor.java)

This example Struts source code file (ObjectProxyPropertyAccessor.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 - Struts tags/keywords

file, file, object, object, objectproxy, objectproxy, objectproxypropertyaccessor, ognlexception, ognlexception, propertyaccessor, settings, string, templates, to, util

The Struts ObjectProxyPropertyAccessor.java source code

/*
 * Copyright 2002-2006,2009 The Apache Software Foundation.
 * 
 * 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 com.opensymphony.xwork2.ognl.accessor;

import com.opensymphony.xwork2.ognl.ObjectProxy;
import com.opensymphony.xwork2.util.reflection.ReflectionContextState;
import ognl.OgnlException;
import ognl.OgnlRuntime;
import ognl.PropertyAccessor;
import ognl.OgnlContext;

import java.util.Map;

/**
 * Is able to access (set/get) properties on a given object.
 * <p/>
 * Uses Ognl internal.
 *
 * @author Gabe
 */
public class ObjectProxyPropertyAccessor implements PropertyAccessor {

    /**
     * Used by OGNl to generate bytecode
     */
    public String getSourceAccessor(OgnlContext context, Object target, Object index) {
        return null;  //To change body of implemented methods use File | Settings | File Templates.
    }

    /**
     * Used by OGNl to generate bytecode
     */
    public String getSourceSetter(OgnlContext context, Object target, Object index) {
        return null;  
    }

    public Object getProperty(Map context, Object target, Object name) throws OgnlException {
        ObjectProxy proxy = (ObjectProxy) target;
        setupContext(context, proxy);

        return OgnlRuntime.getPropertyAccessor(proxy.getValue().getClass()).getProperty(context, target, name);

    }

    public void setProperty(Map context, Object target, Object name, Object value) throws OgnlException {
        ObjectProxy proxy = (ObjectProxy) target;
        setupContext(context, proxy);

        OgnlRuntime.getPropertyAccessor(proxy.getValue().getClass()).setProperty(context, target, name, value);
    }

    /**
     * Sets up the context with the last property and last class
     * accessed.
     *
     * @param context
     * @param proxy
     */
    private void setupContext(Map context, ObjectProxy proxy) {
        ReflectionContextState.setLastBeanClassAccessed(context, proxy.getLastClassAccessed());
        ReflectionContextState.setLastBeanPropertyAccessed(context, proxy.getLastPropertyAccessed());
    }
}

Other Struts examples (source code examples)

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