Commons JXPath example source code file (VariableFactory.java)

This example Commons JXPath source code file (VariableFactory.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 JXPath tags/keywords

abstractfactory, abstractfactory, jxpathcontext, object, object, pointer, string, string, testbean, testbean, value1, variablefactory

The Commons JXPath VariableFactory.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.jxpath.ri.compiler;

import org.apache.commons.jxpath.AbstractFactory;
import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.Pointer;
import org.apache.commons.jxpath.TestBean;

/**
 * Test AbstractFactory.
 *
 * @author Dmitri Plotnikov
 * @version $Revision: 480417 $ $Date: 2006-11-28 23:37:40 -0600 (Tue, 28 Nov 2006) $
 */
public class VariableFactory extends AbstractFactory {

    /**
     */
    public boolean createObject(
        JXPathContext context,
        Pointer pointer,
        Object parent,
        String name,
        int index) 
    {
        if (name.equals("testArray")) {
            ((TestBean[]) parent)[index] = new TestBean();
            return true;
        }
        else if (name.equals("stringArray")) {
            ((String[]) parent)[index] = "";
            return true;
        }
        else if (name.equals("array")) {
            ((String[]) parent)[index] = "";
            return true;
        }
        return false;
    }

    /**
     * Create a new object and set it on the specified variable
     */
    public boolean declareVariable(JXPathContext context, String name) {
        if (name.equals("test")) {
            context.getVariables().declareVariable(name, new TestBean());
            return true;
        }
        else if (name.equals("testArray")) {
            context.getVariables().declareVariable(name, new TestBean[0]);
            return true;
        }
        else if (name.equals("stringArray")) {
            context.getVariables().declareVariable(
                name,
                new String[] { "Value1" });
            return true;
        }
        context.getVariables().declareVariable(name, null);
        return true;
    }
}