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Mule Builder for use with Spring 2.X Namespace based XML configuration.

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/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.config.spring.parsers.generic;

import org.mule.config.spring.parsers.assembly.BeanAssembler;
import org.mule.util.StringUtils;

import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

/**
 * Grabs the text from an element and injects it into the parent, for example:
 * 
 * 
 *   A bunch of text.
 * 
 * 
 *   registerBeanDefinitionParser("foo", new OrphanDefinitionParser(Foo.class));
 *   registerBeanDefinitionParser("bar-text", new TextDefinitionParser("barText"));
 * 
 * will result in a call to Foo.setBarText("A bunch of text.")
 */
public class TextDefinitionParser extends ChildDefinitionParser
{
    private boolean requireCdata = false;

    public TextDefinitionParser(String setterMethod)
    {
        super(setterMethod, String.class);
    }

    public TextDefinitionParser(String setterMethod, boolean requireCdata)
    {
        super(setterMethod, String.class);
        this.requireCdata = requireCdata;
    }

    @Override
    protected void postProcess(ParserContext context, BeanAssembler assembler, Element element)
    {        
        Node node = element.getFirstChild();

        if (requireCdata && node.getNodeType() != Node.CDATA_SECTION_NODE)
        {
            node = node.getNextSibling();
            if (node == null)
            {
                throw new IllegalArgumentException("No CDATA node found in " + element.getNodeName());
            }
            else if (node.getNodeType() != Node.CDATA_SECTION_NODE)
            {
                throw new IllegalArgumentException("Sibling node is not a CDATA section, but one should be defined. Elements is " + element.getNodeName());
            }
        }
        if (node != null)
        {
            String value = node.getNodeValue();
            if (!StringUtils.isBlank(value))
            {
                assembler.getTarget().getPropertyValues().addPropertyValue(setterMethod, value);
            }
        }
    }
}