pretty-print-xml-string-with-jdom.cfml

<cffunction name="prettyXml">

    <cfargument name="xml" required="yes" type="string" />

    <!--- initialize sax builder --->
    <cfset builder = createObject("java", "org.jdom.input.SAXBuilder").init()>   
    <!--- initialize the formatter --->
    <cfset format = createObject("java", "org.jdom.output.Format").getPrettyFormat()>
    <!--- initialize the outputer --->
    <cfset out = createObject("java", "org.jdom.output.XMLOutputter").init(format)>
    <!--- even though we've already converted to a string, it's not stringy enough for Java until we do this --->
    <cfset xmlstring = createObject("java", "java.io.StringReader").init(xml)>
    <cfset document = builder.build(xmlstring)>
    <cfset prettyxml = out.outputString(document)>
    
     <cfreturn prettyxml>

</cffunction>

pretty-print-xml-with-jdom.cfml

<cffunction name="prettyXml">

	<cfargument name="xml" required="yes" type="any" />

	<cfscript>

		if (isSimpleValue(xml)) {

			// A string was sent in, we need to parse it into a JDOM Node before outputting it
		
			// initialize sax builder
			builder = createObject("java", "org.jdom.input.SAXBuilder").init();
	
			// even though we've already converted to a string, it's not stringy enough for Java until we do this	
			xmlstring = createObject("java", "java.io.StringReader").init(xml);
			
			// convert
			node = builder.build(xmlstring);
	
		} else {
	
			/* A ColdFusion XML object was sent in, which can be converted into a JDOM Node
			   This is faster than parsing a string */
	
			// initialize DOM builder
			builder = createObject("java", "org.jdom.input.DOMBuilder").init();
		
			// convert
			node = builder.build(xml);
		
		}

		// initialize the formatter
		format = createObject("java", "org.jdom.output.Format").getPrettyFormat();

		// initialize the outputter
		out = createObject("java", "org.jdom.output.XMLOutputter").init(format);

		// output the node as a pretty-printed string
		prettyxml = out.outputString(node);
	
		return prettyxml;

	</cfscript>

</cffunction>

pretty-printing-xml-with-jdom.groovy

import org.jdom.input.SAXBuilder
import org.jdom.output.Format
import org.jdom.output.XMLOutputter

docString = '<foo><message>happy hanukkah!</message></foo>'

doc = new SAXBuilder().build(new StringReader(docString))

outputter = new XMLOutputter(Format.getPrettyFormat())

docString = outputter.outputString(doc)

replace-form-element-with-jdom.groovy

// assumes we already have a builder and the new Form element XML in a variable named newFormString

new_form_doc = builder.build(newFormString)

new_form_element = new_form_doc.getRootElement()

// assumes session.product is a JDOM document. If it isn't, then convert it.

product_root = session.product.getRootElement()

old_form_element = product_root.getChild("InputForm")

old_form_element_index = product_root.indexOf(old_form_element)

product_root.removeChild("InputForm")

product_root.addContent(old_form_element_index, new_form_element.detach())