Simple Data Mapping utility that lets developers map between data structures and formats using Groovy Builder syntax.

GroovyMap.groovy

package au.com.sixtree.esb.mapper

import au.com.sixtree.esb.mapper.GroovyMap;
import au.com.sixtree.esb.mapper.DOMBuilder;
import groovy.json.JsonBuilder
import groovy.xml.MarkupBuilder
import groovy.xml.NamespaceBuilder;
import groovy.xml.XmlUtil


/**
 * Data Mapping utility that lets developers map between data structures and formats using Groovy Builder syntax.
 */
class GroovyMap {
	
	private Object[] inputs
	private BuilderSupport builder
	private Object[] helpers
	private Closure mapping
	private Closure outputSerialiser
	
	private GroovyMap(Object[] inputs, BuilderSupport builder, Object[] helpers, Closure mapping, Closure outputSerialiser) {
		this.inputs = inputs
		this.builder = builder
		this.helpers = helpers
		this.mapping = mapping
		this.mapping.delegate = this
		this.outputSerialiser = outputSerialiser
		this.outputSerialiser.delegate = this
	}
	
	public Object map() {
		return outputSerialiser.call(mapping.call())
	}
	
	public static GroovyMap toXmlDom(Object[] inputs, Object[] helpers, Closure mapping) {
		def domBuilder = DOMBuilder.newInstance()
		return new GroovyMap(inputs, NamespaceBuilder.newInstance(domBuilder), helpers, mapping, { it.getOwnerDocument() })
	}
	
	public static GroovyMap toXmlDom(Object input, Closure mapping) {
		return toXmlDom([input] as Object[], null,  mapping)
	}

}