robvalk

package com.sample.xslt;

import java.util.Random;

import net.sf.saxon.s9api.ExtensionFunction;
import net.sf.saxon.s9api.ItemType;
import net.sf.saxon.s9api.OccurrenceIndicator;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.SequenceType;

robvalk

import org.mule.api.MuleEventContext;
import org.mule.api.lifecycle.Callable;
import org.mule.api.transport.PropertyScope;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.ldap.userdetails.LdapUserDetailsImpl;

public class UserACLExtractor implements Callable {

  private static final Logger log = LoggerFactory.getLogger(UserACLExtractor.class);

robvalk

import org.mule.api.transport.OutputHandler

// store the current payload at the time the script is invoked 
// (i.e. the back-end response stream/iterator)
def itr = payload;

// return a Groovy closure / lambda
return {evt, out ->

  // define a stream XML builder object

robvalk

/*
 * 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.api.transport;

import org.mule.api.MuleEvent;

robvalk

// no need to use builder here, just raw Groovy map syntax

//get DOMCategory to get access to GPATH style operations like getNode getNodeAt etc.
import au.com.sixtree.java.esb.mapper.DOMCategory;

//declare a java.util.Map to hold results
def result = [:]
//get input root element
def _in = payload.documentElement
use(DOMCategory) {

robvalk

//import GroovyMap to get a handle to the transformation method - toXmlDom()
import au.com.sixtree.esb.mapper.GroovyMap
//DOMCategory to get us xpath style operations eg.getNode, getAttributes while traversing through the xml
import au.com.sixtree.java.esb.mapper.DOMCategory
import groovy.xml.XmlUtil;

//import static codeset cross-referencing helper class, see below for lookups
import au.com.sixtree.java.esb.mapper.ValueCrossReferenceHelper;

return GroovyMap.toXmlDom(payload) {

robvalk

//import the GroovyMap
import au.com.sixtree.esb.mapper.GroovyMap
//We have a customized version of DOMCategory helper class, this provides us with xpath like features to access elements
//The default version involves a slightly different syntax.
import au.com.sixtree.java.esb.mapper.DOMCategory

//GroovyMap's toXMLDom() method takes input as the root/documentElement of the XML tree, type @Element
//very similar to accessing the root element in Java - payload.getDocumentElement()
return GroovyMap.toXmlDom(payload.documentElement) {
	//inputs is a list of input arguments

robvalk

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

robvalk

// given
public abstract class Safely<R, V> {

  public final V from(R root) {
    try{
      return access(root)
    } catch(NullPointerException npe) {
      return null;
    }
  }