Write an XML file

/*

 * Copyright (c) 2006-2011 North Concepts Inc.  All rights reserved.

 * Proprietary and Confidential.  Use is subject to license terms.

 *

 * http://northconcepts.com/data-pipeline/licensing/

 *

 */

package com.northconcepts.datapipeline.examples.cookbook;



import java.io.FileWriter;



import com.northconcepts.datapipeline.core.Record;

import com.northconcepts.datapipeline.core.RecordList;

import com.northconcepts.datapipeline.job.JobTemplate;

import com.northconcepts.datapipeline.memory.MemoryReader;

import com.northconcepts.datapipeline.xml.XmlWriter;

import com.northconcepts.datapipeline.xml.builder.XmlElement;

import com.northconcepts.datapipeline.xml.builder.XmlNodeContainer;

import com.northconcepts.datapipeline.xml.builder.XmlTemplate;



public class WriteAnXmlFile {

  

  

/* Produces the following XML (line breaks added for clarity)

  

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<actors>

  <north-america>

    <actor stage-name="John Wayne" real-name="Marion Robert Morrison">

      <gender>male</gender>

      <city>Winterset</city>

      <balance>156.35</balance>

    </actor>

    <actor stage-name="Spiderman" real-name="Peter Parker">

      <gender>male</gender>

      <city>New York</city>

    </actor>

  </north-america>

</actors>



*/



    public static void main(String[] args) throws Throwable {



        Record record1 = new Record();

        record1.getField("stageName", true).setValue("John Wayne");

        record1.getField("realName", true).setValue("Marion Robert Morrison");

        record1.getField("gender", true).setValue("male");

        record1.getField("city", true).setValue("Winterset");

        record1.getField("balance", true).setValue(156.35);



        Record record2 = new Record();

        record2.getField("stageName", true).setValue("Spiderman");

        record2.getField("realName", true).setValue("Peter Parker");

        record2.getField("gender", true).setValue("male");

        record2.getField("city", true).setValue("New York");

        record2.getField("balance", true).setValue(-0.96);

               

        MemoryReader reader = new MemoryReader(new RecordList(record1, record2));

        

        

        // create the XML template

        // arguments to element(), attribute(), text(), and when() are expressions

        // literal strings must be quoted 

    XmlTemplate template = new XmlTemplate();

    template.setDeclaration("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>");

    

    // detail() marks the node where records are added

    XmlNodeContainer detailElement = template.element("'actors'").element("'north-america'").detail();

    

    XmlElement actor = detailElement.element("'actor'");

    actor.attribute("'stage-name'", "stageName").attribute("'real-name'", "realName");

    actor.element("'gender'").text("gender");

    actor.element("'city'").text("city");

    actor.when("balance >= 0").element("'balance'").text("balance");  // add this branch when balance is not negative



        // add the template to the writer

        XmlWriter writer = new XmlWriter(template, new FileWriter("example/data/output/credit-balance-03.xml"));

        

        JobTemplate.DEFAULT.transfer(reader, writer);

    }



}
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