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  4. A Crazy Fast Way to Convert XML to JSON

A Crazy Fast Way to Convert XML to JSON

Dejan Bosanac user avatar by
Dejan Bosanac
·
Sep. 19, 12 · Interview
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While working on Jettison, I often need to convert XML to JSON. Here’s a simple method that uses XStream and Jettison:

import java.io.StringReader;
import java.io.StringWriter;

import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.copy.HierarchicalStreamCopier;
import com.thoughtworks.xstream.io.json.JettisonMappedXmlDriver;
import com.thoughtworks.xstream.io.xml.XppReader;

public class Test {

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

		String xml = "ToveJaniReminder" +
				"Don't forget me this weekend!";

        HierarchicalStreamReader sourceReader = new XppReader(new StringReader(xml));

        StringWriter buffer = new StringWriter();
        JettisonMappedXmlDriver jettisonDriver = new JettisonMappedXmlDriver();
        jettisonDriver.createWriter(buffer);
        HierarchicalStreamWriter destinationWriter = jettisonDriver.createWriter(buffer);

        HierarchicalStreamCopier copier = new HierarchicalStreamCopier();
        copier.copy(sourceReader, destinationWriter);

        System.out.println(buffer.toString());
	}

}

All conversion problems like lists representation are handled by Jetttison. This example uses Mapped convention, but of course, BadgerFish notation can be used as well.

 

XML JSON Convert (command)

Published at DZone with permission of Dejan Bosanac, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

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