Converting XML to an HTML-String using XSLT in Java

Question

I can now generate an HTML file using the code:

FileInputStream xml = new FileInputStream("original.xml");  
FileInputStream xsl = new FileInputStream("converter.xsl");
FileOutputStream out = new FileOutputStream("result.html");

Source xmlDoc =  new StreamSource(xml);
Source xslDoc =  new StreamSource(xsl);
Result result =  new StreamResult(out);

TransformerFactory factory = TransformerFactory.newInstance();            
Transformer trans = factory.newTransformer(xslDoc);
trans.transform(xmlDoc, result);

However, I want to generate a Java String instead of an external HTML file, so that I can pass the result back to my JSP page by Ajax callback. How can I modify this code to do that?

There's nothing in your code that specifies that HTML is what comes out (except perhaps the name of the output file). It all comes down to the XSL file - what it converts your XML into. With a different XSL file, this could generate something completely different. — Dawood ibn Kareem
– Dawood ibn Kareem, Commented Feb 9, 2014 at 21:06
@DavidWallace Well that's true. What I'm wondering about is how to replace that FileOutputStream with some String thing. It seems that the construction of StreamResult is very restricted. — goldfrapp04
– goldfrapp04, Commented Feb 9, 2014 at 21:12
@goldfrapp04: Have you tried the ByteArrayOutputStream below? — chris.tian
– chris.tian, Commented Feb 9, 2014 at 21:13

Dawood ibn Kareem · Accepted Answer · 2014-02-09 21:18:36Z

2

Replace the FileOutputStream with a StringWriter, then call toString() on the StringWriter at the end. Something like this.

FileInputStream xml = new FileInputStream("original.xml");  
FileInputStream xsl = new FileInputStream("converter.xsl");
StringWriter writer = new StringWriter();

Source xmlDoc =  new StreamSource(xml);
Source xslDoc =  new StreamSource(xsl);
Result result =  new StreamResult(writer);

TransformerFactory factory = TransformerFactory.newInstance();            
Transformer trans = factory.newTransformer(xslDoc);
trans.transform(xmlDoc, result); 

String outputString = writer.toString();

answered Feb 9, 2014 at 21:18

Dawood ibn Kareem

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Comments

chris.tian · Accepted Answer · 2014-02-09 21:10:45Z

0

Simply change the type of variable out to ByteArrayOutputStream

ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.toString() // Should do the job

answered Feb 9, 2014 at 21:10

chris.tian

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