Transform the XML data into JSON format using XSLT

I need help transferring XML data into JSON using XSLT.

The desired JSON output is as follows:

 callback( {"xml":
 <?xml version="1.0" encoding="UTF-8"?>
 <root>
 ...
 </root>
 "} )

Here is my current XSLT code:

 <xsl:template match="/">
   <xsl:text>callback( {"xml":"</xsl:text>
    <xsl:copy-of  select="*"/>
   <xsl:text>"} )</xsl:text>
 </xsl:template>

Can someone advise on what other characters, besides quotes, I need to replace and how to go about it? I am hoping to load and interpret the XML file using Javascript.

Thank you,
Ralph

Answer №1

Utilizing JavaScript for this task is significantly more convenient compared to relying solely on XSLT. This is mainly due to the fact that the final grammar does not adhere to XML standards, and there is a slim chance that you are manipulating anything beyond basic syntax.

If all you are doing is manipulating syntax without touching the actual data, then it can be classified as a syntax-only translation. XSLT was not originally intended for this purpose. Since all XML technologies share a standard syntax, translating syntax is not a major concern when converting data from one XML format to another. Moreover, this task is relatively straightforward.

What you will require are the following components: a string literal representing your JavaScript code, an array or object literal index preceding the data element, fetching the data element using innerHTML of the document.getElementsByTagName array, and finally incorporating a bit of JavaScript to complete the code for the array or object literal index. You can iterate through each XML element using a loop and construct a string literal that mirrors the required JavaScript code to build each index of your JSON object. Once you have completed this step, append the necessary starting and ending components to the dynamically generated code to finalize the syntax. This process should be completed swiftly.

Answer №2

If you're looking to convert XML to JSON, consider utilizing the xml2json XSLT code which is open source. Alternatively, you have the option to create your own code if you find the existing code to be insufficient. It appears that the code in the project linked below may not fully support attributes (you can specify how you want them to be included in your JSON output).

Explore the xml2json XSLT code here: http://code.google.com/p/xml2json-xslt/ 

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