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For more information, see Annotations in the API.
There is a script one piece of code that converts the Java annotations to XML output. Then there is a Java program another piece of code that takes in the xml XML for the table of contents as well as each command, and generates the required html HTML documents which we upload to our website.
The API doc building script is located at:
setup/apidoc/build-apidoc.sh
It calls the following to create intermediate XML output:
server/src/com/cloud/api/doc/ApiXmlDocWriter.java
After creating the XML files with ApiXmlDocWriter, the script calls the following:
setup/apidoc/XmlToHtmlConverter.java
This XmlToHtmlConverter uses a series of .xsl transforms (aka style sheets) to convert the XML to HTML. Those .xsl’s are all stored in:
setup/apidoc/*.xsl
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There is a "diff.txt" file which is auto-generated. This lists all added, removed, and changed API commands versus the prior point release of CloudStack.