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xml-jaxp: Upload and Parse an XML File Using DOM or SAX

The xml-jaxp quickstart demonstrates how to use Servlet and JSF to upload an XML file to {productName} and validate and parse it using DOM or SAX.

What is it?

The xml-jaxp quickstart is a simple Jakarta EE JAXP example that demonstrates how to use Servlet 3.0 and JSF to upload an XML file to {productNameFull} and parse it using DOM or SAX, both of which are built into Java. It also shows how to use modules available in {productName}.

This quickstart provides an example XML schema and document file to use when testing this quickstart.

  • The XML schema is located here: QUICKSTART_HOME/src/main/resources/catalog.xsd

  • The XML document is located here: QUICKSTART_HOME/src/main/resources/catalog.xml

Access the Application

The application will be running at the following URL: http://localhost:8080/{artifactId}/.

To test the quickstart, follow these steps.

  1. Click the Browse button and navigate to the QUICKSTART_HOME/src/main/resources/catalog.xml file.

  2. Click the Upload button. The XML file content is parsed and displayed on the page.

  3. You should see the following output in the server console that shows the DOMXMLParser was used:

    INFO  [stdout] (http-/127.0.0.1:8080-1) Parsing the document using the DOMXMLParser!

To enable the alternative SAXXMLParser parser:

  1. Remove the comments that surround the alternate parser element in the WEB-INF/beans.xml file.

  2. Redeploy the application using the instructions above and access the application in a browser at the following URL: http://localhost:8080/{artifactId}/.

  3. Click the Browse button and navigate to the QUICKSTART_HOME/src/main/resources/catalog.xml file.

  4. Click the Upload button. The XML file content is parsed and displayed on the page.

  5. You should now see following output in the server console:

    INFO  [stdout] (http-/127.0.0.1:8080-1) Parsing the document using the SAXXMLParser!