XML Overview

What is XML?

XML is a simple text based language which was designed to store and transport data in plain text format. It stands for Extensible Markup Language. Following are some of the salient features of XML.

Apache Xerces - Environment Setup

This chapter takes you through the process of setting up Apache Xerces on Windows and Linux based systems. Apache Xerces can be easily installed and integrated with your current Java environment following a few simple steps without any complex setup procedures. User administration is required while installation.

Apache Xerces XML Parsers

What is Apache Xerces2?

Xerces2 is a java based processor and provides standard interfaces and implementations for following XML parsing API standards:

Apache Xerces - DOM Parser Overview

The Document Object Model is an official recommendation of the World Wide Web Consortium (W3C). It defines an interface that enables programs to access and update the style, structure,and contents of XML documents. XML parsers that support the DOM implement that interface.

Apache Xerces DOM Parser - Parse XML Document

Steps to Using DOM

Following are the steps used while parsing a document using DOM Parser.

• Import XML-related packages.
• Create a DocumentBuilder
• Create a Document from a file or stream
• Extract the root element
• Examine attributes
• Examine sub-elements
  

Apache Xerces Parser - Query XML Document

Demo Example

Here is the input xml file we need to query:

<?xml version="1.0"?>
<cars>
   <supercars company="Ferrari">

Apache Xerces Parser - Create XML Document

Demo Example

Here is the XML we need to create:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<cars><supercars company="Ferrari">

Apache Xerces DOM Parser - Modify XML Document

Demo Example

Here is the input xml file we need to modify:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<cars>

Apache Xerces SAX Parser - Overview

SAX (the Simple API for XML) is an event-based parser for xml documents.Unlike a DOM parser, a SAX parser creates no parse tree. SAX is a streaming interface for XML, which means that applications using SAX receive event notifications about the XML document being processed an element,

Apache Xerces SAX Parser - Parse XML Document

Demo Example

Here is the input xml file we need to parse:

<?xml version="1.0"?>
<class>
   <student rollno="393">

Apache Xerces SAX Parser - Query XML Document

Demo Example

Here is the input text file we need to Query for rollno: 393

<?xml version="1.0"?>
<class>
   <student rollno="393">

Apache Xerces SAX Parser - Create XML Document

It is better to use StAX parser for creating XML than using SAX parser. Please refer the Java StAX Parser section for the same.

Apache Xerces SAX Parser - Modify XML Document

Demo Example

Here is the input xml file we need to Modify by appending <Result>Pass<Result/>
at the end of </marks> tag

<?xml version="1.0"?>
<class>

Apache Xerces StAX Parser - Overview

StAX is a JAVA based API to parse XML document in a similar way as SAX parser does. But there are two major difference between the two APIs

Apache Xerces StAX Parser - Parse XML Document

Demo Example

Here is the input xml file we need to parse:

<?xml version="1.0"?>
<class>
   <student rollno="393">

Apache Xerces StAX Parser - Query XML Document

Demo Example

Here is the input xml file we need to parse:

<?xml version="1.0"?>
<class>
   <student rollno="393">

Apache Xerces StAX Parser - Create XML Document

Demo Example

Here is the XML we need to create:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<cars><supercars company="Ferrari">

Apache Xerces StAX Parser - Modify XML Document

Demo Example

In order to run this example, you should have jdom.jar in your application's classpath. Download jdom-2.0.5.zip.
Here is the XML we need to modify:

<?xml version="1.0"?>
<class>

Apache Xerces - Quick Guide

What is XML?

XML is a simple text based language which was designed to store and transport data in plain text format. It stands for Extensible Markup Language. Following are some of the salient features of XML.

Apache Xerces XML Useful Resources

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