ptolemy.data.expr
Class XMLParser

java.lang.Object
  ptolemy.data.expr.XMLParser

public class XMLParser
extends java.lang.Object

This class parses a XML string token to a DOM document.

Since:

Ptolemy II 4.0

Version:

$Id: XMLParser.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Yang Zhao

Accepted Rating:

Yellow (yuhong)

Proposed Rating:

Yellow (nsmyth)

Nested Class Summary

static class

XMLParser.EntityResolver The entity resolver that tries to first load a DTD file locally, and if it is not found, looks for it on the Internet using the DTD file's system ID.

Field Summary

private javax.xml.parsers.DocumentBuilder	_documentBuilder
private javax.xml.parsers.DocumentBuilderFactory	_documentBuilderFactory

Constructor Summary

XMLParser()

Method Summary

org.w3c.dom.Document	parser(java.io.InputStream is) Generate the document tree for the specified input stream.
org.w3c.dom.Document	parser(java.lang.String str) Generate the document tree for the specified XML string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_documentBuilderFactory

private javax.xml.parsers.DocumentBuilderFactory _documentBuilderFactory

_documentBuilder

private javax.xml.parsers.DocumentBuilder _documentBuilder

Constructor Detail

XMLParser

public XMLParser()
          throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

parser

public org.w3c.dom.Document parser(java.lang.String str)
                            throws java.lang.Exception

Generate the document tree for the specified XML string. The Document (the root of the document tree) is returned. An exception will be thrown if the parse fails.

Parameters:

str - The XML string to be parsed.

Returns:

The document for the parse tree.

Throws:

java.lang.Exception - If the parse fails.

parser

public org.w3c.dom.Document parser(java.io.InputStream is)
                            throws java.lang.Exception

Generate the document tree for the specified input stream. The Document (the root of the document tree) is returned. An exception will be thrown if the parse fails.

Parameters:

is - The input steam to be parsed.

Returns:

The document for the parse tree.

Throws:

java.lang.Exception - If the parse fails.