Package com.microstar.xml.demo

Class DtdDemo

java.lang.Object

com.microstar.xml.demo.XmlApp

com.microstar.xml.demo.DtdDemo

All Implemented Interfaces:

XmlHandler

public class DtdDemo
extends XmlApp

Demonstration application showing DTD queries.

Usage: java DtdDemo <url>

Or, use it as an applet, supplying the URL as the url parameter.

Note: This does not preserve any processing instructions or parameter entities in the DTD; otherwise, produces a fully expanded and normalised version.

Since:

Ptolemy II 0.2

Version:

1.1

Author:

Copyright (c) 1997, 1998 by Microstar Software Ltd.;, written by David Megginson <dmeggins@microstar.com>

See Also:

XmlParser, XmlHandler, XmlApp

Field Summary

Fields inherited from class com.microstar.xml.demo.XmlApp

isApplet, parser

Constructor Summary

Constructors

Constructor	Description
DtdDemo()

Method Summary

Modifier and Type	Method	Description
void	doctypeDecl(java.lang.String name, java.lang.String pubid, java.lang.String sysid)	Dump the DTD.
void	dumpAttributes(java.lang.String elname)	Dump attributes for an element.
void	dumpElements()	Produce normalised declarations for all elements.
void	dumpEntities()	Produce normalised declarations for all general entities.
void	dumpNotations()	Produce normalised declarations for all notations.
void	endDocument(int errorCount)	Print a comment showing where the DTD (if any) ends.
static void	main(java.lang.String[] args)	Entry point for an application (applets enter through XmlApp.init()).
java.lang.String	makeAttributeType(java.lang.String elname, java.lang.String aname)	Generate the attribute type as a normalised string.
java.lang.String	makeAttributeValue(java.lang.String elname, java.lang.String aname)	Generate a full attribute default value.
java.lang.String	makeExternalIdentifiers(java.lang.String pubid, java.lang.String sysid)	Construct a string equivalent of external identifiers.
java.lang.String	makeLiteral(java.lang.String data)	Quote a literal, and escape any '"' or non-ASCII characters within it.
void	startDocument()	Print a comment showing where the DTD (if any) begins.

Methods inherited from class com.microstar.xml.demo.XmlApp

attribute, charData, endDocument, endElement, endExternalEntity, error, ignorableWhitespace, processingInstruction, resolveEntity, startElement, startExternalEntity

Methods inherited from class java.lang.Object

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

Constructor Detail

DtdDemo

public DtdDemo()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Entry point for an application (applets enter through XmlApp.init()).

Parameters:

args - The arguments. The first argument should be the uri

Throws:

java.lang.Exception - If the parse fails

See Also:

XmlApp

startDocument

public void startDocument()

Print a comment showing where the DTD (if any) begins.

Specified by:

startDocument in interface XmlHandler

Overrides:

startDocument in class XmlApp

See Also:

XmlHandler.startDocument()

endDocument

public void endDocument(int errorCount)

Print a comment showing where the DTD (if any) ends.

Parameters:

errorCount - Ignored in this method.

doctypeDecl

public void doctypeDecl(java.lang.String name,
                        java.lang.String pubid,
                        java.lang.String sysid)

Dump the DTD.

Once this event is received, we know that the DTD is completely parsed, and can use AElfred's query routines to reconstruct a normalised version of it.

Specified by:

doctypeDecl in interface XmlHandler

Overrides:

doctypeDecl in class XmlApp

Parameters:

name - The document type name.

pubid - The public identifier, or null if unspecified.

sysid - The system identifier, or null if unspecified.

See Also:

dumpNotations(), dumpEntities(), dumpElements()

dumpNotations

public void dumpNotations()

Produce normalised declarations for all notations.

See Also:

makeExternalIdentifiers(java.lang.String, java.lang.String)

dumpEntities

public void dumpEntities()

Produce normalised declarations for all general entities.

See Also:

makeLiteral(java.lang.String), makeExternalIdentifiers(java.lang.String, java.lang.String)

dumpElements

public void dumpElements()

Produce normalised declarations for all elements.

See Also:

dumpAttributes(java.lang.String)

dumpAttributes

public void dumpAttributes(java.lang.String elname)

Dump attributes for an element.

Parameters:

elname - The element name.

See Also:

makeAttributeType(java.lang.String, java.lang.String), makeAttributeValue(java.lang.String, java.lang.String)

makeAttributeType

public java.lang.String makeAttributeType(java.lang.String elname,
                                          java.lang.String aname)

Generate the attribute type as a normalised string.

Parameters:

elname - The element name.

aname - The attribute name.

Returns:

The attribute type as a normalised string.

makeAttributeValue

public java.lang.String makeAttributeValue(java.lang.String elname,
                                           java.lang.String aname)

Generate a full attribute default value.

Parameters:

elname - The element name.

aname - The attribute name.

Returns:

The full attribute default value

See Also:

makeLiteral(java.lang.String)

makeExternalIdentifiers

public java.lang.String makeExternalIdentifiers(java.lang.String pubid,
                                                java.lang.String sysid)

Construct a string equivalent of external identifiers.

Parameters:

pubid - The public identifier

sysid - The string id

Returns:

The external identifiers

See Also:

makeLiteral(java.lang.String)

makeLiteral

public java.lang.String makeLiteral(java.lang.String data)

Quote a literal, and escape any '"' or non-ASCII characters within it.

Parameters:

data - The data

Returns:

the data as a literal