org.apache.crimson.parser
Class XMLReaderImpl

java.lang.Object
  org.apache.crimson.parser.XMLReaderImpl

All Implemented Interfaces:

org.xml.sax.XMLReader

public class XMLReaderImpl

extends Object

implements org.xml.sax.XMLReader

This implements the SAX2 XMLReader.

Author:

Rajiv Mordani, Edwin Goei

Field Summary

private org.xml.sax.ContentHandler	contentHandler
private static String	DECLARATION_HANDLER
private org.xml.sax.ext.DeclHandler	declHandler
private org.xml.sax.DTDHandler	dtdHandler
private org.xml.sax.EntityResolver	entityResolver
private org.xml.sax.ErrorHandler	errorHandler
private static String	EXTERNAL_GENERAL
private static String	EXTERNAL_PARAMETER
private static String	FEATURES
private static String	LEXICAL_HANDLER
private static String	LEXICAL_PARAMETER_ENTITIES
private org.xml.sax.ext.LexicalHandler	lexicalHandler
private static String	NAMESPACE_PREFIXES
private boolean	namespaces
private static String	NAMESPACES
private Parser2	parser
private boolean	parsing
private boolean	prefixes
private static String	PROPERTIES
private static String	STRING_INTERNING
private boolean	validation
private static String	VALIDATION

Constructor Summary

XMLReaderImpl()
Default constructor is explicitly declared here

Method Summary

private void	checkNotParsing(String type, String name) Throw an exception if we are parsing.
org.xml.sax.ContentHandler	getContentHandler() Return the current content handler.
org.xml.sax.DTDHandler	getDTDHandler() Return the current DTD handler.
org.xml.sax.EntityResolver	getEntityResolver() Return the current entity resolver.
org.xml.sax.ErrorHandler	getErrorHandler() Return the current error handler.
boolean	getFeature(String name) Check a parser feature.
Object	getProperty(String name) Get a parser property.
void	parse(org.xml.sax.InputSource input) Parse an XML document.
void	parse(String systemId) Parse an XML document.
void	setContentHandler(org.xml.sax.ContentHandler handler) Set the content handler.
void	setDTDHandler(org.xml.sax.DTDHandler handler) Set the DTD handler.
void	setEntityResolver(org.xml.sax.EntityResolver resolver) Set the entity resolver.
void	setErrorHandler(org.xml.sax.ErrorHandler handler) Set the error handler.
void	setFeature(String name, boolean state) Set a feature for the parser.
void	setProperty(String name, Object value) Set a parser property.

Methods inherited from class java.lang.Object

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

Field Detail

FEATURES

private static final String FEATURES

See Also:

Constant Field Values

NAMESPACES

private static final String NAMESPACES

See Also:

Constant Field Values

NAMESPACE_PREFIXES

private static final String NAMESPACE_PREFIXES

See Also:

Constant Field Values

STRING_INTERNING

private static final String STRING_INTERNING

See Also:

Constant Field Values

VALIDATION

private static final String VALIDATION

See Also:

Constant Field Values

EXTERNAL_GENERAL

private static final String EXTERNAL_GENERAL

See Also:

Constant Field Values

EXTERNAL_PARAMETER

private static final String EXTERNAL_PARAMETER

See Also:

Constant Field Values

LEXICAL_PARAMETER_ENTITIES

private static final String LEXICAL_PARAMETER_ENTITIES

See Also:

Constant Field Values

PROPERTIES

private static final String PROPERTIES

See Also:

Constant Field Values

LEXICAL_HANDLER

private static final String LEXICAL_HANDLER

See Also:

Constant Field Values

DECLARATION_HANDLER

private static final String DECLARATION_HANDLER

See Also:

Constant Field Values

namespaces

private boolean namespaces

prefixes

private boolean prefixes

validation

private boolean validation

lexicalHandler

private org.xml.sax.ext.LexicalHandler lexicalHandler

declHandler

private org.xml.sax.ext.DeclHandler declHandler

contentHandler

private org.xml.sax.ContentHandler contentHandler

dtdHandler

private org.xml.sax.DTDHandler dtdHandler

errorHandler

private org.xml.sax.ErrorHandler errorHandler

entityResolver

private org.xml.sax.EntityResolver entityResolver

parser

private Parser2 parser

parsing

private boolean parsing

Constructor Detail

XMLReaderImpl

public XMLReaderImpl()

Default constructor is explicitly declared here

Method Detail

getFeature

public boolean getFeature(String name)
                   throws org.xml.sax.SAXNotRecognizedException,
                          org.xml.sax.SAXNotSupportedException

Check a parser feature.

Specified by:

getFeature in interface org.xml.sax.XMLReader

Parameters:

name - The feature name, as a complete URI.

Returns:

The current feature state.

Throws:

org.xml.sax.SAXNotRecognizedException - If the feature name is not known.

org.xml.sax.SAXNotSupportedException - If querying the feature state is not supported.

See Also:

XMLReader.setFeature(java.lang.String, boolean)

setFeature

public void setFeature(String name,
                       boolean state)
                throws org.xml.sax.SAXNotRecognizedException,
                       org.xml.sax.SAXNotSupportedException

Set a feature for the parser.

Specified by:

setFeature in interface org.xml.sax.XMLReader

Parameters:

name - The feature name, as a complete URI.

state - The requested feature state.

Throws:

org.xml.sax.SAXNotRecognizedException - If the feature name is not known.

org.xml.sax.SAXNotSupportedException - If the feature state is not supported.

See Also:

XMLReader.getFeature(java.lang.String)

getProperty

public Object getProperty(String name)
                   throws org.xml.sax.SAXNotRecognizedException,
                          org.xml.sax.SAXNotSupportedException

Get a parser property.

Specified by:

getProperty in interface org.xml.sax.XMLReader

Parameters:

name - The property name.

Returns:

The property value.

Throws:

org.xml.sax.SAXNotRecognizedException - If the feature name is not known.

org.xml.sax.SAXNotSupportedException - If the feature state is not supported.

See Also:

XMLReader.getProperty(java.lang.String)

setProperty

public void setProperty(String name,
                        Object value)
                 throws org.xml.sax.SAXNotRecognizedException,
                        org.xml.sax.SAXNotSupportedException

Set a parser property.

Specified by:

setProperty in interface org.xml.sax.XMLReader

Parameters:

name - The property name.

value - The property value.

Throws:

org.xml.sax.SAXNotRecognizedException - If the feature name is not known.

org.xml.sax.SAXNotSupportedException - If the feature state is not supported.

See Also:

XMLReader.getProperty(java.lang.String)

setEntityResolver

public void setEntityResolver(org.xml.sax.EntityResolver resolver)

Set the entity resolver.

Specified by:

setEntityResolver in interface org.xml.sax.XMLReader

Parameters:

resolver - The new entity resolver.

Throws:

NullPointerException - If the entity resolver parameter is null.

See Also:

XMLReader.setEntityResolver(org.xml.sax.EntityResolver)

getEntityResolver

public org.xml.sax.EntityResolver getEntityResolver()

Return the current entity resolver.

Specified by:

getEntityResolver in interface org.xml.sax.XMLReader

Returns:

The current entity resolver, or null if none was supplied.

See Also:

XMLReader.getEntityResolver()

setDTDHandler

public void setDTDHandler(org.xml.sax.DTDHandler handler)

Set the DTD handler.

Specified by:

setDTDHandler in interface org.xml.sax.XMLReader

Throws:

NullPointerException - If the DTD handler parameter is null.

See Also:

XMLReader.setEntityResolver(org.xml.sax.EntityResolver)

getDTDHandler

public org.xml.sax.DTDHandler getDTDHandler()

Return the current DTD handler.

Specified by:

getDTDHandler in interface org.xml.sax.XMLReader

Returns:

The current DTD handler, or null if none was supplied.

See Also:

XMLReader.getEntityResolver()

setContentHandler

public void setContentHandler(org.xml.sax.ContentHandler handler)

Set the content handler.

Specified by:

setContentHandler in interface org.xml.sax.XMLReader

Throws:

NullPointerException - If the content handler parameter is null.

See Also:

XMLReader.setEntityResolver(org.xml.sax.EntityResolver)

getContentHandler

public org.xml.sax.ContentHandler getContentHandler()

Return the current content handler.

Specified by:

getContentHandler in interface org.xml.sax.XMLReader

Returns:

The current content handler, or null if none was supplied.

See Also:

XMLReader.getEntityResolver()

setErrorHandler

public void setErrorHandler(org.xml.sax.ErrorHandler handler)

Set the error handler.

Specified by:

setErrorHandler in interface org.xml.sax.XMLReader

Throws:

NullPointerException - If the error handler parameter is null.

See Also:

XMLReader.setEntityResolver(org.xml.sax.EntityResolver)

getErrorHandler

public org.xml.sax.ErrorHandler getErrorHandler()

Return the current error handler.

Specified by:

getErrorHandler in interface org.xml.sax.XMLReader

Returns:

The current error handler, or null if none was supplied.

See Also:

XMLReader.getEntityResolver()

parse

public void parse(String systemId)
           throws IOException,
                  org.xml.sax.SAXException

Parse an XML document.

Specified by:

parse in interface org.xml.sax.XMLReader

Parameters:

systemId - The absolute URL of the document.

Throws:

IOException - If there is a problem reading the raw content of the document.

org.xml.sax.SAXException - If there is a problem processing the document.

See Also:

parse(org.xml.sax.InputSource), Parser.parse(java.lang.String)

parse

public void parse(org.xml.sax.InputSource input)
           throws IOException,
                  org.xml.sax.SAXException

Parse an XML document.

Specified by:

parse in interface org.xml.sax.XMLReader

Parameters:

input - An input source for the document.

Throws:

IOException - If there is a problem reading the raw content of the document.

org.xml.sax.SAXException - If there is a problem processing the document.

See Also:

parse(java.lang.String), Parser.parse(org.xml.sax.InputSource)

checkNotParsing

private void checkNotParsing(String type,
                             String name)
                      throws org.xml.sax.SAXNotSupportedException

Throw an exception if we are parsing.

Use this method to detect illegal feature or property changes.

Parameters:

type - The type of thing (feature or property).

name - The feature or property name.

Throws:

org.xml.sax.SAXNotSupportedException - If a document is currently being parsed.