org.mdiutil.xml

Class ValidationResolverHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.xml.sax.ext.DefaultHandler2

org.mdiutil.xml.ValidationResolverHandler

All Implemented Interfaces:

LSResourceResolver, ContentHandler, DTDHandler, EntityResolver, ErrorHandler, DeclHandler, EntityResolver2, LexicalHandler

public class ValidationResolverHandler
extends DefaultHandler2
implements LSResourceResolver

A SAX handler used to validate an XML file. This is used internally by the XMLSAXParser to validate an XML File without using a Schema Validator.

Since:

0.8.5

See Also:

XMLSAXParser.setSchemaValidator(boolean)

Constructor Summary

Constructors

Constructor and Description
ValidationResolverHandler()

Method Summary

Modifier and Type	Method and Description
void	error(SAXParseException e) Parsing errors will be silently ignored if they are encountered before the beginning of the Document and an alternated public DTD has been defined for the handler.
void	fatalError(SAXParseException e) Parsing errors will be silently ignored if they are encountered before the beginning of the Document and an alternated public DTD or resolver has been defined for the handler.
EntityListResolver	getEntityResolver() Return the entity resolver to use with this handler.
InputSource	resolveEntity(String publicID, String systemID) Resolves publicIDs and systemIDs.
InputSource	resolveEntity(String name, String publicID, String baseURI, String systemID) Resolves publicIDs and systemIDs.
LSInput	resolveResource(String type, String namespaceURI, String publicID, String systemID, String baseURI) Allow the application to resolve external resources.
void	setEntityResolver(EntityListResolver resolver) Set the entity resolver to use with this handler(null by default).
void	setErrorHandler(ResolverSAXHandler errorHandler) Set the associated error handler.
void	warning(SAXParseException e) Parsing errors will be silently ignored if they are encountered before the beginning of the Document and an alternated public DTD or resolver has been defined for the handler.

Methods inherited from class org.xml.sax.ext.DefaultHandler2

attributeDecl, comment, elementDecl, endCDATA, endDTD, endEntity, externalEntityDecl, getExternalSubset, internalEntityDecl, startCDATA, startDTD, startEntity

Methods inherited from class org.xml.sax.helpers.DefaultHandler

characters, endDocument, endElement, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startElement, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidationResolverHandler

public ValidationResolverHandler()

Method Detail

setErrorHandler

public void setErrorHandler(ResolverSAXHandler errorHandler)

Set the associated error handler.

Parameters:

errorHandler - the associated error handler

error

public void error(SAXParseException e)

Parsing errors will be silently ignored if they are encountered before the beginning of the Document and an alternated public DTD has been defined for the handler.

Specified by:

error in interface ErrorHandler

Overrides:

error in class DefaultHandler

fatalError

public void fatalError(SAXParseException e)

Parsing errors will be silently ignored if they are encountered before the beginning of the Document and an alternated public DTD or resolver has been defined for the handler.

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class DefaultHandler

warning

public void warning(SAXParseException e)

Parsing errors will be silently ignored if they are encountered before the beginning of the Document and an alternated public DTD or resolver has been defined for the handler.

Specified by:

warning in interface ErrorHandler

Overrides:

warning in class DefaultHandler

setEntityResolver

public void setEntityResolver(EntityListResolver resolver)

Set the entity resolver to use with this handler(null by default).

Parameters:

resolver - the entity resolver

getEntityResolver

public EntityListResolver getEntityResolver()

Return the entity resolver to use with this handler.

Returns:

the entity resolver

resolveEntity

public InputSource resolveEntity(String publicID,
                                 String systemID)
                          throws SAXException,
                                 IOException

Resolves publicIDs and systemIDs.

• look for this URL, and not look in the file system
• Else the entity will be searched in the file system

Specified by:

resolveEntity in interface EntityResolver

Overrides:

resolveEntity in class DefaultHandler2

Parameters:

publicID - the publicID

systemID - The system identifier, a URI reference of the external resource being referenced, or null if no system identifier was supplied

Returns:

the Input Source

Throws:

SAXException

IOException

resolveEntity

public InputSource resolveEntity(String name,
                                 String publicID,
                                 String baseURI,
                                 String systemID)
                          throws SAXException,
                                 IOException

Resolves publicIDs and systemIDs.

• If a systemID is found, and a DTD URL is set, then it will look for this URL, and not look in the file system
• Else the entity will be searched in the file system

Specified by:

resolveEntity in interface EntityResolver2

Overrides:

resolveEntity in class DefaultHandler2

Parameters:

name - the entity name

publicID - The public identifier of the external entity being referenced, or null if no public identifier was supplied

baseURI - The absolute base URI of the resource being parsed, or null if there is no base URI.

systemID - The system identifier, a URI reference of the external resource being referenced, or null if no system identifier was supplied

Returns:

the Input Source

Throws:

SAXException

IOException

resolveResource

public LSInput resolveResource(String type,
                               String namespaceURI,
                               String publicID,
                               String systemID,
                               String baseURI)

Allow the application to resolve external resources.

Specified by:

resolveResource in interface LSResourceResolver

Parameters:

type - The type of the resource being resolved. For XML resources applications must use the value "http://www.w3.org/TR/REC-xml". For XML Schema, applications must use the value "http://www.w3.org/2001/XMLSchema".

namespaceURI - The namespace of the resource being resolved

publicID - The public identifier of the external entity being referenced, or null if no public identifier was supplied

systemID - The system identifier, a URI reference of the external resource being referenced, or null if no system identifier was supplied

baseURI - The absolute base URI of the resource being parsed, or null if there is no base URI.

Returns:

The input source, or null to request that the parser open a regular URI connection to the resource