Package net.n3.nanoxml

Class ValidatorPlugin

java.lang.Object

net.n3.nanoxml.ValidatorPlugin

All Implemented Interfaces:

IXMLValidator

public class ValidatorPlugin
extends Object
implements IXMLValidator

ValidatorPlugin allows the application to insert additional validators into NanoXML.

Version:

$Name: RELEASE_2_2_1 $, $Revision: 1.3 $

Author:

Marc De Scheemaecker

Constructor Summary

Constructors

Constructor	Description
ValidatorPlugin()	Initializes the plugin.

Method Summary

Modifier and Type	Method	Description
void	attributeAdded(String key, String value, String systemId, int lineNr)	This method is called when the attributes of an XML element have been processed.
void	elementAttributesProcessed(String name, Properties extraAttributes, String systemId, int lineNr)	Indicates that an attribute has been added to the current element.
void	elementEnded(String name, String systemId, int lineNr)	Indicates that the current element has ended.
void	elementStarted(String name, String systemId, int lineNr)	Indicates that an element has been started.
protected void	finalize()	Cleans up the object when it's destroyed.
IXMLValidator	getDelegate()	Returns the delegate.
IXMLEntityResolver	getParameterEntityResolver()	Returns the parameter entity resolver.
void	invalidAttributeValue(String systemID, int lineNr, String elementName, String attributeName, String attributeValue)	Throws an XMLValidationException to indicate that an attribute has an invalid value.
void	missingAttribute(String systemID, int lineNr, String elementName, String attributeName)	Throws an XMLValidationException to indicate that an attribute is missing.
void	missingElement(String systemID, int lineNr, String parentElementName, String missingElementName)	Throws an XMLValidationException to indicate that an element is missing.
void	missingPCData(String systemID, int lineNr, String parentElementName)	Throws an XMLValidationException to indicate that a #PCDATA element was missing.
void	parseDTD(String publicID, IXMLReader reader, IXMLEntityResolver entityResolver, boolean external)	Parses the DTD.
void	PCDataAdded(String systemId, int lineNr)	Indicates that a new #PCDATA element has been encountered.
void	setDelegate(IXMLValidator delegate)	Sets the delegate.
void	setParameterEntityResolver(IXMLEntityResolver resolver)	Sets the parameter entity resolver.
void	unexpectedAttribute(String systemID, int lineNr, String elementName, String attributeName)	Throws an XMLValidationException to indicate that an attribute is unexpected.
void	unexpectedElement(String systemID, int lineNr, String parentElementName, String unexpectedElementName)	Throws an XMLValidationException to indicate that an element is unexpected.
void	unexpectedPCData(String systemID, int lineNr, String parentElementName)	Throws an XMLValidationException to indicate that a #PCDATA element was unexpected.
void	validationError(String systemID, int lineNr, String message, String elementName, String attributeName, String attributeValue)	Throws an XMLValidationException.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidatorPlugin

public ValidatorPlugin()

Initializes the plugin.

Method Detail

finalize

protected void finalize()
                 throws Throwable

Cleans up the object when it's destroyed.

Overrides:

finalize in class Object

Throws:

Throwable

getDelegate

public IXMLValidator getDelegate()

Returns the delegate.

setDelegate

public void setDelegate(IXMLValidator delegate)

Sets the delegate.

Parameters:

delegate - the delegate

setParameterEntityResolver

public void setParameterEntityResolver(IXMLEntityResolver resolver)

Sets the parameter entity resolver.

Specified by:

setParameterEntityResolver in interface IXMLValidator

Parameters:

resolver - the entity resolver.

getParameterEntityResolver

public IXMLEntityResolver getParameterEntityResolver()

Returns the parameter entity resolver.

Specified by:

getParameterEntityResolver in interface IXMLValidator

Returns:

the entity resolver.

parseDTD

public void parseDTD(String publicID,
                     IXMLReader reader,
                     IXMLEntityResolver entityResolver,
                     boolean external)
              throws Exception

Parses the DTD. The validator object is responsible for reading the full DTD.

Specified by:

parseDTD in interface IXMLValidator

Parameters:

publicID - the public ID, which may be null.

reader - the reader to read the DTD from.

entityResolver - the entity resolver.

external - true if the DTD is external.

Throws:

Exception - if something went wrong.

elementStarted

public void elementStarted(String name,
                           String systemId,
                           int lineNr)
                    throws Exception

Indicates that an element has been started.

Specified by:

elementStarted in interface IXMLValidator

Parameters:

name - the name of the element.

systemId - the system ID of the XML data of the element.

lineNr - the line number in the XML data of the element.

Throws:

Exception - if the element could not be validated.

elementEnded

public void elementEnded(String name,
                         String systemId,
                         int lineNr)
                  throws Exception

Indicates that the current element has ended.

Specified by:

elementEnded in interface IXMLValidator

Parameters:

name - the name of the element.

systemId - the system ID of the XML data of the element.

lineNr - the line number in the XML data of the element.

Throws:

Exception - if the element could not be validated.

elementAttributesProcessed

public void elementAttributesProcessed(String name,
                                       Properties extraAttributes,
                                       String systemId,
                                       int lineNr)
                                throws Exception

Indicates that an attribute has been added to the current element.

Specified by:

elementAttributesProcessed in interface IXMLValidator

Parameters:

key - the name of the attribute.

value - the value of the attribute.

systemId - the system ID of the XML data of the element.

lineNr - the line number in the XML data of the element.

Throws:

Exception - if the attribute could not be validated.

attributeAdded

public void attributeAdded(String key,
                           String value,
                           String systemId,
                           int lineNr)
                    throws Exception

This method is called when the attributes of an XML element have been processed. If there are attributes with a default value which have not been specified yet, they have to be put into extraAttributes.

Specified by:

attributeAdded in interface IXMLValidator

Parameters:

name - the name of the element.

extraAttributes - where to put extra attributes.

systemId - the system ID of the XML data of the element.

lineNr - the line number in the XML data of the element.

Throws:

Exception - if the element could not be validated.

PCDataAdded

public void PCDataAdded(String systemId,
                        int lineNr)
                 throws Exception

Indicates that a new #PCDATA element has been encountered.

Specified by:

PCDataAdded in interface IXMLValidator

Parameters:

systemId - the system ID of the XML data of the element.

lineNr - the line number in the XML data of the element.

Throws:

Exception - if the element could not be validated.

missingElement

public void missingElement(String systemID,
                           int lineNr,
                           String parentElementName,
                           String missingElementName)
                    throws XMLValidationException

Throws an XMLValidationException to indicate that an element is missing.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

parentElementName - the name of the parent element

missingElementName - the name of the missing element

Throws:

XMLValidationException - of course :-)

unexpectedElement

public void unexpectedElement(String systemID,
                              int lineNr,
                              String parentElementName,
                              String unexpectedElementName)
                       throws XMLValidationException

Throws an XMLValidationException to indicate that an element is unexpected.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

parentElementName - the name of the parent element

unexpectedElementName - the name of the missing element

Throws:

XMLValidationException - of course :-)

missingAttribute

public void missingAttribute(String systemID,
                             int lineNr,
                             String elementName,
                             String attributeName)
                      throws XMLValidationException

Throws an XMLValidationException to indicate that an attribute is missing.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

elementName - the name of the element

attributeName - the name of the missing attribute

Throws:

XMLValidationException - of course :-)

unexpectedAttribute

public void unexpectedAttribute(String systemID,
                                int lineNr,
                                String elementName,
                                String attributeName)
                         throws XMLValidationException

Throws an XMLValidationException to indicate that an attribute is unexpected.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

elementName - the name of the element

attributeName - the name of the unexpected attribute

Throws:

XMLValidationException - of course :-)

invalidAttributeValue

public void invalidAttributeValue(String systemID,
                                  int lineNr,
                                  String elementName,
                                  String attributeName,
                                  String attributeValue)
                           throws XMLValidationException

Throws an XMLValidationException to indicate that an attribute has an invalid value.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

elementName - the name of the element

attributeName - the name of the attribute

attributeValue - the value of the attribute

Throws:

XMLValidationException - of course :-)

missingPCData

public void missingPCData(String systemID,
                          int lineNr,
                          String parentElementName)
                   throws XMLValidationException

Throws an XMLValidationException to indicate that a #PCDATA element was missing.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

parentElementName - the name of the parent element

Throws:

XMLValidationException - of course :-)

unexpectedPCData

public void unexpectedPCData(String systemID,
                             int lineNr,
                             String parentElementName)
                      throws XMLValidationException

Throws an XMLValidationException to indicate that a #PCDATA element was unexpected.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

parentElementName - the name of the parent element

Throws:

XMLValidationException - of course :-)

validationError

public void validationError(String systemID,
                            int lineNr,
                            String message,
                            String elementName,
                            String attributeName,
                            String attributeValue)
                     throws XMLValidationException

Throws an XMLValidationException.

Parameters:

systemID - the system ID of the XML data of the element

lineNr - the line number in the XML data of the element

message - the error message

elementName - the name of the element (may be null)

attributeName - the name of the attribute (may be null)

attributeValue - the value of the attribute (may be null)

Throws:

XMLValidationException - of course :-)