com.saxonica.validate
Class XSIAttributeHandler

java.lang.Object
  net.sf.saxon.event.SequenceReceiver
      net.sf.saxon.event.ProxyReceiver
          com.saxonica.validate.ValidatingFilter
              com.saxonica.validate.XSIAttributeHandler

All Implemented Interfaces:

Result, Receiver

public class XSIAttributeHandler
extends ValidatingFilter

This class processes attributes such as xsi:schemaLocation and xsi:type. To achieve this, it needs to be preceded in the pipeline by a StartTagBuffer, which buffers all attributes and namespaces, because the xsi:type and schemaLocation need to be processed before the start element event. Apart from the StartTagBuffer, this is the first class in the validation pipeline.

The main work of this class can be done in the startElement event, because the StartTagBuffer ensures that by this time, all the namespaces and attributes for the element are known and accessible.

Field Summary

Fields inherited from interface javax.xml.transform.Result

PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING

Constructor Summary

XSIAttributeHandler(StartTagBuffer buffer, ValidationStack out)
Create a handler for xsi: attributes

Method Summary

void	attribute(int nameCode, int typeCode, CharSequence value, int locationId, int properties) Notify an attribute.
void	startElement(int nameCode, int typeCode, int locationId, int properties) Notify the start of an element

Methods inherited from class com.saxonica.validate.ValidatingFilter

setErrorCode

Methods inherited from class net.sf.saxon.event.ProxyReceiver

append, characters, close, comment, endDocument, endElement, getConfiguration, getDocumentLocator, getNamePool, getUnderlyingReceiver, namespace, open, processingInstruction, setPipelineConfiguration, setSystemId, setUnderlyingReceiver, setUnparsedEntity, startContent, startDocument

Methods inherited from class net.sf.saxon.event.SequenceReceiver

getPipelineConfiguration, getSystemId

Methods inherited from class java.lang.Object

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

Constructor Detail

XSIAttributeHandler

public XSIAttributeHandler(StartTagBuffer buffer,
                           ValidationStack out)

Create a handler for xsi: attributes

Parameters:

buffer - the preceding filter in the pipeline, which provides namespace resolution services

out - the next filter in the pipeline

Method Detail

startElement

public void startElement(int nameCode,
                         int typeCode,
                         int locationId,
                         int properties)
                  throws XPathException

Notify the start of an element

Specified by:

startElement in interface Receiver

Overrides:

startElement in class ProxyReceiver

Parameters:

nameCode - integer code identifying the name of the element within the name pool.

typeCode - integer code identifying the element's type within the name pool.

properties - for future use. Should be set to zero.

locationId - an integer which can be interpreted using a LocationProvider to return information such as line number and system ID. If no location information is available, the value zero is supplied.

Throws:

XPathException

attribute

public void attribute(int nameCode,
                      int typeCode,
                      CharSequence value,
                      int locationId,
                      int properties)
               throws XPathException

Notify an attribute. Attributes are notified after the startElement event, and before any children. Namespaces and attributes may be intermingled.

Specified by:

attribute in interface Receiver

Overrides:

attribute in class ProxyReceiver

Parameters:

nameCode - The name of the attribute, as held in the name pool

typeCode - The type of the attribute, as held in the name pool

properties - Bit significant value. The following bits are defined:

DISABLE_ESCAPING

Disable escaping for this attribute

NO_SPECIAL_CHARACTERS

Attribute value contains no special characters

value - the string value of the attribute

locationId - an integer which can be interpreted using a LocationProvider to return information such as line number and system ID. If no location information is available, the value zero is supplied.

Throws:

IllegalStateException: - attempt to output an attribute when there is no open element start tag

XPathException