Class DataChannelHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.apache.cayenne.configuration.xml.SAXNestedTagHandler

org.apache.cayenne.configuration.xml.NamespaceAwareNestedTagHandler

org.apache.cayenne.configuration.xml.VersionAwareHandler

org.apache.cayenne.configuration.xml.DataChannelHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public final class DataChannelHandler
extends VersionAwareHandler

Since:

4.1

Field Summary

Fields inherited from class VersionAwareHandler

rootTag

Modifier and Type	Field	Description
protected String	rootTag

Fields inherited from class NamespaceAwareNestedTagHandler

allowAllNamespaces, targetNamespace

Modifier and Type	Field	Description
protected boolean	allowAllNamespaces
protected String	targetNamespace

Fields inherited from class SAXNestedTagHandler

loaderContext, locator, parentHandler

Modifier and Type	Field	Description
protected LoaderContext	loaderContext
protected Locator	locator
protected ContentHandler	parentHandler

Constructor Summary

Constructors

Constructor	Description
DataChannelHandler(XMLDataChannelDescriptorLoader xmlDataChannelDescriptorLoader, DataChannelDescriptor dataChannelDescriptor, LoaderContext loaderContext)

Method Summary

Modifier and Type	Method	Description
protected ContentHandler	createChildTagHandler(String namespaceURI, String localName, String name, Attributes attributes)	This method should be used to create nested handlers to process children elements.

Methods inherited from class VersionAwareHandler

processElement, validateNamespace, validateVersion

Modifier and Type	Method	Description
protected boolean	processElement(String namespaceURI, String localName, Attributes attributes)	Main method to process XML content.
protected void	validateNamespace(String realNamespace)
protected void	validateVersion(Attributes attributes, String[] supportedVersions)

Methods inherited from class NamespaceAwareNestedTagHandler

characters, endElement, processCharData, setAllowAllNamespaces, setTargetNamespace, startElement

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)
void	endElement(String namespaceURI, String localName, String qName)
protected boolean	processCharData(String localName, String data)
void	setAllowAllNamespaces(boolean allowAllNamespaces)
void	setTargetNamespace(String targetNamespace)
final void	startElement(String namespaceURI, String localName, String qName, Attributes attributes)	This method directly called by SAX parser, do not override it directly, use SAXNestedTagHandler.processElement(String, String, Attributes) method instead to process content.

Methods inherited from class SAXNestedTagHandler

beforeScopeEnd, getParentHandler, setDocumentLocator, stop, unexpectedTagMessage

Modifier and Type	Method	Description
protected void	beforeScopeEnd()	Callback method that is called before this handler pushed out of parsers stack.
ContentHandler	getParentHandler()
void	setDocumentLocator(Locator locator)
protected void	stop()
protected String	unexpectedTagMessage(String tagFound, String... tagsExpected)

Methods inherited from class DefaultHandler

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class Object

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

Methods inherited from interface ContentHandler

declaration

Constructor Details

DataChannelHandler

public DataChannelHandler(XMLDataChannelDescriptorLoader xmlDataChannelDescriptorLoader,
 DataChannelDescriptor dataChannelDescriptor,
 LoaderContext loaderContext)

Method Details

createChildTagHandler

protected ContentHandler createChildTagHandler(String namespaceURI,
 String localName,
 String name,
 Attributes attributes)

Description copied from class: SAXNestedTagHandler

This method should be used to create nested handlers to process children elements. This method should never return null.

Overrides:

createChildTagHandler in class NamespaceAwareNestedTagHandler

Parameters:

namespaceURI - namespace for tag

localName - tag local name (i.e. w/o namespace prefix)

name - tag full name (i.e. with namespace prefix)

attributes - tag attributes

Returns:

new handler to process child tag