Class SelectQueryDescriptorHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.apache.cayenne.project.xml.SAXNestedTagHandler

org.apache.cayenne.project.xml.NamespaceAwareNestedTagHandler

org.apache.cayenne.project.xml.QueryDescriptorHandler

org.apache.cayenne.project.xml.SelectQueryDescriptorHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class SelectQueryDescriptorHandler
extends QueryDescriptorHandler

A handler of the "objectQuery" tag of a DataMap. The query is defined by a single String in the syntax of ObjectSelect.parse(String, Object...).

Since:

5.0

Field Summary

Fields inherited from class QueryDescriptorHandler

map

Fields inherited from class NamespaceAwareNestedTagHandler

allowAllNamespaces, targetNamespace

Fields inherited from class SAXNestedTagHandler

loaderContext, locator, parentHandler

Constructor Summary

Constructors

Constructor	Description
SelectQueryDescriptorHandler(NamespaceAwareNestedTagHandler parentHandler, DataMap map)

Method Summary

Modifier and Type	Method	Description
SelectQueryDescriptor	getQueryDescriptor()	Returns the descriptor of the query being read, or null before the query tag is processed.
protected boolean	processCharData(String localName, String data)
protected boolean	processElement(String namespaceURI, String localName, Attributes attributes)	Main method to process XML content.

Methods inherited from class QueryDescriptorHandler

beforeScopeEnd, columnNameCapitalization, intAttribute, loadQuerySettings, resolveRoot

Methods inherited from class NamespaceAwareNestedTagHandler

characters, createChildTagHandler, endElement, setAllowAllNamespaces, setTargetNamespace, startElement

Methods inherited from class SAXNestedTagHandler

getParentHandler, setDocumentLocator, stop, unexpectedTagMessage

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

SelectQueryDescriptorHandler

public SelectQueryDescriptorHandler(NamespaceAwareNestedTagHandler parentHandler,
 DataMap map)

Method Details

getQueryDescriptor

public SelectQueryDescriptor getQueryDescriptor()

Description copied from class: QueryDescriptorHandler

Returns the descriptor of the query being read, or null before the query tag is processed.

Specified by:

getQueryDescriptor in class QueryDescriptorHandler

processElement

protected boolean processElement(String namespaceURI,
 String localName,
 Attributes attributes)
                          throws SAXException

Description copied from class: SAXNestedTagHandler

Main method to process XML content. Should be override in subclasses, by default do nothing. Return value should be true if tag was fully processed and shouldn't be passed down to child handler.

Specified by:

processElement in class NamespaceAwareNestedTagHandler

Parameters:

namespaceURI - namespace for tag

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

attributes - tag attributes

Returns:

true if tag was processed

Throws:

SAXException - can be thrown to abort parsing

See Also:

• SAXNestedTagHandler.createChildTagHandler(String, String, String, Attributes)

processCharData

protected boolean processCharData(String localName,
 String data)

Overrides:

processCharData in class NamespaceAwareNestedTagHandler