Class VersionAwareHandler
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
- All Implemented Interfaces:
- ContentHandler,- DTDHandler,- EntityResolver,- ErrorHandler
- Direct Known Subclasses:
- RootDataMapHandler
public abstract class VersionAwareHandler extends NamespaceAwareNestedTagHandler
Handler that can validate root tag name, version and namespace.
- Since:
- 4.1
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Field SummaryFields inherited from class org.apache.cayenne.configuration.xml.NamespaceAwareNestedTagHandlerallowAllNamespaces, targetNamespaceFields inherited from class org.apache.cayenne.configuration.xml.SAXNestedTagHandlerloaderContext, locator, parentHandler
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Constructor SummaryConstructors Constructor Description VersionAwareHandler(LoaderContext loaderContext, String rootTag)
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Method SummaryModifier and Type Method Description protected booleanprocessElement(String namespaceURI, String localName, Attributes attributes)Main method to process XML content.protected voidvalidateNamespace(String realNamespace)protected voidvalidateVersion(Attributes attributes, String[] supportedVersions)Methods inherited from class org.apache.cayenne.configuration.xml.NamespaceAwareNestedTagHandlercharacters, createChildTagHandler, endElement, processCharData, setAllowAllNamespaces, setTargetNamespace, startElementMethods inherited from class org.apache.cayenne.configuration.xml.SAXNestedTagHandlerbeforeScopeEnd, getParentHandler, setDocumentLocator, stop, unexpectedTagMessageMethods inherited from class org.xml.sax.helpers.DefaultHandlerendDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warningMethods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.xml.sax.ContentHandlerdeclaration
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Field Details- 
rootTag
 
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Constructor Details- 
VersionAwareHandler
 
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Method Details- 
processElementprotected boolean processElement(String namespaceURI, String localName, Attributes attributes) throws SAXExceptionDescription copied from class:SAXNestedTagHandlerMain 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:
- processElementin 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)
 
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validateVersion
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validateNamespace
 
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