org.apache.openjpa.lib.meta
Class CFMetaDataParser

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.apache.openjpa.lib.meta.XMLMetaDataParser
          org.apache.openjpa.lib.meta.CFMetaDataParser

All Implemented Interfaces:

MetaDataParser, ContentHandler, DTDHandler, EntityResolver, ErrorHandler, LexicalHandler

Direct Known Subclasses:

XMLPersistenceMetaDataParser

public class CFMetaDataParser
extends XMLMetaDataParser

Custom SAX parser used by the system to quickly parse metadata files for classes.

Author:

Abe White

Constructor Summary

CFMetaDataParser()

Method Summary

protected Class<?>	classForName(String name, boolean resolve) Helper method to create the Class for the given name, taking into account the package currently being parsed for relative class names.
static Class<?>	classForName(String name, String pkg, boolean resolve, ClassLoader loader) Load the given class name against the given package and the set of accepted standard packages.
protected String	currentClassName() Return the current class being parsed; the returned name will be fully qualified.
protected String	currentPackage() Return the current package being parsed.
protected void	endClass(String elem) End a class.
protected void	endClassElement(String name) Override this method marking the end of an element within a declared class.
protected void	endElement(String name) Override this method marking the end of some element.
protected void	endPackage(String elem) End a package.
protected void	endPackageElement(String name) Override this method marking the end of an element within a declared package.
protected void	endSystemElement(String name) Override this method marking the end of an element outside of any package or class.
protected String	getClassAttributeName() The attribute of the class element that holds the name, or null to use the element text.
protected int	getClassElementDepth() The depth of the class element.
protected String	getPackageAttributeName() The attribute of the package element that holds the name, or null to use the element text.
protected int	getPackageElementDepth() The depth of the package element.
protected boolean	isClassElementName(String name) The name of the class element.
protected boolean	isPackageElementName(String name) The name of the package element.
protected void	reset() Override this method to clear any state and ready the parser for a new document.
protected boolean	startClass(String elem, Attributes attrs) Start a class.
protected boolean	startClassElement(String name, Attributes attrs) Override this method marking the start of an element within a declared class.
protected boolean	startElement(String name, Attributes attrs) Override this method marking the start of some element.
protected boolean	startPackage(String elem, Attributes attrs) Start a package.
protected boolean	startPackageElement(String name, Attributes attrs) Override this method marking the start of an element within a declared package.
protected boolean	startSystemElement(String name, Attributes attrs) Override this method marking the start of an element outside of any package or class.

Methods inherited from class org.apache.openjpa.lib.meta.XMLMetaDataParser

addComments, addResult, characters, clear, clearDeferredMetaData, comment, currentClassLoader, currentComments, currentDepth, currentLocation, currentText, endCDATA, endDTD, endElement, endEntity, error, fatalError, finish, getClassLoader, getDocType, getException, getException, getException, getLexicalHandler, getLocation, getLog, getParseComments, getParseText, getResults, getSchemaSource, getSourceFile, getSourceIsSystemId, getSourceName, getSuffix, ignoreContent, isCaching, isParsing, isValidating, parse, parse, parse, parse, parse, parse, parsed, parseNewResource, setCaching, setClassLoader, setDocumentLocator, setLexicalHandler, setLocation, setLog, setParseComments, setParseText, setParsing, setSourceIsSystemId, setSuffix, setValidating, startCDATA, startDTD, startElement, startEntity

Methods inherited from class org.xml.sax.helpers.DefaultHandler

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

Methods inherited from class java.lang.Object

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

Constructor Detail

CFMetaDataParser

public CFMetaDataParser()

Method Detail

isPackageElementName

protected boolean isPackageElementName(String name)

The name of the package element. Defaults to "package".

getPackageAttributeName

protected String getPackageAttributeName()

The attribute of the package element that holds the name, or null to use the element text. Defaults to "name".

getPackageElementDepth

protected int getPackageElementDepth()

The depth of the package element. Defaults to 1.

isClassElementName

protected boolean isClassElementName(String name)

The name of the class element. Defaults to "class".

getClassAttributeName

protected String getClassAttributeName()

The attribute of the class element that holds the name, or null to use the element text. Defaults to "name".

getClassElementDepth

protected int getClassElementDepth()

The depth of the class element. Defaults to 2.

startElement

protected boolean startElement(String name,
                               Attributes attrs)
                        throws SAXException

Description copied from class: XMLMetaDataParser

Override this method marking the start of some element. If this method returns false, the content of the element and the end element event will be ignored.

Specified by:

startElement in class XMLMetaDataParser

Throws:

SAXException

endElement

protected void endElement(String name)
                   throws SAXException

Description copied from class: XMLMetaDataParser

Override this method marking the end of some element.

Specified by:

endElement in class XMLMetaDataParser

Throws:

SAXException

startPackage

protected boolean startPackage(String elem,
                               Attributes attrs)
                        throws SAXException

Start a package. Parses out package attribute by default. Return false to skip package element and its contents.

Throws:

SAXException

endPackage

protected void endPackage(String elem)

End a package. Parses contained text by default.

startClass

protected boolean startClass(String elem,
                             Attributes attrs)
                      throws SAXException

Start a class. Parses out class name by default. Return false to skip class element and its contents.

Throws:

SAXException

endClass

protected void endClass(String elem)
                 throws SAXException

End a class. Parses contained text by default.

Throws:

SAXException

startSystemElement

protected boolean startSystemElement(String name,
                                     Attributes attrs)
                              throws SAXException

Override this method marking the start of an element outside of any package or class.

Throws:

SAXException

endSystemElement

protected void endSystemElement(String name)
                         throws SAXException

Override this method marking the end of an element outside of any package or class.

Throws:

SAXException

startPackageElement

protected boolean startPackageElement(String name,
                                      Attributes attrs)
                               throws SAXException

Override this method marking the start of an element within a declared package.

Throws:

SAXException

endPackageElement

protected void endPackageElement(String name)
                          throws SAXException

Override this method marking the end of an element within a declared package.

Throws:

SAXException

startClassElement

protected boolean startClassElement(String name,
                                    Attributes attrs)
                             throws SAXException

Override this method marking the start of an element within a declared class.

Throws:

SAXException

endClassElement

protected void endClassElement(String name)
                        throws SAXException

Override this method marking the end of an element within a declared class.

Throws:

SAXException

reset

protected void reset()

Override this method to clear any state and ready the parser for a new document. Subclasses should call super.reset() to clear superclass state.

Overrides:

reset in class XMLMetaDataParser

currentClassName

protected String currentClassName()

Return the current class being parsed; the returned name will be fully qualified.

currentPackage

protected String currentPackage()

Return the current package being parsed.

classForName

protected Class<?> classForName(String name,
                                boolean resolve)
                         throws SAXException

Helper method to create the Class for the given name, taking into account the package currently being parsed for relative class names.

Throws:

SAXException

classForName

public static Class<?> classForName(String name,
                                    String pkg,
                                    boolean resolve,
                                    ClassLoader loader)

Load the given class name against the given package and the set of accepted standard packages. Return null if the class cannot be loaded.