org.apache.xmlgraphics.xmp

Class XMPHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.apache.xmlgraphics.xmp.XMPHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class XMPHandler
extends org.xml.sax.helpers.DefaultHandler

Passive XMP parser implemented as a SAX DefaultHandler. After the XML document has been parsed the Metadata object can be retrieved.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Stack	attributesStack
private java.lang.StringBuffer	content
private java.util.Stack	contextStack
private Metadata	meta
private java.util.Stack	nestingInfoStack

Constructor Summary

Constructors

Constructor and Description
XMPHandler()

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length)
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
private XMPArray	getCurrentArray(boolean required)
private PropertyAccess	getCurrentProperties()
private QName	getCurrentPropName()
private XMPStructure	getCurrentStructure()
Metadata	getMetadata()
private boolean	hasComplexContent()
private QName	popCurrentPropName()
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)
private void	startStructure()

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

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

Methods inherited from class java.lang.Object

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

Field Detail

meta

private Metadata meta

content

private java.lang.StringBuffer content

attributesStack

private java.util.Stack attributesStack

nestingInfoStack

private java.util.Stack nestingInfoStack

contextStack

private java.util.Stack contextStack

Constructor Detail

XMPHandler

public XMPHandler()

Method Detail

getMetadata

public Metadata getMetadata()

Returns:

the parsed metadata, available after the parsing.

hasComplexContent

private boolean hasComplexContent()

getCurrentProperties

private PropertyAccess getCurrentProperties()

getCurrentPropName

private QName getCurrentPropName()

popCurrentPropName

private QName popCurrentPropName()
                          throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

getCurrentStructure

private XMPStructure getCurrentStructure()

getCurrentArray

private XMPArray getCurrentArray(boolean required)
                          throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes attributes)
                  throws org.xml.sax.SAXException

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

startStructure

private void startStructure()

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException