com.metamatrix.common.xml.xmi
Class XMIContentHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      com.metamatrix.common.xml.xmi.XMIContentHandler

All Implemented Interfaces:

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

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

Nested Class Summary

protected class

XMIContentHandler.BodyHandler Inner class to handle the XMI Body

Field Summary

protected XMIContentHandler.BodyHandler	bodyHandler
static java.lang.String	HREF
static java.lang.String	NAME
static java.lang.String	XMI_CONTENT
static java.lang.String	XMI_CONTENT_HANDLER
static java.lang.String	XMI_ID
static java.lang.String	XMI_ID_REF
static java.lang.String	XMI_LABEL
static java.lang.String	XMI_UUID

Constructor Summary

XMIContentHandler(XMIReaderAdapter adapter)
Constructor: initializes two inner classes

Method Summary

void	characters(char[] characters, int start, int length) Called by the SAXParser when it encounters character data while processing an element.
void	endDocument() Called by the SAXParser when it reaches the end of the Document
void	endElement(java.lang.String uri, java.lang.String name, java.lang.String qName) Called by the SAXParser when it reaches an end Element tag
void	ignorableWhitespace(char[] characters, int start, int length) Capture ignorable whitespace as text.
static void	read(java.io.InputStream stream, MessageList messages, XMIReaderAdapter adapter, boolean closeStream) Utility method to use SAX and this ContentHandler to read in XMI from the specified stream.
void	setXMIHeader(XMIHeader header) Method to set the XMIHeader attribute.
void	startDocument() Called by the SAXParser when it starts processing the Document
void	startElement(java.lang.String uri, java.lang.String name, java.lang.String qName, org.xml.sax.Attributes atts) Called by the SAXParser when it reaches an start Element tag

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

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

Methods inherited from class java.lang.Object

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

Field Detail

XMI_CONTENT_HANDLER

public static final java.lang.String XMI_CONTENT_HANDLER

See Also:

Constant Field Values

XMI_UUID

public static final java.lang.String XMI_UUID

See Also:

Constant Field Values

XMI_ID

public static final java.lang.String XMI_ID

See Also:

Constant Field Values

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

HREF

public static final java.lang.String HREF

See Also:

Constant Field Values

XMI_LABEL

public static final java.lang.String XMI_LABEL

See Also:

Constant Field Values

XMI_ID_REF

public static final java.lang.String XMI_ID_REF

See Also:

Constant Field Values

XMI_CONTENT

public static final java.lang.String XMI_CONTENT

See Also:

Constant Field Values

bodyHandler

protected XMIContentHandler.BodyHandler bodyHandler

Constructor Detail

XMIContentHandler

public XMIContentHandler(XMIReaderAdapter adapter)

Constructor: initializes two inner classes

Method Detail

setXMIHeader

public void setXMIHeader(XMIHeader header)

Method to set the XMIHeader attribute. This method will create an EntityInfo object for the model. Called when the HeaderContentHandler finishes processing the XMIHeader.

Parameters:

XMIHeader - header, the XMIHeader

characters

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

Called by the SAXParser when it encounters character data while processing an element.

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

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

Parameters:

ch - The characters.

start - The start position in the character array.

length - The number of characters to use from the character array.

Throws:

org.xml.sax.SAXException - Any SAX exception, possibly wrapping another exception.

ignorableWhitespace

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

Capture ignorable whitespace as text. If setIgnoringElementContentWhitespace(true) has been called then this method does nothing.

Specified by:

ignorableWhitespace in interface org.xml.sax.ContentHandler

Overrides:

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

Parameters:

ch - [] - char array of ignorable whitespace

start - int - starting position within array

length - int - length of whitespace after start

Throws:

org.xml.sax.SAXException - when things go wrong

startDocument

public void startDocument()
                   throws org.xml.sax.SAXException

Called by the SAXParser when it starts processing the Document

Specified by:

startDocument in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

endDocument

public void endDocument()
                 throws org.xml.sax.SAXException

Called by the SAXParser when it reaches the end of the Document

Specified by:

endDocument in interface org.xml.sax.ContentHandler

Overrides:

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

Throws:

org.xml.sax.SAXException

endElement

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

Called by the SAXParser when it reaches an end Element tag

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

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

Parameters:

String - uri of the element

String - name of the element

String - qName of the element

Throws:

org.xml.sax.SAXException

startElement

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

Called by the SAXParser when it reaches an start Element tag

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

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

Parameters:

String - uri of the element

String - name of the element

String - qName of the element

Attributes - atts of the elements

Throws:

org.xml.sax.SAXException

read

public static void read(java.io.InputStream stream,
                        MessageList messages,
                        XMIReaderAdapter adapter,
                        boolean closeStream)
                 throws org.xml.sax.SAXException,
                        java.io.IOException

Utility method to use SAX and this ContentHandler to read in XMI from the specified stream.

Throws:

org.xml.sax.SAXException

java.io.IOException