org.globus.cog.gui.grapheditor.util
Class XMLToGraph

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.globus.cog.gui.grapheditor.util.XMLToGraph

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class XMLToGraph

extends DefaultHandler

Loads a hypergraph from an XML document.

Constructor Summary

XMLToGraph(NodeComponent rootNode, LoadUpdateListener l)

Method Summary

void	characters(char[] chars, int start, int len) Text inside XML tags is stored inside the "_text_" property if it exists.
static Object	deserialize(String s, Class propClass) deserializes an object from a base 64 string.
void	endDocument()
void	endElement(String uri, String localName, String qName)
void	error(SAXParseException e)
void	fatalError(SAXParseException e)
String	getFileName()
static void	read(NodeComponent node, Reader r, boolean useLocator, LoadUpdateListener l)
static void	read(NodeComponent node, Reader r, boolean useLocator, String fileName, LoadUpdateListener l) Constructs a hierarchical graph starting from the specified node and reading the XML document from the specified reader
static void	read(NodeComponent node, Reader r, LoadUpdateListener l)
static void	read(NodeComponent node, String fileName, boolean useLocator, LoadUpdateListener l)
void	setDocumentLocator(Locator locator)
void	setFileName(String fileName)
void	setUseLocator(boolean useLocator)
void	startDocument()
void	startElement(String namespaceURI, String sName, String qName, Attributes attr)
void	warning(SAXParseException e)

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

endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLToGraph

public XMLToGraph(NodeComponent rootNode,
                  LoadUpdateListener l)

Method Detail

read

public static void read(NodeComponent node,
                        String fileName,
                        boolean useLocator,
                        LoadUpdateListener l)
                 throws FileNotFoundException

Throws:

FileNotFoundException

read

public static void read(NodeComponent node,
                        Reader r,
                        LoadUpdateListener l)

read

public static void read(NodeComponent node,
                        Reader r,
                        boolean useLocator,
                        LoadUpdateListener l)

read

public static void read(NodeComponent node,
                        Reader r,
                        boolean useLocator,
                        String fileName,
                        LoadUpdateListener l)

Constructs a hierarchical graph starting from the specified node and reading the XML document from the specified reader

Parameters:

node -

r -

startDocument

public void startDocument()
                   throws SAXException

Throws:

SAXException

endDocument

public void endDocument()
                 throws SAXException

Throws:

SAXException

startElement

public void startElement(String namespaceURI,
                         String sName,
                         String qName,
                         Attributes attr)
                  throws SAXException

Throws:

SAXException

endElement

public void endElement(String uri,
                       String localName,
                       String qName)
                throws SAXException

Throws:

SAXException

warning

public void warning(SAXParseException e)
             throws SAXException

Throws:

SAXException

error

public void error(SAXParseException e)
           throws SAXException

Throws:

SAXException

fatalError

public void fatalError(SAXParseException e)
                throws SAXException

Throws:

SAXException

characters

public void characters(char[] chars,
                       int start,
                       int len)

Text inside XML tags is stored inside the "_text_" property if it exists. Components who want to get the text inside tags should have a _text_ property added.

Parameters:

chars -

start -

len -

deserialize

public static Object deserialize(String s,
                                 Class propClass)
                          throws Exception

deserializes an object from a base 64 string.

Parameters:

s -

Returns:

@throws Exception

Throws:

Exception

setDocumentLocator

public void setDocumentLocator(Locator locator)

setUseLocator

public void setUseLocator(boolean useLocator)

getFileName

public String getFileName()

setFileName

public void setFileName(String fileName)