org.oddjob.arooa.handlers
Class XmlHandler

java.lang.Object
  extended byorg.oddjob.arooa.ArooaHandler
      extended byorg.oddjob.arooa.handlers.XmlHandler

public class XmlHandler
extends ArooaHandler

This handler converts the events back into XML.


Constructor Summary
XmlHandler(java.io.OutputStream out)
          Constructor.
 
Method Summary
 void characters(char[] buf, int start, int count, ArooaContext context)
          Handles text within an element.
 void onEndElement(java.lang.String uri, java.lang.String tag, ArooaContext context)
          Called when this element and all elements nested into it have been handled (i.e.
 ArooaHandler onStartChild(java.lang.String uri, java.lang.String tag, java.lang.String qname, org.xml.sax.Attributes attrs, ArooaContext context)
          Handles the start of an element.
 void onStartElement(java.lang.String uri, java.lang.String tag, java.lang.String qname, org.xml.sax.Attributes attrs, ArooaContext context)
          Handles the start of an element.
 
Methods inherited from class org.oddjob.arooa.ArooaHandler
checkNamespace, onEndChild
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

XmlHandler

public XmlHandler(java.io.OutputStream out)
Constructor.

Parameters:
out - The Output stream the XML is to be written to.
Method Detail

onStartElement

public void onStartElement(java.lang.String uri,
                           java.lang.String tag,
                           java.lang.String qname,
                           org.xml.sax.Attributes attrs,
                           ArooaContext context)
Description copied from class: ArooaHandler
Handles the start of an element. This base implementation does nothing.

Overrides:
onStartElement in class ArooaHandler
Parameters:
uri - the namespace URI for the tag
tag - The name of the element being started. Will not be null.
qname - The qualified name of the element.
attrs - Attributes of the element being started. Will not be null.
context - The context that this element is in.

onStartChild

public ArooaHandler onStartChild(java.lang.String uri,
                                 java.lang.String tag,
                                 java.lang.String qname,
                                 org.xml.sax.Attributes attrs,
                                 ArooaContext context)
Description copied from class: ArooaHandler
Handles the start of an element. This base implementation just throws an exception - you must override this method if you expect child elements.

Overrides:
onStartChild in class ArooaHandler
Parameters:
uri - The namespace uri for this element.
tag - The name of the element being started. Will not be null.
qname - The qualified name for this element.
attrs - Attributes of the element being started. Will not be null.
context - The current context.
Returns:
a handler (in the derived classes)

onEndElement

public void onEndElement(java.lang.String uri,
                         java.lang.String tag,
                         ArooaContext context)
Description copied from class: ArooaHandler
Called when this element and all elements nested into it have been handled (i.e. at the ).

Overrides:
onEndElement in class ArooaHandler
Parameters:
uri - the namespace uri for this element
tag - the element name
context - the current context

characters

public void characters(char[] buf,
                       int start,
                       int count,
                       ArooaContext context)
Description copied from class: ArooaHandler
Handles text within an element. This base implementation just throws an exception, you must override it if you expect content.

Overrides:
characters in class ArooaHandler
Parameters:
buf - A character array of the text within the element. Will not be null.
start - The start element in the array.
count - The number of characters to read from the array.
context - The current context.