Package com.topologi.diffx.event.impl

Class OpenElementEventNSImpl

java.lang.Object

com.topologi.diffx.event.impl.DiffXEventBase

com.topologi.diffx.event.impl.OpenElementEventNSImpl

All Implemented Interfaces:

DiffXEvent, OpenElementEvent, XMLFormattable, XMLWritable

public final class OpenElementEventNSImpl
extends DiffXEventBase
implements DiffXEvent, OpenElementEvent

The event corresponding to the startElement SAX event.

Version:

27 March 2010

Field Summary

Fields

Modifier and Type	Field	Description
private final int	hashCode	Hashcode value for this event.
private final String	name	The local name of the element.
private final String	uri	The namespace URI of the element.

Fields inherited from class com.topologi.diffx.event.impl.DiffXEventBase

ESC, weight

Constructor Summary

Constructors

Constructor	Description
OpenElementEventNSImpl(String name)	Creates a new open element event with the default URI.
OpenElementEventNSImpl(String uri, String name)	Creates a new open element event.

Method Summary

Modifier and Type	Method	Description
boolean	equals(DiffXEvent e)	Returns true if the event is a open element event.
String	getName()	Returns the local name of the element.
String	getURI()	Returns the namespace URI the element belongs to.
int	hashCode()
private int	toHashCode(String uri, String name)	Calculates the hashcode for this event.
String	toString()
void	toXML(XMLWriter xml)	Writes the XML representation of the implementing instance using the specified XMLWriter.
StringBuffer	toXML(StringBuffer xml)	Converts this event to an XML open tag.

Methods inherited from class com.topologi.diffx.event.impl.DiffXEventBase

equals, getWeight, setWeight, toXML

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.topologi.diffx.event.DiffXEvent

getWeight, setWeight

Methods inherited from interface com.topologi.diffx.xml.XMLFormattable

toXML

Field Details

uri

private final String uri

The namespace URI of the element.

name

private final String name

The local name of the element.

hashCode

private final int hashCode

Hashcode value for this event.

Constructor Details

OpenElementEventNSImpl

public OpenElementEventNSImpl(String name)
                       throws NullPointerException

Creates a new open element event with the default URI.

Parameters:

name - The local name of the element

Throws:

NullPointerException - if the name is null.

See Also:

• XMLConstants.NULL_NS_URI

OpenElementEventNSImpl

public OpenElementEventNSImpl(String uri,
 String name)
                       throws NullPointerException

Creates a new open element event.

Parameters:

uri - The namespace URI of the element

name - The local name of the element

Throws:

NullPointerException - if any of the argument is null.

Method Details

getName

public String getName()

Description copied from interface: OpenElementEvent

Returns the local name of the element.

Specified by:

getName in interface OpenElementEvent

Returns:

Returns the name.

getURI

public String getURI()

Description copied from interface: OpenElementEvent

Returns the namespace URI the element belongs to.

Specified by:

getURI in interface OpenElementEvent

Returns:

Returns the namespace URI.

hashCode

public int hashCode()

Description copied from class: DiffXEventBase

Specified by:

hashCode in class DiffXEventBase

equals

public boolean equals(DiffXEvent e)

Returns true if the event is a open element event.

Specified by:

equals in interface DiffXEvent

Specified by:

equals in class DiffXEventBase

Parameters:

e - The event to compare with this event.

Returns:

true if this event is equal to the specified event; false otherwise.

toString

public String toString()

Overrides:

toString in class Object

toXML

public void toXML(XMLWriter xml)
           throws IOException

Description copied from interface: XMLWritable

Writes the XML representation of the implementing instance using the specified XMLWriter.

Specified by:

toXML in interface XMLWritable

Parameters:

xml - The XMLWriter to use.

Throws:

IOException - IF an I/O exception occurs whilst writing.

toXML

public StringBuffer toXML(StringBuffer xml)

Converts this event to an XML open tag.

Note that this method does not allow attributes to be put after this element. Appends the XML representation of the object of the implementing class.

Implementations must ensure that the returned string buffer is the same object as the specified string buffer.

Specified by:

toXML in interface XMLFormattable

Parameters:

xml - The string buffer to which the XML representation is appended to.

Returns:

The modified string buffer.

toHashCode

private int toHashCode(String uri,
 String name)

Calculates the hashcode for this event.

Parameters:

uri - The namespace URI.

name - The element name.

Returns:

a number suitable as a hashcode.