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Java Source Code / Java Documentation » Mail Clients » columba 1.4 » org.columba.core.xml

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

java.util .Observable

org.columba.core.xml .XmlElement

XmlElement

public class XmlElement extends Observable implements Cloneable(Code)

The XmlElement is a generic containment class for elements within an XML file.

It extends Observable which should be used for gui elements which are interested in configuration changes.

Show interested in:

 xmlElement.addObserver(yourObserver);

When making bigger changes on XmlElement and probably its subnodes and/or a greater number of attributes at once, you should just change XmlElement directly and manually notify the Observers by calling:

 xmlElement.setChanged();
 xmlElement.notifyObservers();

There a good introduction for the Observable/Observer pattern in Model/View/Controller based applications at www.javaworld.com: - http://www.javaworld.com/javaworld/jw-10-1996/jw-10-howto.html
See Also:   org.columba.mail.gui.config.general.MailOptionsDialog.initObservables
See Also:   org.columba.mail.gui.message.viewer.MarkAsReadTimer
author:
   Tony Parent, fdietz

Field Summary
Hashtable	attributes
String	data
String	name
XmlElement	parent
List	subElements

Constructor Summary
public	XmlElement()
public	XmlElement(String name)
public	XmlElement(String name, Hashtable attributes)
public	XmlElement(String name, String data)

Method Summary
public Object	addAttribute(String name, String value) Add attribute to this xml element.
public boolean	addElement(XmlElement e)
public XmlElement	addSubElement(String path)
public XmlElement	addSubElement(XmlElement e)
public XmlElement	addSubElement(String name, String data)
public void	append(XmlElement e)
public Object	clone()
public int	count()
public boolean	equals(Object obj)
public String	getAttribute(String name)
public String	getAttribute(String name, String defaultValue)
public Enumeration	getAttributeNames()
public Hashtable	getAttributes()
public String	getData()
public XmlElement	getElement(String path)
public XmlElement	getElement(int index)
public List	getElements()
public String	getName()
public XmlElement	getParent()
public int	hashCode()
public void	insertElement(XmlElement e, int index)
public void	notifyObservers() Notify all Observers.
public static void	printNode(XmlElement node, String indent)
public void	removeAllElements()
public XmlElement	removeElement(XmlElement e)
public XmlElement	removeElement(int index)
public void	removeFromParent()
public void	setAttributes(Hashtable attrs)
public void	setData(String d)
public void	setName(String name) Sets the name.
public void	setParent(XmlElement parent)
public String	toString()

Field Detail

attributes
Hashtable attributes(Code)

data
String data(Code)

name
String name(Code)

parent
XmlElement parent(Code)

subElements
List subElements(Code)

Constructor Detail

XmlElement
public XmlElement()(Code)
	FIXME** This function needs documentation Constructor

XmlElement
public XmlElement(String name)(Code)
	FIXME This function needs documentation Constructor Parameters: String** - Name

XmlElement
public XmlElement(String name, Hashtable attributes)(Code)
	FIXME This function needs documentation Constructor Parameters: String - Name Parameters: Hashtable** - Attributes

XmlElement
public XmlElement(String name, String data)(Code)
	FIXME This function needs documentation Constructor Parameters: Name - String Parameters:** Data - String

Method Detail

addAttribute
public Object addAttribute(String name, String value)(Code)
	Add attribute to this xml element. Parameters: name - name of key Parameters: value - new attribute value old attribute value

addElement
public boolean addElement(XmlElement e)(Code)
	FIXME This function needs documentation boolean Parameters: XmlElement** - E

addSubElement
public XmlElement addSubElement(String path)(Code)
	Adds a sub element to this one XmlElement Parameters: Name - The subpath of the sub element to add

addSubElement
public XmlElement addSubElement(XmlElement e)(Code)
	Adds a sub element to this one XmlElement Parameters: element - The XmlElement to add

addSubElement
public XmlElement addSubElement(String name, String data)(Code)
	Adds a sub element to this one XmlElement Parameters: Name - The name of the sub element to add Parameters: Data - String Data for this element

append
public void append(XmlElement e)(Code)

clone
public Object clone()(Code)

count
public int count()(Code)

equals
public boolean equals(Object obj)(Code)

getAttribute
public String getAttribute(String name)(Code)
	FIXME This function needs documentation String Parameters: String** - Name

getAttribute
public String getAttribute(String name, String defaultValue)(Code)

getAttributeNames
public Enumeration getAttributeNames()(Code)
	FIXME** This function needs documentation Enumeration

getAttributes
public Hashtable getAttributes()(Code)
	FIXME This function needs documentation String Parameters: String** - Name

getData
public String getData()(Code)
	Returns the data associated with the current Xml element String

getElement
public XmlElement getElement(String path)(Code)
	FIXME This function needs documentation XmlElement Parameters: String** - Path

getElement
public XmlElement getElement(int index)(Code)

getElements
public List getElements()(Code)
	FIXME** This function needs documentation Vector

getName
public String getName()(Code)
	Returns the name of the current Xml element String

getParent
public XmlElement getParent()(Code)
	Gives the XmlElement containing the current element XmlElement

hashCode
public int hashCode()(Code)

insertElement
public void insertElement(XmlElement e, int index)(Code)
	convienience method for the TreeView Parameters: e - Parameters: index -

notifyObservers
public void notifyObservers()(Code)
	Notify all Observers. See Also: java.util.Observable.notifyObservers

printNode
public static void printNode(XmlElement node, String indent)(Code)
	Prints out a given number of spaces Parameters: out - PrintWriter to use for printing Parameters: numSpaces - Number of spaces to print

removeAllElements
public void removeAllElements()(Code)

removeElement
public XmlElement removeElement(XmlElement e)(Code)

removeElement
public XmlElement removeElement(int index)(Code)

removeFromParent
public void removeFromParent()(Code)
	convienience method for the TreeView this method is modeled after the DefaultMutableTreeNode-class DefaultMutableTreeNode wraps XmlElement for this purpose

setAttributes
public void setAttributes(Hashtable attrs)(Code)
	FIXME This function needs documentation Parameters:** Attrs - Hashtable to use as the attributes

setData
public void setData(String d)(Code)
	Sets the data for this element Parameters: D - The String representation of the data

setName
public void setName(String name)(Code)
	Sets the name. Parameters: name - The name to set

setParent
public void setParent(XmlElement parent)(Code)
	Sets the parent element Parameters: Parent - The XmlElement that contains this one

toString
public String toString()(Code)
	See Also: java.lang.Object.toString

Methods inherited from java.util.Observable

public synchronized void addObserver(Observer o)(Code)(Java Doc)
protected synchronized void clearChanged()(Code)(Java Doc)
public synchronized int countObservers()(Code)(Java Doc)
public synchronized void deleteObserver(Observer o)(Code)(Java Doc)
public synchronized void deleteObservers()(Code)(Java Doc)
public synchronized boolean hasChanged()(Code)(Java Doc)
public void notifyObservers()(Code)(Java Doc)
public void notifyObservers(Object arg)(Code)(Java Doc)
protected synchronized void setChanged()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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