tigase.jaxmpp.core.client.xml

Class ElementWrapper

java.lang.Object

tigase.jaxmpp.core.client.xml.ElementWrapper

All Implemented Interfaces:

Element

Direct Known Subclasses:

AbstractField, Candidate, ErrorElement, JabberDataElement, PubSubModule.AffiliationElement, PubSubModule.SubscriptionElement, Stanza, Transport, XmppDelay, XMucUserElement

public class ElementWrapper
extends Object
implements Element

Wrapper for Element class.

Author:

bmalkow

Constructor Summary

Constructors

Constructor and Description
ElementWrapper(Element element)

Method Summary

Methods

Modifier and Type	Method and Description
Element	addChild(Element child) Add child element to tree and return the added element.
boolean	equals(Object obj)
String	getAsString() Get this element as XML string.
String	getAttribute(String attName) Get attribute by name.
Map<String,String>	getAttributes() Get all attributes as a Map.
Element	getChildAfter(Element child) Gets the first child after specified child in children list.
protected String	getChildElementValue(String elemName)
protected String	getChildElementValue(String elemName, String xmlns)
List<Element>	getChildren() Get all children of the element.
List<Element>	getChildren(String name) Get children by name.
List<Element>	getChildrenNS(String xmlns) Get children by namespace.
Element	getChildrenNS(String name, String xmlns) Get children by namespace.
Element	getFirstChild() Get the first child element of this element.
Element	getFirstChild(String name)
String	getName() Get name of this element.
Element	getNextSibling() Get next sibling to this element or null if no parent or no more siblings exist.
Element	getParent() Get parent element of this element.
String	getValue() Get element value.
String	getXMLNS() Get namespace of this element.
int	hashCode()
void	removeAttribute(String key) Remove attribute from element.
void	removeChild(Element child) Remove child from element.
void	setAttribute(String key, String value) Set value of attribute.
void	setAttributes(Map<String,String> attrs) Set a number of attributes.
protected void	setChildElementValue(String elemName, String value)
protected void	setChildElementValue(String elemName, String xmlns, String value)
void	setParent(Element parent) Set element parent.
void	setValue(String value) Set value of this element.
void	setXMLNS(String xmlns) Change the namespace of this element.

Methods inherited from class java.lang.Object

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

Constructor Detail

ElementWrapper

public ElementWrapper(Element element)

Method Detail

addChild

public Element addChild(Element child)
                 throws XMLException

Add child element to tree and return the added element.

Specified by:

addChild in interface Element

Parameters:

child - Child to add.

Returns:

Added child element.

Throws:

XMLException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getAsString

public String getAsString()
                   throws XMLException

Get this element as XML string.

Specified by:

getAsString in interface Element

Returns:

The normalized XML describing this element.

Throws:

XMLException

getAttribute

public String getAttribute(String attName)
                    throws XMLException

Get attribute by name.

Specified by:

getAttribute in interface Element

Parameters:

attName - Name of attribute to fetch.

Returns:

Attribute value or null if no such element exist.

Throws:

XMLException

getAttributes

public Map<String,String> getAttributes()
                                 throws XMLException

Get all attributes as a Map.

Specified by:

getAttributes in interface Element

Returns:

Element's attributes.

Throws:

XMLException

getChildAfter

public Element getChildAfter(Element child)
                      throws XMLException

Gets the first child after specified child in children list. Only to be used internally.

Specified by:

getChildAfter in interface Element

Parameters:

child - The child to look up.

Returns:

The child after specific child.

Throws:

XMLException

getChildElementValue

protected String getChildElementValue(String elemName)
                               throws XMLException

Throws:

XMLException

getChildElementValue

protected String getChildElementValue(String elemName,
                          String xmlns)
                               throws XMLException

Throws:

XMLException

getChildren

public List<Element> getChildren()
                          throws XMLException

Get all children of the element.

Specified by:

getChildren in interface Element

Returns:

A list containing all child elements.

Throws:

XMLException

getChildren

public List<Element> getChildren(String name)
                          throws XMLException

Get children by name.

Specified by:

getChildren in interface Element

Parameters:

name - Name of the children to get.

Returns:

A list of the Element with the given name.

Throws:

XMLException

getChildrenNS

public List<Element> getChildrenNS(String xmlns)
                            throws XMLException

Get children by namespace.

Specified by:

getChildrenNS in interface Element

Parameters:

xmlns - Namespace of the children to get.

Returns:

A list of children with the given namespace.

Throws:

XMLException

getChildrenNS

public Element getChildrenNS(String name,
                    String xmlns)
                      throws XMLException

Get children by namespace.

Specified by:

getChildrenNS in interface Element

Parameters:

name - Name of the children to get.

xmlns - Namespace of the children to get.

Returns:

A list of Elements with the given name and namespace.

Throws:

XMLException

getFirstChild

public Element getFirstChild()
                      throws XMLException

Get the first child element of this element.

Specified by:

getFirstChild in interface Element

Returns:

First child element or null if no children.

Throws:

XMLException

getFirstChild

public Element getFirstChild(String name)
                      throws XMLException

Throws:

XMLException

getName

public String getName()
               throws XMLException

Get name of this element.

Specified by:

getName in interface Element

Returns:

Name of the element.

Throws:

XMLException

getNextSibling

public Element getNextSibling()
                       throws XMLException

Get next sibling to this element or null if no parent or no more siblings exist.

Specified by:

getNextSibling in interface Element

Returns:

Next sibling element.

Throws:

XMLException

getParent

public Element getParent()
                  throws XMLException

Get parent element of this element. Or null if no parent exist.

Specified by:

getParent in interface Element

Returns:

Parent element.

Throws:

XMLException

getValue

public String getValue()
                throws XMLException

Get element value.

Specified by:

getValue in interface Element

Returns:

Concatenated string value of element or null if none.

Throws:

XMLException

getXMLNS

public String getXMLNS()
                throws XMLException

Get namespace of this element. traverses up to find actual namespace.

Specified by:

getXMLNS in interface Element

Returns:

Namespace of this element.

Throws:

XMLException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

removeAttribute

public void removeAttribute(String key)
                     throws XMLException

Remove attribute from element.

Specified by:

removeAttribute in interface Element

Parameters:

key - Name of attribute to remove.

Throws:

XMLException

removeChild

public void removeChild(Element child)
                 throws XMLException

Remove child from element.

Specified by:

removeChild in interface Element

Parameters:

child - Child element to remove.

Throws:

XMLException

setAttribute

public void setAttribute(String key,
                String value)
                  throws XMLException

Set value of attribute. Add attribute if it does not exist.

Specified by:

setAttribute in interface Element

Parameters:

key - Name of attribute to set.

value - Value of attribute to set.

Throws:

XMLException

setAttributes

public void setAttributes(Map<String,String> attrs)
                   throws XMLException

Set a number of attributes. Add the ones which does not exist.

Specified by:

setAttributes in interface Element

Parameters:

attrs - Attributes to set.

Throws:

XMLException

setChildElementValue

protected void setChildElementValue(String elemName,
                        String value)
                             throws XMLException

Throws:

XMLException

setChildElementValue

protected void setChildElementValue(String elemName,
                        String xmlns,
                        String value)
                             throws XMLException

Throws:

XMLException

setParent

public void setParent(Element parent)
               throws XMLException

Set element parent. Only to be used internally.

Specified by:

setParent in interface Element

Parameters:

parent - The parent to set for this element.

Throws:

XMLException

setValue

public void setValue(String value)
              throws XMLException

Set value of this element.

Specified by:

setValue in interface Element

Parameters:

value - Value to set.

Throws:

XMLException

setXMLNS

public void setXMLNS(String xmlns)
              throws XMLException

Change the namespace of this element.

Specified by:

setXMLNS in interface Element

Parameters:

xmlns - Namespace to set.

Throws:

XMLException