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org.chiba.xml.xforms
Class XFormsElement  

java.lang.Object
  org.chiba.xml.xforms.XFormsElement

All Implemented Interfaces:

XFormsConstants

Direct Known Subclasses:

Bind, Instance, Model, Submission

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public abstract class XFormsElement

extends java.lang.Object

implements XFormsConstants

Version:

$Id: XFormsElement.java,v 1.20 2003/10/01 14:24:16 joernt Exp $

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Field Summary
protected  Container	container
protected  org.w3c.dom.Element	element
protected  java.lang.String	id
protected  Model	model
protected  org.w3c.dom.events.EventTarget	target
protected  java.lang.String	xformsPrefix

 

Fields inherited from interface org.chiba.xml.xforms.XFormsConstants

ACCESSKEY_ATTRIBUTE, ACTION, ACTION_ATTRIBUTE, ALERT, APPEARANCE_ATTRIBUTE, AT_ATTRIBUTE, BIND, BIND_ATTRIBUTE, BUBBLES_ATTRIBUTE, CALCULATE_ATTRIBUTE, CANCELABLE_ATTRIBUTE, CASE, CASE_ATTRIBUTE, CDATA_SECTION_ELEMENTS_ATTRIBUTE, CHOICES, CONSTRAINT_ATTRIBUTE, CONTROL_ATTRIBUTE, COPY, DELETE, DISPATCH, ENCODING_ATTRIBUTE, END_ATTRIBUTE, EXTENSION, FILENAME, GROUP, HELP, HINT, INCREMENTAL_ATTRIBUTE, INDENT_ATTRIBUTE, INDEX_ATTRIBUTE, INPUT, INSERT, INSTANCE, ITEM, ITEMSET, LABEL, LEVEL_ATTRIBUTE, LOAD, MAXOCCURS_ATTRIBUTE, MEDIATYPE, MEDIATYPE_ATTRIBUTE, MESSAGE, METHOD_ATTRIBUTE, MINOCCURS_ATTRIBUTE, MODEL, MODEL_ATTRIBUTE, NAME_ATTRIBUTE, NAVINDEX_ATTRIBUTE, NODESET_ATTRIBUTE, NUMBER_ATTRIBUTE, OMIT_XML_DECLARATION_ATTRIBUTE, OUTPUT, P3PTYPE_ATTRIBUTE, POSITION_ATTRIBUTE, RANGE, READONLY_ATTRIBUTE, REBUILD, RECALCULATE, REF_ATTRIBUTE, REFRESH, RELEVANT_ATTRIBUTE, REPEAT, REPEAT_ATTRIBUTE, REPEAT_BIND_ATTRIBUTE, REPEAT_MODEL_ATTRIBUTE, REPEAT_NODESET_ATTRIBUTE, REPEAT_NUMBER_ATTRIBUTE, REPEAT_STARTINDEX_ATTRIBUTE, REPLACE_ATTRIBUTE, REQUIRED_ATTRIBUTE, RESET, RESOURCE_ATTRIBUTE, REVALIDATE, SECRET, SELECT, SELECT1, SELECTED_ATTRIBUTE, SELECTION_ATTRIBUTE, SEND, SEPARATOR_ATTRIBUTE, SETFOCUS, SETINDEX, SETVALUE, SHOW_ATTRIBUTE, SRC_ATTRIBUTE, STANDALONE_ATTRIBUTE, START_ATTRIBUTE, STARTINDEX_ATTRIBUTE, STEP_ATTRIBUTE, SUBMISSION, SUBMISSION_ATTRIBUTE, SUBMIT, SWITCH, TARGET_ATTRIBUTE, TEXTAREA, TOGGLE, TRIGGER, TYPE_ATTRIBUTE, UPLOAD, VALUE, VALUE_ATTRIBUTE, VERSION_ATTRIBUTE

 

Constructor Summary

XFormsElement(org.w3c.dom.Element element)

XFormsElement(org.w3c.dom.Element element, Model model)

 

Method Summary
boolean	dispatch(java.lang.String type, java.lang.Object info)           dispatch an DOM Event.
boolean	equals(java.lang.Object object)           Determine whether this Object is semantically equal to another Object.
Container	getContainerObject()
org.w3c.dom.Element	getElement()           Returns the DOM element of this element.
java.lang.String	getId()           Returns the global id of this element.
protected abstract  org.apache.log4j.Category	getLogger()           Returns the logger object.
Model	getModel()           Returns the context model of this element.
XFormsElement	getParentObject()
org.w3c.dom.events.EventTarget	getTarget()           Returns the DOM event target of this element.
abstract  void	init()           Performs element init.
protected  void	performDefault(org.w3c.dom.events.Event event)           performs the default Action of this Element.
java.lang.String	toString()           Convert this Object to a human-readable String.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

container

protected Container container

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element

protected org.w3c.dom.Element element

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model

protected Model model

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id

protected java.lang.String id

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target

protected org.w3c.dom.events.EventTarget target

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xformsPrefix

protected java.lang.String xformsPrefix

Constructor Detail

XFormsElement

public XFormsElement(org.w3c.dom.Element element)

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XFormsElement

public XFormsElement(org.w3c.dom.Element element,
                     Model model)

Method Detail

getLogger

protected abstract org.apache.log4j.Category getLogger()

Returns the logger object.

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init

public abstract void init()
                   throws org.chiba.xml.xforms.exception.XFormsException

Performs element init.

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getId

public java.lang.String getId()

Returns the global id of this element.

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getModel

public Model getModel()

Returns the context model of this element.

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getElement

public org.w3c.dom.Element getElement()

Returns the DOM element of this element.

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getTarget

public org.w3c.dom.events.EventTarget getTarget()

Returns the DOM event target of this element.

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getContainerObject

public Container getContainerObject()

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getParentObject

public XFormsElement getParentObject()

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performDefault

protected void performDefault(org.w3c.dom.events.Event event)

performs the default Action of this Element. Element that need default actions must overwrite this method.

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dispatch

public boolean dispatch(java.lang.String type,
                        java.lang.Object info)

dispatch an DOM Event. If the return-value is true (preventDefault() was not called), the Default Action is performed.

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equals

public boolean equals(java.lang.Object object)

Description copied from class: java.lang.Object

Determine whether this Object is semantically equal to another Object.

There are some fairly strict requirements on this method which subclasses must follow:

• It must be transitive. If a.equals(b) and b.equals(c), then a.equals(c) must be true as well.
• It must be symmetric. a.equals(b) and b.equals(a) must have the same value.
• It must be reflexive. a.equals(a) must always be true.
• It must be consistent. Whichever value a.equals(b) returns on the first invocation must be the value returned on all later invocations.
• a.equals(null) must be false.
• It must be consistent with hashCode(). That is, a.equals(b) must imply a.hashCode() == b.hashCode(). The reverse is not true; two objects that are not equal may have the same hashcode, but that has the potential to harm hashing performance.

This is typically overridden to throw a java.lang.ClassCastException if the argument is not comparable to the class performing the comparison, but that is not a requirement. It is legal for a.equals(b) to be true even though a.getClass() != b.getClass(). Also, it is typical to never cause a java.lang.NullPointerException.

In general, the Collections API (java.util) use the equals method rather than the == operator to compare objects. However, java.util.IdentityHashMap is an exception to this rule, for its own good reasons.

The default implementation returns this == o.

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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