editablevalueholder.html

j2ee帮助文档软件设计/软件工程 文件格式

<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../javax/faces/component/EditableValueHolder.html#addValidator(javax.faces.validator.Validator)"><CODE>addValidator(javax.faces.validator.Validator)</CODE></A> instead, obtaining the
 argument <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A> by creating an instance of <A HREF="../../../javax/faces/validator/MethodExpressionValidator.html" title="class in javax.faces.validator"><CODE>MethodExpressionValidator</CODE></A>.</I>
<P>
<DD><p>Wrap the argument <code>validatorBinding</code> in an
 implementation of <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A> and
 store it in the internal data structure that backs the <A HREF="../../../javax/faces/component/EditableValueHolder.html#getValidators()"><CODE>getValidators()</CODE></A> method, taking care to over-write any instance
 that was stored by a previous call to <code>setValidator</code>.
 </p>

 <p>The argument method will be called during the <em>Process
 Validations</em> or <em>Apply Request Values</em> phases
 (depending on the value of the <code>immediate</code>
 property). </p>

 <p>Any method referenced by such an expression must be public,
 with a return type of <code>void</code>, and accept parameters of
 type <A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context"><CODE>FacesContext</CODE></A>, <A HREF="../../../javax/faces/component/UIComponent.html" title="class in javax.faces.component"><CODE>UIComponent</CODE></A>, and <code>Object</code>.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>validatorBinding</CODE> - The new <code>MethodBinding</code> instance</DL>
</DD>
</DL>
<HR>

<A NAME="getValueChangeListener()"><!-- --></A><H3>
getValueChangeListener</H3>
<PRE>
<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A> <B>getValueChangeListener</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../javax/faces/component/EditableValueHolder.html#getValueChangeListeners()"><CODE>getValueChangeListeners()</CODE></A> instead.</I>
<P>
<DD><p>If <A HREF="../../../javax/faces/component/EditableValueHolder.html#setValueChangeListener(javax.faces.el.MethodBinding)"><CODE>setValueChangeListener(javax.faces.el.MethodBinding)</CODE></A> was not previously called
 for this instance, this method must return <code>null</code>.  If
 it was called, this method must return the exact
 <code>MethodBinding</code> instance that was passed to <A HREF="../../../javax/faces/component/EditableValueHolder.html#setValueChangeListener(javax.faces.el.MethodBinding)"><CODE>setValueChangeListener(javax.faces.el.MethodBinding)</CODE></A>.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setValueChangeListener(javax.faces.el.MethodBinding)"><!-- --></A><H3>
setValueChangeListener</H3>
<PRE>
void <B>setValueChangeListener</B>(<A HREF="../../../javax/faces/el/MethodBinding.html" title="class in javax.faces.el">MethodBinding</A>&nbsp;valueChangeMethod)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../javax/faces/component/EditableValueHolder.html#addValueChangeListener(javax.faces.event.ValueChangeListener)"><CODE>addValueChangeListener(javax.faces.event.ValueChangeListener)</CODE></A> instead, obtaining the
 argument <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A> by creating an instance of <A HREF="../../../javax/faces/event/MethodExpressionValueChangeListener.html" title="class in javax.faces.event"><CODE>MethodExpressionValueChangeListener</CODE></A>.</I>
<P>
<DD><p>Wrap the argument <code>valueChangeMethod</code> in an
 implementation of <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A>
 and store it in the internal data structure that backs the <A HREF="../../../javax/faces/component/EditableValueHolder.html#getValueChangeListeners()"><CODE>getValueChangeListeners()</CODE></A> method, taking care to over-write any
 instance that was stored by a previous call to
 <code>setValueChangeListener</code>.</p>

 <p>This argument method will be called during the <em>Process
 Validations</em> or <em>Apply Request Values</em> phases
 (depending on the value of the <code>immediate</code>
 property). </p>

 <p>Any method referenced by such an expression must be public,
 with a return type of <code>void</code>, and accept a parameter
 of type <A HREF="../../../javax/faces/event/ValueChangeEvent.html" title="class in javax.faces.event"><CODE>ValueChangeEvent</CODE></A>.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>valueChangeMethod</CODE> - The new method binding instance</DL>
</DD>
</DL>
<HR>

<A NAME="addValidator(javax.faces.validator.Validator)"><!-- --></A><H3>
addValidator</H3>
<PRE>
void <B>addValidator</B>(<A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator">Validator</A>&nbsp;validator)</PRE>
<DL>
<DD><p>Add a <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A> instance to the set associated with
 this component.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>validator</CODE> - The <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A> to add
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>validator</code>
  is null</DL>
</DD>
</DL>
<HR>

<A NAME="getValidators()"><!-- --></A><H3>
getValidators</H3>
<PRE>
<A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator">Validator</A>[] <B>getValidators</B>()</PRE>
<DL>
<DD><p>Return the set of registered <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A>s for this
 component instance.  If there are no registered validators,
 a zero-length array is returned.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeValidator(javax.faces.validator.Validator)"><!-- --></A><H3>
removeValidator</H3>
<PRE>
void <B>removeValidator</B>(<A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator">Validator</A>&nbsp;validator)</PRE>
<DL>
<DD><p>Remove a <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A> instance from the set associated with
 this component, if it was previously associated.
 Otherwise, do nothing.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>validator</CODE> - The <A HREF="../../../javax/faces/validator/Validator.html" title="interface in javax.faces.validator"><CODE>Validator</CODE></A> to remove</DL>
</DD>
</DL>
<HR>

<A NAME="addValueChangeListener(javax.faces.event.ValueChangeListener)"><!-- --></A><H3>
addValueChangeListener</H3>
<PRE>
void <B>addValueChangeListener</B>(<A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event">ValueChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD><p>Add a new <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A> to the set of listeners
 interested in being notified when <A HREF="../../../javax/faces/event/ValueChangeEvent.html" title="class in javax.faces.event"><CODE>ValueChangeEvent</CODE></A>s occur.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A> to be added
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>listener</code>
  is <code>null</code></DL>
</DD>
</DL>
<HR>

<A NAME="getValueChangeListeners()"><!-- --></A><H3>
getValueChangeListeners</H3>
<PRE>
<A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event">ValueChangeListener</A>[] <B>getValueChangeListeners</B>()</PRE>
<DL>
<DD><p>Return the set of registered <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A>s for this
 component instance.  If there are no registered listeners,
 a zero-length array is returned.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeValueChangeListener(javax.faces.event.ValueChangeListener)"><!-- --></A><H3>
removeValueChangeListener</H3>
<PRE>
void <B>removeValueChangeListener</B>(<A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event">ValueChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD><p>Remove an existing <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A> (if any) from the
 set of listeners interested in being notified when
 <A HREF="../../../javax/faces/event/ValueChangeEvent.html" title="class in javax.faces.event"><CODE>ValueChangeEvent</CODE></A>s occur.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The <A HREF="../../../javax/faces/event/ValueChangeListener.html" title="interface in javax.faces.event"><CODE>ValueChangeListener</CODE></A> to be removed
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - if <code>listener</code>
  is <code>null</code></DL>
</DD>
</DL>
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