uiselectone.html

j2ee帮助文档软件设计/软件工程 文件格式

<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.faces.component.UISelectOne.COMPONENT_FAMILY">Constant Field Values</A></DL>
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<A NAME="INVALID_MESSAGE_ID"><!-- --></A><H3>
INVALID_MESSAGE_ID</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>INVALID_MESSAGE_ID</B></PRE>
<DL>
<DD><p>The message identifier of the
 <A HREF="../../../javax/faces/application/FacesMessage.html" title="class in javax.faces.application"><CODE>FacesMessage</CODE></A> to be created if
 a value not matching the available options is specified.
<P>
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<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.faces.component.UISelectOne.INVALID_MESSAGE_ID">Constant Field Values</A></DL>
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<A NAME="UISelectOne()"><!-- --></A><H3>
UISelectOne</H3>
<PRE>
public <B>UISelectOne</B>()</PRE>
<DL>
<DD><p>Create a new <A HREF="../../../javax/faces/component/UISelectOne.html" title="class in javax.faces.component"><CODE>UISelectOne</CODE></A> instance with default property
 values.</p>
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<A NAME="getFamily()"><!-- --></A><H3>
getFamily</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getFamily</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../javax/faces/component/UIComponent.html#getFamily()">UIComponent</A></CODE></B></DD>
<DD><p>Return the identifier of the component family to which this
 component belongs.  This identifier, in conjunction with the value
 of the <code>rendererType</code> property, may be used to select
 the appropriate <A HREF="../../../javax/faces/render/Renderer.html" title="class in javax.faces.render"><CODE>Renderer</CODE></A> for this component instance.</p>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/faces/component/UIInput.html#getFamily()">getFamily</A></CODE> in class <CODE><A HREF="../../../javax/faces/component/UIInput.html" title="class in javax.faces.component">UIInput</A></CODE></DL>
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<A NAME="validateValue(javax.faces.context.FacesContext, java.lang.Object)"><!-- --></A><H3>
validateValue</H3>
<PRE>
protected void <B>validateValue</B>(<A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</A>&nbsp;context,
                             <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;value)</PRE>
<DL>
<DD><p>In addition to the standard validation behavior inherited from
 <A HREF="../../../javax/faces/component/UIInput.html" title="class in javax.faces.component"><CODE>UIInput</CODE></A>, ensure that any specified value is equal to one of
 the available options.  Before comparing each option, coerce the 
 option value type to the type of this component's value following
 the Expression Language coercion rules.  If the specified value is 
 not equal to any of the options,  enqueue an error message
 and set the <code>valid</code> property to <code>false</code>.</p>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/faces/component/UIInput.html#validateValue(javax.faces.context.FacesContext, java.lang.Object)">validateValue</A></CODE> in class <CODE><A HREF="../../../javax/faces/component/UIInput.html" title="class in javax.faces.component">UIInput</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>context</CODE> - The <A HREF="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context"><CODE>FacesContext</CODE></A> for the current request<DD><CODE>value</CODE> - The converted value to test for membership.
<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>context</code>
  is <code>null</code></DL>
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