tagattributeinfo.html

j2ee帮助文档软件设计/软件工程 文件格式

<A NAME="isRequired()"><!-- --></A><H3>
isRequired</H3>
<PRE>
public boolean <B>isRequired</B>()</PRE>
<DL>
<DD>Whether this attribute is required.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>if the attribute is required.</DL>
</DD>
</DL>
<HR>

<A NAME="getIdAttribute(javax.servlet.jsp.tagext.TagAttributeInfo[])"><!-- --></A><H3>
getIdAttribute</H3>
<PRE>
public static <A HREF="../../../../javax/servlet/jsp/tagext/TagAttributeInfo.html" title="class in javax.servlet.jsp.tagext">TagAttributeInfo</A> <B>getIdAttribute</B>(<A HREF="../../../../javax/servlet/jsp/tagext/TagAttributeInfo.html" title="class in javax.servlet.jsp.tagext">TagAttributeInfo</A>[]&nbsp;a)</PRE>
<DL>
<DD>Convenience static method that goes through an array of TagAttributeInfo
 objects and looks for "id".
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>a</CODE> - An array of TagAttributeInfo
<DT><B>Returns:</B><DD>The TagAttributeInfo reference with name "id"</DL>
</DD>
</DL>
<HR>

<A NAME="isFragment()"><!-- --></A><H3>
isFragment</H3>
<PRE>
public boolean <B>isFragment</B>()</PRE>
<DL>
<DD>Whether this attribute is of type JspFragment.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>if the attribute is of type JspFragment<DT><B>Since:</B></DT>
  <DD>JSP 2.0</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getDescription()"><!-- --></A><H3>
getDescription</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>getDescription</B>()</PRE>
<DL>
<DD>Gets the description string of this tag attribute.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the description string of this tag attribute</DL>
</DD>
</DL>
<HR>

<A NAME="isDeferredValue()"><!-- --></A><H3>
isDeferredValue</H3>
<PRE>
public boolean <B>isDeferredValue</B>()</PRE>
<DL>
<DD>Returns <code>true</code> if this attribute is to be passed a
 <code>ValueExpression</code> so that expression evaluation
 can be deferred.

 <p>If this method returns <code>true</code>, then
 <code>getTypeName()</code> must return
 <code>"javax.el.ValueExpression"</code>.</p>

 <p>The <code>getExpectedType()</code> method can be used to retrieve
 the expected type this value expression will be constructed with.</p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if this attribute accepts a deferred value;
     <code>false</code> otherwise.<DT><B>Since:</B></DT>
  <DD>JSP 2.1</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="isDeferredMethod()"><!-- --></A><H3>
isDeferredMethod</H3>
<PRE>
public boolean <B>isDeferredMethod</B>()</PRE>
<DL>
<DD>Returns <code>true</code> if this attribute is to be passed a
 <code>MethodExpression</code> so that expression evaluation
 can be deferred.

 <p>If this method returns <code>true</code>, then
 <code>getTypeName()</code> must return
 <code>"javax.el.MethodExpression"</code>.</p>

 <p>The <code>getMethodSignature()</code> method can be used to retrieve
 the expected method signature this method expression will be
 constructed with.</p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if this attribute accepts a deferred method;
     <code>false</code> otherwise.<DT><B>Since:</B></DT>
  <DD>JSP 2.1</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getExpectedTypeName()"><!-- --></A><H3>
getExpectedTypeName</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>getExpectedTypeName</B>()</PRE>
<DL>
<DD>Returns the name of the expected type (as a String) of this
 deferred value attribute.

 <p>This method returns <code>null</code> if
 <code>isDeferredValue()</code> returns <code>false</code>.</p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the name of the expected type<DT><B>Since:</B></DT>
  <DD>JSP 2.1</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getMethodSignature()"><!-- --></A><H3>
getMethodSignature</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>getMethodSignature</B>()</PRE>
<DL>
<DD>Returns the expected method signature of this deferred method attribute.

 <p>This method returns <code>null</code> if
 <code>isDeferredMethod()</code> returns <code>false</code>.</p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the method signature<DT><B>Since:</B></DT>
  <DD>JSP 2.1</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</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>toString</B>()</PRE>
<DL>
<DD>Returns a String representation of this TagAttributeInfo, suitable
 for debugging purposes.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a String representation of this TagAttributeInfo</DL>
</DD>
</DL>
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