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Apache Struts API Documentation: Class ValidWhen
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org.apache.struts.validator.validwhen</FONT>
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Class ValidWhen</H2>
<PRE>
java.lang.Object
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+--<B>org.apache.struts.validator.validwhen.ValidWhen</B>
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<DL>
<DT>public class <B>ValidWhen</B><DT>extends java.lang.Object</DL>
<P>
This class contains the validwhen validation that is used in the validator-rules.xml file.
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<DT><B>Since: </B><DD>Struts 1.2</DD>
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<CODE>private static org.apache.commons.logging.Log</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/validator/validwhen/ValidWhen.html#log">log</A></B></CODE>
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Commons Logging instance.</TD>
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<TD><CODE><B><A HREF="../../../../../org/apache/struts/validator/validwhen/ValidWhen.html#ValidWhen()">ValidWhen</A></B>()</CODE>
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<CODE>private static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/validator/validwhen/ValidWhen.html#isString(java.lang.Object)">isString</A></B>(java.lang.Object obj)</CODE>
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Returns true if <code>obj</code> is null or a String.</TD>
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<CODE>static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/struts/validator/validwhen/ValidWhen.html#validateValidWhen(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionMessages, org.apache.commons.validator.Validator, javax.servlet.http.HttpServletRequest)">validateValidWhen</A></B>(java.lang.Object bean, org.apache.commons.validator.ValidatorAction va, org.apache.commons.validator.Field field, <A HREF="../../../../../org/apache/struts/action/ActionMessages.html">ActionMessages</A> errors, org.apache.commons.validator.Validator validator, javax.servlet.http.HttpServletRequest request)</CODE>
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Checks if the field matches the boolean expression specified in <code>test</code> parameter.</TD>
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<TD><CODE><clinit>, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait</CODE></TD>
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<A NAME="log"><!-- --></A><H3>
log</H3>
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private static final org.apache.commons.logging.Log <B>log</B></PRE>
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<DD>Commons Logging instance.</DL>
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<A NAME="ValidWhen()"><!-- --></A><H3>
ValidWhen</H3>
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public <B>ValidWhen</B>()</PRE>
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<A NAME="isString(java.lang.Object)"><!-- --></A><H3>
isString</H3>
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private static boolean <B>isString</B>(java.lang.Object obj)</PRE>
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<DD>Returns true if <code>obj</code> is null or a String.</DL>
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<A NAME="validateValidWhen(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionMessages, org.apache.commons.validator.Validator, javax.servlet.http.HttpServletRequest)"><!-- --></A><H3>
validateValidWhen</H3>
<PRE>
public static boolean <B>validateValidWhen</B>(java.lang.Object bean, org.apache.commons.validator.ValidatorAction va, org.apache.commons.validator.Field field, <A HREF="../../../../../org/apache/struts/action/ActionMessages.html">ActionMessages</A> errors, org.apache.commons.validator.Validator validator, javax.servlet.http.HttpServletRequest request)</PRE>
<DL>
<DD>Checks if the field matches the boolean expression specified in <code>test</code> parameter.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bean</CODE> - The bean validation is being performed on.<DD><CODE>va</CODE> - The <code>ValidatorAction</code> that is currently being performed.<DD><CODE>field</CODE> - The <code>Field</code> object associated with the current field being validated.<DD><CODE>errors</CODE> - The <code>ActionMessages</code> object to add errors to if any validation errors occur.<DD><CODE>request</CODE> - Current request object.<DT><B>Returns:</B><DD><code>true</code> if meets stated requirements, <code>false</code> otherwise.</DL>
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