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Apache Struts API Documentation: Class FieldChecks
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SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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org.apache.struts.validator</FONT>
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Class FieldChecks</H2>
<PRE>
java.lang.Object
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+--<B>org.apache.struts.validator.FieldChecks</B>
</PRE>
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<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD>
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<DT>public class <B>FieldChecks</B><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL>
<P>
<p> This class contains the default validations that are used in the validator-rules.xml file. </p> <p> In general passing in a null or blank will return a null Object or a false boolean. However, nulls and blanks do not result in an error being added to the errors. </p>
<P>
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<DT><B>Since: </B><DD>Struts 1.1</DD>
<DT><B>See Also: </B><DD><A HREF="../../../../serialized-form.html#org.apache.struts.validator.FieldChecks">Serialized Form</A></DL>
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<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TD>
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<CODE>static java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.html#FIELD_TEST_EQUAL">FIELD_TEST_EQUAL</A></B></CODE>
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<CODE>static java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.html#FIELD_TEST_NOTNULL">FIELD_TEST_NOTNULL</A></B></CODE>
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<CODE>static java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.html#FIELD_TEST_NULL">FIELD_TEST_NULL</A></B></CODE>
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<CODE>private static org.apache.commons.logging.Log</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.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/FieldChecks.html#FieldChecks()">FieldChecks</A></B>()</CODE>
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<CODE>protected static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.html#isString(java.lang.Object)">isString</A></B>(java.lang.Object o)</CODE>
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Return <code>true</code> if the specified object is a String or a <code>null</code> value.</TD>
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<CODE>static java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.html#validateByte(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)">validateByte</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>
<BR>
Checks if the field can safely be converted to a byte primitive.</TD>
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<CODE>static java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/validator/FieldChecks.html#validateCreditCard(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)">validateCreditCard</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>
<BR>
Checks if the field is a valid credit card number.</TD>
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