com.sas.taglib.util.validators
Class ADSTagLibraryValidator

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagLibraryValidator
        |
        +--com.sas.taglib.util.validators.ADSTagLibraryValidator

public class ADSTagLibraryValidator

extends javax.servlet.jsp.tagext.TagLibraryValidator

Translation-time validator class for a JSP page using the SAS ADS tag library. A reference to this class must be set in the tld file to be recognized by the servlet container. For example:

 
 <validator>
  <validator-class>com.sas.taglib.util.validators.ADSTagLibraryValidator</validator-class>
 </validator>
 

Field Summary

protected ArrayList	messageList Array list of type ValidationMessage for return of validate method.
static String	RB_KEY Static key for referencing the Internationalization Strings for this class

Constructor Summary

ADSTagLibraryValidator()
Default Constructor.

Method Summary

ValidationMessage[]	validate(String prefix, String uri, PageData pageData) Overrides the TagLibraryValidator validate method to validate a JSP page.
void	validateNode(String prefix, String uri, Node node) Validates a single node in the JSP page by calling any custom tag validation classes which implement the ValidationInterface.

Methods inherited from class javax.servlet.jsp.tagext.TagLibraryValidator

getInitParameters, release, setInitParameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RB_KEY

public static final String RB_KEY

Static key for referencing the Internationalization Strings for this class

messageList

protected ArrayList messageList

Array list of type ValidationMessage for return of validate method.

Constructor Detail

ADSTagLibraryValidator

public ADSTagLibraryValidator()

Default Constructor.

Method Detail

validate

public ValidationMessage[] validate(String prefix,
                                    String uri,
                                    PageData pageData)

Overrides the TagLibraryValidator validate method to validate a JSP page. This will get invoked once per directive in the JSP page. This method will return null if the page is valid; otherwise the method should return an array of ValidationMessage objects. An array of length zero is also interpreted as no errors.

Overrides:

validate in class TagLibraryValidator

Parameters:

prefix - The tag prefix used for this tag in the current page.

uri - The uri associated with the tag and prefix.

node - The Node object which contains all the xml document information.

Returns:

An array of ValidationMessages. These are the errors which occured on the current JSP page.

validateNode

public void validateNode(String prefix,
                         String uri,
                         Node node)

Validates a single node in the JSP page by calling any custom tag validation classes which implement the ValidationInterface. Recursively checks the subtags of this Node for validity.

Parameters:

prefix - The tag prefix used for this tag in the current page.

uri - The uri associated with the tag and prefix.

node - The Node object which contains all the xml document information.