org.chwf.taglib.jutil
Class PrintErrorTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--org.chwf.taglib.base.LifeCycleTagSupport
              |
              +--org.chwf.taglib.jutil.PrintErrorTag

All Implemented Interfaces:

Parameterized, java.io.Serializable, javax.servlet.jsp.tagext.Tag

public class PrintErrorTag

extends LifeCycleTagSupport

Tag handler for the <printError> tag. It checks for an exception object in the request and prints its message.

Author:

Paul Strack

See Also:

Serialized Form

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

PrintErrorTag()

Method Summary

void	cleanup() Clean up data for tag handler reuse and pooling.
int	doStart() Prints the error message.
java.lang.String	getParameter() For parameter-associated errors.
void	setParameter(java.lang.String parameter) For parameter-associated errors.

Methods inherited from class org.chwf.taglib.base.LifeCycleTagSupport

addAttribute, addParameter, doEnd, doEndTag, doStartTag, getAttribute, getAttributeNames, getParameter, getParameterNames, init, printAttributes

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

findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Constructor Detail

PrintErrorTag

public PrintErrorTag()

Method Detail

cleanup

public void cleanup()

Clean up data for tag handler reuse and pooling. Should be overridden in tag handler. Subclasses should always invoke their superclass's cleanup method: super.cleanup()

Overrides:

cleanup in class LifeCycleTagSupport

setParameter

public void setParameter(java.lang.String parameter)

For parameter-associated errors.

Parameters:

parameter - The parameter.

getParameter

public java.lang.String getParameter()

For parameter-associated errors.

Returns:

The parameter.

doStart

public int doStart()
            throws java.io.IOException

Prints the error message.

Overrides:

doStart in class LifeCycleTagSupport

Returns:

SKIP_BODY

Throws:

java.io.IOException - For IO exceptions.