Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> taglibs >> standard >> tag >> common >> [ core overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---

org.apache.taglibs.standard.tag.common.core
Class CatchTag  

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      org.apache.taglibs.standard.tag.common.core.CatchTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag, javax.servlet.jsp.tagext.TryCatchFinally

---

public class CatchTag

extends javax.servlet.jsp.tagext.TagSupport

implements javax.servlet.jsp.tagext.TryCatchFinally

Tag handler for <catch> in JSTL 1.0.

<catch> simply catches any Throwables that occur in its body and optionally exposes them.

---

Field Summary
private  boolean	caught
private  java.lang.String	var

 

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

id, pageContext

 

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

EVAL_BODY_AGAIN

 

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

 

Constructor Summary

CatchTag()

 

Method Summary
void	doCatch(java.lang.Throwable t)           Invoked if a Throwable occurs while evaluating the BODY inside a tag or in any of the following methods: Tag.doStartTag(), Tag.doEndTag(), IterationTag.doAfterBody() and BodyTag.doInitBody().
void	doFinally()           Invoked in all cases after doEndTag() for any class implementing Tag, IterationTag or BodyTag.
int	doStartTag()           Default processing of the start tag, returning SKIP_BODY.
private  void	init()
void	release()           Release state.
void	setVar(java.lang.String var)

 

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

doAfterBody, doEndTag, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

 

Methods inherited from class java.lang.Object

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

 

Field Detail

var

private java.lang.String var

---

caught

private boolean caught

Constructor Detail

CatchTag

public CatchTag()

Method Detail

release

public void release()

Description copied from class: javax.servlet.jsp.tagext.TagSupport

Release state.

Specified by:

release in interface javax.servlet.jsp.tagext.Tag

---

init

private void init()

---

doStartTag

public int doStartTag()

Description copied from class: javax.servlet.jsp.tagext.TagSupport

Default processing of the start tag, returning SKIP_BODY.

Specified by:

doStartTag in interface javax.servlet.jsp.tagext.Tag

---

doCatch

public void doCatch(java.lang.Throwable t)

Description copied from interface: javax.servlet.jsp.tagext.TryCatchFinally

Invoked if a Throwable occurs while evaluating the BODY inside a tag or in any of the following methods: Tag.doStartTag(), Tag.doEndTag(), IterationTag.doAfterBody() and BodyTag.doInitBody().

This method is not invoked if the Throwable occurs during one of the setter methods.

This method may throw an exception (the same or a new one) that will be propagated further up the nest chain. If an exception is thrown, doFinally() will be invoked.

This method is intended to be used to respond to an exceptional condition.

Specified by:

doCatch in interface javax.servlet.jsp.tagext.TryCatchFinally

---

doFinally

public void doFinally()

Description copied from interface: javax.servlet.jsp.tagext.TryCatchFinally

Invoked in all cases after doEndTag() for any class implementing Tag, IterationTag or BodyTag. This method is invoked even if an exception has occurred in the BODY of the tag, or in any of the following methods: Tag.doStartTag(), Tag.doEndTag(), IterationTag.doAfterBody() and BodyTag.doInitBody().

This method is not invoked if the Throwable occurs during one of the setter methods.

This method should not throw an Exception.

This method is intended to maintain per-invocation data integrity and resource management actions.

Specified by:

doFinally in interface javax.servlet.jsp.tagext.TryCatchFinally

---

setVar

public void setVar(java.lang.String var)

---

Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> taglibs >> standard >> tag >> common >> [ core overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---