org.ejtools.servlet.http.jsp.tagext
Class RequestParameterTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--org.ejtools.servlet.http.jsp.tagext.RequestParameterTag

All Implemented Interfaces:

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

public class RequestParameterTag

extends javax.servlet.jsp.tagext.TagSupport

Tag that put a request parameter in the page context

The request parameter is put in the context with :

• The id parameter : used as the identifier
• The name parameter : used to fetch the request parameter
• The type parameter : used to type the request parameter
• The value parameter : used as a default value if the request parameter is not found

Version:

$Revision: 1.4 $

Author:

Laurent Etiemble

See Also:

Serialized Form

Field Summary

protected java.lang.String	id Id property of the tag
protected java.lang.String	name Name property of the tag
protected java.lang.String	type Type property of the tag
protected java.lang.String	value Value property of the tag

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

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

RequestParameterTag()

Method Summary

protected java.lang.Object	convert(java.lang.String s, java.lang.String type) Used to transform a string into a type object
int	doStartTag() Executed when the start tag is encountered
java.lang.String	getId() Gets the id value of this tag
java.lang.String	getName() Gets the name value of this tag
java.lang.String	getType() Gets the type value of this tag
java.lang.String	getValue() Gets the value value of this tag
void	release() Release all allocated resources.
void	setId(java.lang.String id) Sets the id value of this tag
void	setName(java.lang.String name) Sets the name value of this tag
void	setType(java.lang.String type) Sets the type value of this tag
void	setValue(java.lang.String value) Sets the value value of this tag

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

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

Methods inherited from class java.lang.Object

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

Field Detail

id

protected java.lang.String id

Id property of the tag

name

protected java.lang.String name

Name property of the tag

type

protected java.lang.String type

Type property of the tag

value

protected java.lang.String value

Value property of the tag

Constructor Detail

RequestParameterTag

public RequestParameterTag()

Method Detail

doStartTag

public int doStartTag()
               throws javax.servlet.jsp.JspException

Executed when the start tag is encountered

Specified by:

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

Overrides:

doStartTag in class javax.servlet.jsp.tagext.TagSupport

Returns:

An int value to resume or not the processing

Throws:

javax.servlet.jsp.JspException - In case of problem

getId

public java.lang.String getId()

Gets the id value of this tag

Overrides:

getId in class javax.servlet.jsp.tagext.TagSupport

Returns:

The id value

getName

public java.lang.String getName()

Gets the name value of this tag

Returns:

The name value

getType

public java.lang.String getType()

Gets the type value of this tag

Returns:

The type value

getValue

public java.lang.String getValue()

Gets the value value of this tag

Returns:

The value value

release

public void release()

Release all allocated resources.

Specified by:

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

Overrides:

release in class javax.servlet.jsp.tagext.TagSupport

setId

public void setId(java.lang.String id)

Sets the id value of this tag

Overrides:

setId in class javax.servlet.jsp.tagext.TagSupport

Parameters:

id - The new id value

setName

public void setName(java.lang.String name)

Sets the name value of this tag

Parameters:

name - The new name value

setType

public void setType(java.lang.String type)

Sets the type value of this tag

Parameters:

type - The new type value

setValue

public void setValue(java.lang.String value)

Sets the value value of this tag

Parameters:

value - The new value value

convert

protected java.lang.Object convert(java.lang.String s,
                                   java.lang.String type)

Used to transform a string into a type object

Parameters:

s - The string representation of the object

type - The type of the object

Returns:

A type object