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

Class UrlSupport

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

javax.servlet.jsp.tagext.BodyTagSupport

org.apache.taglibs.standard.tag.common.core.UrlSupport

All Implemented Interfaces:

Serializable, BodyTag, IterationTag, JspTag, Tag, ParamParent

Direct Known Subclasses:

UrlTag, UrlTag

public abstract class UrlSupport
extends BodyTagSupport
implements ParamParent

Support for tag handlers for <url>, the URL creation and rewriting tag in JSTL 1.0.

Author:

Shawn Bayern

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	context
protected String	value

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

bodyContent

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

id, pageContext

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

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

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

Constructors

Constructor and Description
UrlSupport()

Method Summary

Modifier and Type	Method and Description
void	addParameter(String name, String value) Adds a parameter to this tag's URL.
int	doEndTag() Default processing of the end tag returning EVAL_PAGE.
int	doStartTag() Default processing of the start tag returning EVAL_BODY_BUFFERED.
void	release() Release state.
static String	resolveUrl(String url, String context, PageContext pageContext)
void	setScope(String scope)
void	setVar(String var)

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

doAfterBody, doInitBody, getBodyContent, getPreviousOut, setBodyContent

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

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

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

getParent, setPageContext, setParent

Field Detail

value

protected String value

context

protected String context

Constructor Detail

UrlSupport

public UrlSupport()

Method Detail

setVar

public void setVar(String var)

setScope

public void setScope(String scope)

addParameter

public void addParameter(String name,
                         String value)

Description copied from interface: ParamParent

Adds a parameter to this tag's URL. The intent is that the <param> subtag will call this to register URL parameters. Assumes that 'name' and 'value' are appropriately encoded and do not contain any meaningful metacharacters; in order words, escaping is the responsibility of the caller.

Specified by:

addParameter in interface ParamParent

See Also:

ParamSupport

doStartTag

public int doStartTag()
               throws JspException

Description copied from class: BodyTagSupport

Default processing of the start tag returning EVAL_BODY_BUFFERED.

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class BodyTagSupport

Returns:

EVAL_BODY_BUFFERED

Throws:

JspException - if an error occurred while processing this tag

See Also:

Tag.doStartTag()

doEndTag

public int doEndTag()
             throws JspException

Description copied from class: BodyTagSupport

Default processing of the end tag returning EVAL_PAGE.

Specified by:

doEndTag in interface Tag

Overrides:

doEndTag in class BodyTagSupport

Returns:

EVAL_PAGE

Throws:

JspException - if an error occurred while processing this tag

See Also:

Tag.doEndTag()

release

public void release()

Description copied from class: BodyTagSupport

Release state.

Specified by:

release in interface Tag

Overrides:

release in class BodyTagSupport

See Also:

Tag.release()

resolveUrl

public static String resolveUrl(String url,
                                String context,
                                PageContext pageContext)
                         throws JspException

Throws:

JspException