Package javax.servlet.jsp.jstl.tlv

Class PermittedTaglibsTLV

java.lang.Object

javax.servlet.jsp.tagext.TagLibraryValidator

javax.servlet.jsp.jstl.tlv.PermittedTaglibsTLV

public class PermittedTaglibsTLV
extends javax.servlet.jsp.tagext.TagLibraryValidator

A TagLibraryValidator class to allow a TLD to restrict what taglibs (in addition to itself) may be imported on a page where it's used.

This TLV supports the following initialization parameter:

• permittedTaglibs: A whitespace-separated list of URIs corresponding to tag libraries permitted to be imported on the page in addition to the tag library that references PermittedTaglibsTLV (which is allowed implicitly).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	PermittedTaglibsTLV.PermittedTaglibsHandler	The handler that provides the base of our implementation.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	failed
private java.lang.String	JSP_ROOT_NAME
private java.lang.String	JSP_ROOT_QN
private java.lang.String	JSP_ROOT_URI
private java.lang.String	PERMITTED_TAGLIBS_PARAM
private java.util.Set	permittedTaglibs
private java.lang.String	uri

Constructor Summary

Constructors

Constructor	Description
PermittedTaglibsTLV()

Method Summary

Modifier and Type	Method	Description
private void	init()
private java.util.Set	readConfiguration()	Returns Set of permitted taglibs, based on configuration data.
void	release()
javax.servlet.jsp.tagext.ValidationMessage[]	validate(java.lang.String prefix, java.lang.String uri, javax.servlet.jsp.tagext.PageData page)
private javax.servlet.jsp.tagext.ValidationMessage[]	vmFromString(java.lang.String message)

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

getInitParameters, setInitParameters

Methods inherited from class java.lang.Object

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

Field Detail

PERMITTED_TAGLIBS_PARAM

private final java.lang.String PERMITTED_TAGLIBS_PARAM

See Also:

Constant Field Values

JSP_ROOT_URI

private final java.lang.String JSP_ROOT_URI

See Also:

Constant Field Values

JSP_ROOT_NAME

private final java.lang.String JSP_ROOT_NAME

See Also:

Constant Field Values

JSP_ROOT_QN

private final java.lang.String JSP_ROOT_QN

See Also:

Constant Field Values

permittedTaglibs

private java.util.Set permittedTaglibs

failed

private boolean failed

uri

private java.lang.String uri

Constructor Detail

PermittedTaglibsTLV

public PermittedTaglibsTLV()

Method Detail

init

private void init()

release

public void release()

Overrides:

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

validate

public javax.servlet.jsp.tagext.ValidationMessage[] validate(java.lang.String prefix,
                                                             java.lang.String uri,
                                                             javax.servlet.jsp.tagext.PageData page)

Overrides:

validate in class javax.servlet.jsp.tagext.TagLibraryValidator

readConfiguration

private java.util.Set readConfiguration()

Returns Set of permitted taglibs, based on configuration data.

vmFromString

private javax.servlet.jsp.tagext.ValidationMessage[] vmFromString(java.lang.String message)