public final class TagUtil extends Object
TagUtil
class provides a series of utility methods which
may be used by tag library implementations to access Component API specific
objects and do other processing.Modifier and Type | Method and Description |
---|---|
static SlingHttpServletRequest |
getRequest(PageContext pageContext) |
static SlingHttpServletResponse |
getResponse(PageContext pageContext) |
static Throwable |
getRootCause(ServletException e)
Unwrap a component exception to get the true root cause of an exception
|
static void |
log(Logger log,
PageContext pageContext,
String message,
Throwable t)
Log an INFO message to the given logger with context information from
the
pageContext . |
public static void log(Logger log, PageContext pageContext, String message, Throwable t)
pageContext
.log
- The SLF4J Logger
to use for writing the message.pageContext
- The JSP page context providing contextual information
for the log message.message
- The message to log. If this is null
, the
message of the exception is taken, unless the expression is alos
null
, in which case this method just logs nothing.t
- The exception to be logged alongside the message. This may
be null
. If this is a ServletException
it
is unwrapped by the getRootCause(ServletException)
method
before being used.public static Throwable getRootCause(ServletException e)
public static SlingHttpServletRequest getRequest(PageContext pageContext)
public static SlingHttpServletResponse getResponse(PageContext pageContext)
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