org.apache.catalina.manager
Class StatusTransformer

java.lang.Object
  org.apache.catalina.manager.StatusTransformer

public class StatusTransformer
extends java.lang.Object

This is a refactoring of the servlet to externalize the output into a simple class. Although we could use XSLT, that is unnecessarily complex.

Author:

Peter Lin

StatusTransformer

public StatusTransformer()

setContentType

public static void setContentType(javax.servlet.http.HttpServletResponse response,
                                  int mode)

writeHeader

public static void writeHeader(java.io.PrintWriter writer,
                               int mode)

writeBody

public static void writeBody(java.io.PrintWriter writer,
                             java.lang.Object[] args,
                             int mode)

Write the header body. XML output doesn't bother to output this stuff, since it's just title.

Parameters:

writer - The output writer

args - What to write

mode - 0 means write

writeManager

public static void writeManager(java.io.PrintWriter writer,
                                java.lang.Object[] args,
                                int mode)

Write the manager webapp information.

Parameters:

writer - The output writer

args - What to write

mode - 0 means write

writePageHeading

public static void writePageHeading(java.io.PrintWriter writer,
                                    java.lang.Object[] args,
                                    int mode)

writeServerInfo

public static void writeServerInfo(java.io.PrintWriter writer,
                                   java.lang.Object[] args,
                                   int mode)

writeFooter

public static void writeFooter(java.io.PrintWriter writer,
                               int mode)

writeOSState

public static void writeOSState(java.io.PrintWriter writer,
                                int mode)

Write the OS state. Mode 0 will generate HTML. Mode 1 will generate XML.

writeVMState

public static void writeVMState(java.io.PrintWriter writer,
                                int mode)
                         throws java.lang.Exception

Write the VM state. Mode 0 will generate HTML. Mode 1 will generate XML.

Throws:

java.lang.Exception

writeConnectorState

public static void writeConnectorState(java.io.PrintWriter writer,
                                       javax.management.ObjectName tpName,
                                       java.lang.String name,
                                       javax.management.MBeanServer mBeanServer,
                                       java.util.Vector globalRequestProcessors,
                                       java.util.Vector requestProcessors,
                                       int mode)
                                throws java.lang.Exception

Write connector state.

Throws:

java.lang.Exception

writeProcessorState

protected static void writeProcessorState(java.io.PrintWriter writer,
                                          javax.management.ObjectName pName,
                                          javax.management.MBeanServer mBeanServer,
                                          int mode)
                                   throws java.lang.Exception

Write processor state.

Throws:

java.lang.Exception

writeDetailedState

public static void writeDetailedState(java.io.PrintWriter writer,
                                      javax.management.MBeanServer mBeanServer,
                                      int mode)
                               throws java.lang.Exception

Write applications state.

Throws:

java.lang.Exception

writeContext

protected static void writeContext(java.io.PrintWriter writer,
                                   javax.management.ObjectName objectName,
                                   javax.management.MBeanServer mBeanServer,
                                   int mode)
                            throws java.lang.Exception

Write context state.

Throws:

java.lang.Exception

writeManager

public static void writeManager(java.io.PrintWriter writer,
                                javax.management.ObjectName objectName,
                                javax.management.MBeanServer mBeanServer,
                                int mode)
                         throws java.lang.Exception

Write detailed information about a manager.

Throws:

java.lang.Exception

writeJspMonitor

public static void writeJspMonitor(java.io.PrintWriter writer,
                                   java.util.Set jspMonitorONs,
                                   javax.management.MBeanServer mBeanServer,
                                   int mode)
                            throws java.lang.Exception

Write JSP monitoring information.

Throws:

java.lang.Exception

writeWrapper

public static void writeWrapper(java.io.PrintWriter writer,
                                javax.management.ObjectName objectName,
                                javax.management.MBeanServer mBeanServer,
                                int mode)
                         throws java.lang.Exception

Write detailed information about a wrapper.

Throws:

java.lang.Exception

filter

public static java.lang.String filter(java.lang.Object obj)

Filter the specified message string for characters that are sensitive in HTML. This avoids potential attacks caused by including JavaScript codes in the request URL that is often reported in error messages.

Parameters:

obj - The message string to be filtered

formatSize

public static java.lang.String formatSize(java.lang.Object obj,
                                          boolean mb)

Display the given size in bytes, either as KB or MB.

Parameters:

mb - true to display megabytes, false for kilobytes

formatTime

public static java.lang.String formatTime(java.lang.Object obj,
                                          boolean seconds)

Display the given time in ms, either as ms or s.

Parameters:

seconds - true to display seconds, false for milliseconds

formatSeconds

public static java.lang.String formatSeconds(java.lang.Object obj)

Formats the given time (given in seconds) as a string.

Parameters:

obj - Time object to be formatted as string

Returns:

String formatted time