org.eclipse.ecf.core.util
Class Trace

java.lang.Object
  org.eclipse.ecf.core.util.Trace

public class Trace
extends java.lang.Object

A utility for tracing debug information. Provides a simple interface for filtering and generating trace output.

Field Summary

protected static java.lang.String	LABEL_NEW_VALUE Label indicating new value.
protected static java.lang.String	LABEL_OLD_VALUE Label indicating old value.
protected static java.lang.String	PARENTHESIS_CLOSE String containing a close parenthesis.
protected static java.lang.String	PARENTHESIS_OPEN String containing an open parenthesis.
protected static java.lang.String	PREFIX_CATCHING Prefix for tracing the catching of throwables.
protected static java.lang.String	PREFIX_CHANGING Prefix for tracing the changing of values.
protected static java.lang.String	PREFIX_ENTERING Prefix for tracing the entering of methods.
protected static java.lang.String	PREFIX_EXITING Prefix for tracing the exiting of methods.
protected static java.lang.String	PREFIX_THROWING Prefix for tracing the throwing of throwables.
protected static java.lang.String	PREFIX_TRACING Prefix for tracing the changing of values.
protected static java.lang.String	SEPARATOR_METHOD Separator for methods.
protected static java.lang.String	SEPARATOR_PARAMETER Separator for parameters.
protected static java.lang.String	SEPARATOR_RETURN Separator for return values.
protected static java.lang.String	SEPARATOR_SPACE Separator containing a space.
protected static java.lang.String	TRACE_STR String containing TRACE

Method Summary

static void	catching(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.Throwable throwable) Traces the catching of the specified throwable in the specified method of the specified class.
static void	changing(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.String valueDescription, java.lang.Object oldValue, java.lang.Object newValue)
static void	changing(java.lang.String pluginId, java.lang.String option, java.lang.String valueDescription, java.lang.Object oldValue, java.lang.Object newValue) Traces the changing of a value.
static void	entering(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName) Traces the entering into the specified method of the specified class.
static void	entering(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.Object parameter) Traces the entering into the specified method of the specified class, with the specified parameter.
static void	entering(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.Object[] parameters) Traces the entering into the specified method of the specified class, with the specified parameters.
static void	exiting(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName) Traces the exiting from the specified method of the specified class.
static void	exiting(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.Object returnValue) Traces the exiting from the specified method of the specified class, with the specified return value.
static java.lang.String	getArgumentsString(java.lang.Object[] arguments) Retrieves a textual representation of the specified arguments.
static java.lang.String	getArgumentString(java.lang.Object argument) Retrieves a textual representation of the specified argument.
protected static java.lang.String	getTimeString() Get date and time string
protected static boolean	shouldTrace(java.lang.String pluginId) Retrieves a Boolean value indicating whether tracing is enabled for the specified plug-in.
static boolean	shouldTrace(java.lang.String pluginId, java.lang.String option) Retrieves a Boolean value indicating whether tracing is enabled for the specified debug option of the specified plug-in.
protected static boolean	shouldTrace0(java.lang.String option)
static void	throwing(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.Throwable throwable) Traces the throwing of the specified throwable from the specified method of the specified class.
protected static void	trace(java.lang.String message) Traces the specified message.
static void	trace(java.lang.String pluginId, java.lang.String message) Traces the specified message from the specified plug-in.
static void	trace(java.lang.String pluginId, java.lang.String option, java.lang.Class clazz, java.lang.String methodName, java.lang.String message) Traces the specified message from the specified plug-in for the specified debug option.
static void	trace(java.lang.String pluginId, java.lang.String option, java.lang.String message) Traces the specified message from the specified plug-in for the specified debug option.

Methods inherited from class java.lang.Object

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

Field Detail

PARENTHESIS_OPEN

protected static final java.lang.String PARENTHESIS_OPEN

String containing an open parenthesis.

See Also:

Constant Field Values

PARENTHESIS_CLOSE

protected static final java.lang.String PARENTHESIS_CLOSE

String containing a close parenthesis.

See Also:

Constant Field Values

TRACE_STR

protected static final java.lang.String TRACE_STR

String containing TRACE

See Also:

Constant Field Values

PREFIX_TRACING

protected static final java.lang.String PREFIX_TRACING

Prefix for tracing the changing of values.

See Also:

Constant Field Values

PREFIX_CHANGING

protected static final java.lang.String PREFIX_CHANGING

Prefix for tracing the changing of values.

See Also:

Constant Field Values

PREFIX_CATCHING

protected static final java.lang.String PREFIX_CATCHING

Prefix for tracing the catching of throwables.

See Also:

Constant Field Values

PREFIX_THROWING

protected static final java.lang.String PREFIX_THROWING

Prefix for tracing the throwing of throwables.

See Also:

Constant Field Values

PREFIX_ENTERING

protected static final java.lang.String PREFIX_ENTERING

Prefix for tracing the entering of methods.

See Also:

Constant Field Values

PREFIX_EXITING

protected static final java.lang.String PREFIX_EXITING

Prefix for tracing the exiting of methods.

See Also:

Constant Field Values

SEPARATOR_METHOD

protected static final java.lang.String SEPARATOR_METHOD

Separator for methods.

See Also:

Constant Field Values

SEPARATOR_PARAMETER

protected static final java.lang.String SEPARATOR_PARAMETER

Separator for parameters.

See Also:

Constant Field Values

SEPARATOR_RETURN

protected static final java.lang.String SEPARATOR_RETURN

Separator for return values.

See Also:

Constant Field Values

SEPARATOR_SPACE

protected static final java.lang.String SEPARATOR_SPACE

Separator containing a space.

See Also:

Constant Field Values

LABEL_OLD_VALUE

protected static final java.lang.String LABEL_OLD_VALUE

Label indicating old value.

See Also:

Constant Field Values

LABEL_NEW_VALUE

protected static final java.lang.String LABEL_NEW_VALUE

Label indicating new value.

See Also:

Constant Field Values

Method Detail

shouldTrace

protected static boolean shouldTrace(java.lang.String pluginId)

Retrieves a Boolean value indicating whether tracing is enabled for the specified plug-in.

Parameters:

pluginId - The symbolic plugin id for which to determine trace enablement.

Returns:

Whether tracing is enabled for the plug-in.

shouldTrace0

protected static boolean shouldTrace0(java.lang.String option)

shouldTrace

public static boolean shouldTrace(java.lang.String pluginId,
                                  java.lang.String option)

Retrieves a Boolean value indicating whether tracing is enabled for the specified debug option of the specified plug-in.

Parameters:

pluginId - The plug-in for which to determine trace enablement.

option - The debug option for which to determine trace enablement.

Returns:

Whether tracing is enabled for the debug option of the plug-in.

getArgumentString

public static java.lang.String getArgumentString(java.lang.Object argument)

Retrieves a textual representation of the specified argument.

Parameters:

argument - The argument for which to retrieve a textual representation.

Returns:

A textual representation of the specified argument.

getArgumentsString

public static java.lang.String getArgumentsString(java.lang.Object[] arguments)

Retrieves a textual representation of the specified arguments.

Parameters:

arguments - The arguments for which to retrieve a textual representation.

Returns:

A textual representation of the specified arguments.

trace

protected static void trace(java.lang.String message)

Traces the specified message.

Parameters:

message - The message to be traced.

getTimeString

protected static java.lang.String getTimeString()

Get date and time string

Returns:

String with current date and time

trace

public static void trace(java.lang.String pluginId,
                         java.lang.String message)

Traces the specified message from the specified plug-in.

Parameters:

pluginId - The plug-in from which to trace.

message - The message to be traced.

trace

public static void trace(java.lang.String pluginId,
                         java.lang.String option,
                         java.lang.String message)

Traces the specified message from the specified plug-in for the specified debug option.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

message - The message to be traced.

trace

public static void trace(java.lang.String pluginId,
                         java.lang.String option,
                         java.lang.Class clazz,
                         java.lang.String methodName,
                         java.lang.String message)

Traces the specified message from the specified plug-in for the specified debug option.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

message - The message to be traced.

changing

public static void changing(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.String valueDescription,
                            java.lang.Object oldValue,
                            java.lang.Object newValue)

Traces the changing of a value.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

valueDescription - The description of the value which is changing.

oldValue - The old value.

newValue - The new value.

changing

public static void changing(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.Class clazz,
                            java.lang.String methodName,
                            java.lang.String valueDescription,
                            java.lang.Object oldValue,
                            java.lang.Object newValue)

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class in which the value is changing.

methodName - The name of the method in which the value is changing.

valueDescription - The description of the value which is changing.

oldValue - The old value.

newValue - The new value.

catching

public static void catching(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.Class clazz,
                            java.lang.String methodName,
                            java.lang.Throwable throwable)

Traces the catching of the specified throwable in the specified method of the specified class.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class in which the throwable is being caught.

methodName - The name of the method in which the throwable is being caught.

throwable - The throwable that is being caught.

throwing

public static void throwing(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.Class clazz,
                            java.lang.String methodName,
                            java.lang.Throwable throwable)

Traces the throwing of the specified throwable from the specified method of the specified class.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class from which the throwable is being thrown.

methodName - The name of the method from which the throwable is being thrown.

throwable - The throwable that is being thrown.

entering

public static void entering(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.Class clazz,
                            java.lang.String methodName)

Traces the entering into the specified method of the specified class.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

entering

public static void entering(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.Class clazz,
                            java.lang.String methodName,
                            java.lang.Object parameter)

Traces the entering into the specified method of the specified class, with the specified parameter.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

parameter - The parameter to the method being entered.

entering

public static void entering(java.lang.String pluginId,
                            java.lang.String option,
                            java.lang.Class clazz,
                            java.lang.String methodName,
                            java.lang.Object[] parameters)

Traces the entering into the specified method of the specified class, with the specified parameters.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class whose method is being entered.

methodName - The name of method that is being entered.

parameters - The parameters to the method being entered.

exiting

public static void exiting(java.lang.String pluginId,
                           java.lang.String option,
                           java.lang.Class clazz,
                           java.lang.String methodName)

Traces the exiting from the specified method of the specified class.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class whose method is being exited.

methodName - The name of method that is being exited.

exiting

public static void exiting(java.lang.String pluginId,
                           java.lang.String option,
                           java.lang.Class clazz,
                           java.lang.String methodName,
                           java.lang.Object returnValue)

Traces the exiting from the specified method of the specified class, with the specified return value.

Parameters:

pluginId - The plug-in from which to trace.

option - The debug option for which to trace.

clazz - The class whose method is being exited.

methodName - The name of method that is being exited.

returnValue - The return value of the method being exited.