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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.log 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.sun.midp.log.LoggingBase
      com.sun.midp.log.Logging

Logging
public class Logging extends LoggingBase (Code)
The purpose of the logging service is to provide a standard means to report runtime information from within Java or native code. The porting process is eased by having to modify one logging service implementation in place of handling the ad hoc use of println(), printf(), putc(), and other functions currently used. An assert mechanism for Java code, implemented using the logging service is also provided here for convenience. This class consists of the Java interface to the functionality of the logging service.


Field Summary
final public static  booleanASSERT_ENABLED
     Flag allowing client code with assert statements to be compiled out of a production build.
final public static  intREPORT_LEVEL
     Flag allowing client code with reporting levels less than this to be compiled out of the build.
final public static  booleanTRACE_ENABLED
     Flag to indicate whether tracing is enabled in the Logging service.


Method Summary
public static  voidenableAssert(int enabled)
     Enables or disables assertions.
public static  voidenableTrace(int enabled)
     Enables or disables tracing.
public static  voidinitLogSettings(int suiteId)
     Loads the logging settings for the specified suite.
public static  voidsetReportLevel(int newReportLevel)
     Sets a new report level.

Field Detail
ASSERT_ENABLED
final public static boolean ASSERT_ENABLED(Code)
Flag allowing client code with assert statements to be compiled out of a production build. Clients of the assertion service should wrap calls to the assert() method to enable them to be removed from builds when desired

 if (Logging.ASSERT_ENABLED) {
 Logging.assertTrue([eval to boolean], "message");
 }
 



REPORT_LEVEL
final public static int REPORT_LEVEL(Code)
Flag allowing client code with reporting levels less than this to be compiled out of the build. Callers should use this flag as a way to remove bytecodes related to unneeded levels of reporting from the resulting classfiles. For Example:

 if (Logging.REPORT_LEVEL <= severity) {
 Logging.report(Logging.<severity>,
 LogChannels.<channel>,
 "[meaningful message]");
 }
 



TRACE_ENABLED
final public static boolean TRACE_ENABLED(Code)
Flag to indicate whether tracing is enabled in the Logging service. If the flag is false, calls to the trace() method will have no effect. Callers should use this flag as a type of compile option to remove unnecessary bytecodes from resulting classfiles. For example:
 } catch (Throwable t) {
 if (Logging.TRACE_ENABLED) {
 Logging.trace(t, "[meaningful message]");
 }
 }
 





Method Detail
enableAssert
public static void enableAssert(int enabled)(Code)
Enables or disables assertions.
Parameters:
  enabled - > 0 - enable assertions, == 0 - disable it,< 0 - don't change the current setting



enableTrace
public static void enableTrace(int enabled)(Code)
Enables or disables tracing.
Parameters:
  enabled - > 0 - enable tracing, == 0 - disable it,< 0 - don't change the current setting



initLogSettings
public static void initLogSettings(int suiteId)(Code)
Loads the logging settings for the specified suite.
Parameters:
  suiteId - ID of the suite for which the settings must be loaded



setReportLevel
public static void setReportLevel(int newReportLevel)(Code)
Sets a new report level.
Parameters:
  newReportLevel - new report level



Fields inherited from com.sun.midp.log.LoggingBase
final public static int CRITICAL(Code)(Java Doc)
final public static int CURRENT(Code)(Java Doc)
final public static int DISABLED(Code)(Java Doc)
final public static int ERROR(Code)(Java Doc)
final public static int INFORMATION(Code)(Java Doc)
final public static int WARNING(Code)(Java Doc)

Methods inherited from com.sun.midp.log.LoggingBase
public static void assertTrue(boolean condition, String message)(Code)(Java Doc)
native public static void report(int severity, int channelID, String message)(Code)(Java Doc)
public static void trace(Throwable t, String message)(Code)(Java Doc)

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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