diff options
Diffstat (limited to 'libs/MemorizingTrustManager/example/src/de/duenndns/mtmexample/JULHandler.java')
| -rw-r--r-- | libs/MemorizingTrustManager/example/src/de/duenndns/mtmexample/JULHandler.java | 258 |
1 files changed, 134 insertions, 124 deletions
diff --git a/libs/MemorizingTrustManager/example/src/de/duenndns/mtmexample/JULHandler.java b/libs/MemorizingTrustManager/example/src/de/duenndns/mtmexample/JULHandler.java index 6d183eb60..2cd70d0c5 100644 --- a/libs/MemorizingTrustManager/example/src/de/duenndns/mtmexample/JULHandler.java +++ b/libs/MemorizingTrustManager/example/src/de/duenndns/mtmexample/JULHandler.java @@ -34,136 +34,146 @@ import java.util.logging.Logger; * If there are no {@code DebugLogSettings} configured, then all messages sent * to JUL will be logged. * </p> - * + * * @author Florian Schmaus - * */ @SuppressWarnings("deprecation") public class JULHandler extends Handler { - /** Implement this interface to toggle debug logging. - */ - public interface DebugLogSettings { - public boolean isDebugLogEnabled(); - } - - private static final String CLASS_NAME = JULHandler.class.getName(); - - /** - * The global LogManager configuration. - * <p> - * This configures: - * <ul> - * <li> JULHandler as the default handler for all log messages - * <li> A default log level FINEST (300). Meaning that log messages of a level 300 or higher a - * logged - * </ul> - * </p> - */ - private static final InputStream LOG_MANAGER_CONFIG = new StringBufferInputStream( + /** + * Implement this interface to toggle debug logging. + */ + public interface DebugLogSettings { + public boolean isDebugLogEnabled(); + } + + private static final String CLASS_NAME = JULHandler.class.getName(); + + /** + * The global LogManager configuration. + * <p> + * This configures: + * <ul> + * <li> JULHandler as the default handler for all log messages + * <li> A default log level FINEST (300). Meaning that log messages of a level 300 or higher a + * logged + * </ul> + * </p> + */ + private static final InputStream LOG_MANAGER_CONFIG = new StringBufferInputStream( // @formatter:off -"handlers = " + CLASS_NAME + '\n' + -".level = FINEST" -); + "handlers = " + CLASS_NAME + '\n' + + ".level = FINEST" + ); // @formatter:on - // Constants for Android vs. JUL debug level comparisons - private static final int FINE_INT = Level.FINE.intValue(); - private static final int INFO_INT = Level.INFO.intValue(); - private static final int WARN_INT = Level.WARNING.intValue(); - private static final int SEVE_INT = Level.SEVERE.intValue(); - - private static final Logger LOGGER = Logger.getLogger(CLASS_NAME); - - /** A formatter that creates output similar to Android's Log.x. */ - private static final Formatter FORMATTER = new Formatter() { - @Override - public String format(LogRecord logRecord) { - Throwable thrown = logRecord.getThrown(); - if (thrown != null) { - StringWriter sw = new StringWriter(); - PrintWriter pw = new PrintWriter(sw, false); - pw.write(logRecord.getMessage() + ' '); - thrown.printStackTrace(pw); - pw.flush(); - return sw.toString(); - } else { - return logRecord.getMessage(); - } - } - }; - - private static DebugLogSettings sDebugLogSettings; - private static boolean initialized = false; - - public static void initialize() { - try { - LogManager.getLogManager().readConfiguration(LOG_MANAGER_CONFIG); - initialized = true; - } catch (IOException e) { - Log.e("JULHandler", "Can not initialize configuration", e); - } - if (initialized) LOGGER.info("Initialzied java.util.logging logger"); - } - - public static void setDebugLogSettings(DebugLogSettings debugLogSettings) { - if (!isInitialized()) initialize(); - sDebugLogSettings = debugLogSettings; - } - - public static boolean isInitialized() { - return initialized; - } - - public JULHandler() { - setFormatter(FORMATTER); - } - - @Override - public void close() {} - - @Override - public void flush() {} - - @Override - public boolean isLoggable(LogRecord record) { - final boolean debugLog = sDebugLogSettings == null ? true : sDebugLogSettings - .isDebugLogEnabled(); - - if (record.getLevel().intValue() <= FINE_INT) { - return debugLog; - } - return true; - } - - /** JUL method that forwards log records to Android's LogCat. */ - @Override - public void publish(LogRecord record) { - if (!isLoggable(record)) return; - - final int priority = getAndroidPriority(record.getLevel()); - final String tag = substringAfterLastDot(record.getSourceClassName()); - final String msg = getFormatter().format(record); - - Log.println(priority, tag, msg); - } - - /** Helper to convert JUL verbosity levels to Android's Log. */ - private static int getAndroidPriority(Level level) { - int value = level.intValue(); - if (value >= SEVE_INT) { - return Log.ERROR; - } else if (value >= WARN_INT) { - return Log.WARN; - } else if (value >= INFO_INT) { - return Log.INFO; - } else { - return Log.DEBUG; - } - } - - /** Helper to extract short class names. */ - private static String substringAfterLastDot(String s) { - return s.substring(s.lastIndexOf('.') + 1).trim(); - } + // Constants for Android vs. JUL debug level comparisons + private static final int FINE_INT = Level.FINE.intValue(); + private static final int INFO_INT = Level.INFO.intValue(); + private static final int WARN_INT = Level.WARNING.intValue(); + private static final int SEVE_INT = Level.SEVERE.intValue(); + + private static final Logger LOGGER = Logger.getLogger(CLASS_NAME); + + /** + * A formatter that creates output similar to Android's Log.x. + */ + private static final Formatter FORMATTER = new Formatter() { + @Override + public String format(LogRecord logRecord) { + Throwable thrown = logRecord.getThrown(); + if (thrown != null) { + StringWriter sw = new StringWriter(); + PrintWriter pw = new PrintWriter(sw, false); + pw.write(logRecord.getMessage() + ' '); + thrown.printStackTrace(pw); + pw.flush(); + return sw.toString(); + } else { + return logRecord.getMessage(); + } + } + }; + + private static DebugLogSettings sDebugLogSettings; + private static boolean initialized = false; + + public static void initialize() { + try { + LogManager.getLogManager().readConfiguration(LOG_MANAGER_CONFIG); + initialized = true; + } catch (IOException e) { + Log.e("JULHandler", "Can not initialize configuration", e); + } + if (initialized) LOGGER.info("Initialzied java.util.logging logger"); + } + + public static void setDebugLogSettings(DebugLogSettings debugLogSettings) { + if (!isInitialized()) initialize(); + sDebugLogSettings = debugLogSettings; + } + + public static boolean isInitialized() { + return initialized; + } + + public JULHandler() { + setFormatter(FORMATTER); + } + + @Override + public void close() { + } + + @Override + public void flush() { + } + + @Override + public boolean isLoggable(LogRecord record) { + final boolean debugLog = sDebugLogSettings == null ? true : sDebugLogSettings + .isDebugLogEnabled(); + + if (record.getLevel().intValue() <= FINE_INT) { + return debugLog; + } + return true; + } + + /** + * JUL method that forwards log records to Android's LogCat. + */ + @Override + public void publish(LogRecord record) { + if (!isLoggable(record)) return; + + final int priority = getAndroidPriority(record.getLevel()); + final String tag = substringAfterLastDot(record.getSourceClassName()); + final String msg = getFormatter().format(record); + + Log.println(priority, tag, msg); + } + + /** + * Helper to convert JUL verbosity levels to Android's Log. + */ + private static int getAndroidPriority(Level level) { + int value = level.intValue(); + if (value >= SEVE_INT) { + return Log.ERROR; + } else if (value >= WARN_INT) { + return Log.WARN; + } else if (value >= INFO_INT) { + return Log.INFO; + } else { + return Log.DEBUG; + } + } + + /** + * Helper to extract short class names. + */ + private static String substringAfterLastDot(String s) { + return s.substring(s.lastIndexOf('.') + 1).trim(); + } } |