| 1 | // Copyright (c) 2002 Dustin Sallings <dustin@spy.net> |
| 2 | |
| 3 | package net.spy.memcached.compat.log; |
| 4 | |
| 5 | /** |
| 6 | * Logging implementation using the sun logger. |
| 7 | */ |
| 8 | public class SunLogger extends AbstractLogger { |
| 9 | |
| 10 | // Can't really import this without confusion as there's another thing |
| 11 | // by this name in here. |
| 12 | private final java.util.logging.Logger sunLogger; |
| 13 | |
| 14 | /** |
| 15 | * Get an instance of SunLogger. |
| 16 | */ |
| 17 | public SunLogger(String name) { |
| 18 | super(name); |
| 19 | |
| 20 | // Get the sun logger instance. |
| 21 | sunLogger=java.util.logging.Logger.getLogger(name); |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * True if the underlying logger would allow Level.FINE through. |
| 26 | */ |
| 27 | @Override |
| 28 | public boolean isDebugEnabled() { |
| 29 | return(sunLogger.isLoggable(java.util.logging.Level.FINE)); |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * True if the underlying logger would allow Level.INFO through. |
| 34 | */ |
| 35 | @Override |
| 36 | public boolean isInfoEnabled() { |
| 37 | return(sunLogger.isLoggable(java.util.logging.Level.INFO)); |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Wrapper around sun logger. |
| 42 | * |
| 43 | * @param level net.spy.compat.log.AbstractLogger level. |
| 44 | * @param message object message |
| 45 | * @param e optional throwable |
| 46 | */ |
| 47 | @Override |
| 48 | public void log(Level level, Object message, Throwable e) { |
| 49 | java.util.logging.Level sLevel=java.util.logging.Level.SEVERE; |
| 50 | |
| 51 | switch(level == null ? Level.FATAL : level) { |
| 52 | case DEBUG: |
| 53 | sLevel=java.util.logging.Level.FINE; |
| 54 | break; |
| 55 | case INFO: |
| 56 | sLevel=java.util.logging.Level.INFO; |
| 57 | break; |
| 58 | case WARN: |
| 59 | sLevel=java.util.logging.Level.WARNING; |
| 60 | break; |
| 61 | case ERROR: |
| 62 | sLevel=java.util.logging.Level.SEVERE; |
| 63 | break; |
| 64 | case FATAL: |
| 65 | sLevel=java.util.logging.Level.SEVERE; |
| 66 | break; |
| 67 | default: |
| 68 | // I don't know what this is, so consider it fatal |
| 69 | sLevel=java.util.logging.Level.SEVERE; |
| 70 | sunLogger.log(sLevel, "Unhandled log level: " + level |
| 71 | + " for the following message"); |
| 72 | } |
| 73 | |
| 74 | // Figure out who was logging. |
| 75 | Throwable t=new Throwable(); |
| 76 | StackTraceElement[] ste=t.getStackTrace(); |
| 77 | StackTraceElement logRequestor=null; |
| 78 | String alclass=AbstractLogger.class.getName(); |
| 79 | for(int i=0; i<ste.length && logRequestor==null; i++) { |
| 80 | if(ste[i].getClassName().equals(alclass)) { |
| 81 | // Make sure there's another stack frame. |
| 82 | if(i+1<ste.length) { |
| 83 | logRequestor=ste[i+1]; |
| 84 | if(logRequestor.getClassName().equals(alclass)) { |
| 85 | logRequestor=null; |
| 86 | } // Also AbstractLogger |
| 87 | } // Found something that wasn't abstract logger |
| 88 | } // check for abstract logger |
| 89 | } |
| 90 | |
| 91 | // See if we could figure out who was doing the original logging, |
| 92 | // if we could, we want to include a useful class and method name |
| 93 | if(logRequestor!=null) { |
| 94 | if(e != null) { |
| 95 | sunLogger.logp(sLevel, logRequestor.getClassName(), |
| 96 | logRequestor.getMethodName(), message.toString(), e); |
| 97 | } else { |
| 98 | sunLogger.logp(sLevel, logRequestor.getClassName(), |
| 99 | logRequestor.getMethodName(), message.toString()); |
| 100 | } |
| 101 | } else { |
| 102 | if(e != null) { |
| 103 | sunLogger.log(sLevel, message.toString(), e); |
| 104 | } else { |
| 105 | sunLogger.log(sLevel, message.toString()); |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | } |