git.gag.com Git - debian/openrocket/blob - src/net/sf/openrocket/startup/Application.java

   1 package net.sf.openrocket.startup;
   2
   3 import net.sf.openrocket.database.ThrustCurveMotorSetDatabase;
   4 import net.sf.openrocket.logging.LogHelper;
   5 import net.sf.openrocket.logging.LogLevel;
   6 import net.sf.openrocket.logging.LogLevelBufferLogger;
   7 import net.sf.openrocket.logging.PrintStreamLogger;
   8
   9 /**
  10  * A class that provides singleton instances / beans for other classes to utilize.
  11  *
  12  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  13  */
  14 public final class Application {
  15
  16         private static LogHelper logger;
  17         private static LogLevelBufferLogger logBuffer;
  18
  19         private static ThrustCurveMotorSetDatabase motorSetDatabase;
  20
  21         // Initialize the logger to something sane for testing without executing Startup
  22         static {
  23                 logger = new PrintStreamLogger();
  24                 for (LogLevel l : LogLevel.values()) {
  25                         ((PrintStreamLogger) logger).setOutput(l, System.out);
  26                 }
  27         }
  28
  29
  30         /**
  31          * Retrieve the logger to be used in logging.  By default this returns
  32          * a logger that outputs to stdout/stderr even if not separately initialized,
  33          * useful for development and debugging.
  34          */
  35         public static LogHelper getLogger() {
  36                 return logger;
  37         }
  38
  39         /**
  40          * Set the logger to be used in logging.  Note that calling this will only have effect
  41          * on not-yet loaded classes, as the instance is stored in a static variable.
  42          */
  43         public static void setLogger(LogHelper logger) {
  44                 Application.logger = logger;
  45         }
  46
  47
  48
  49         /**
  50          * Return the log buffer.
  51          *
  52          * @return the logBuffer or null if not initialized
  53          */
  54         public static LogLevelBufferLogger getLogBuffer() {
  55                 return logBuffer;
  56         }
  57
  58         /**
  59          * Set the log buffer logger.  The logger must be separately configured
  60          * to receive the logging.
  61          */
  62         public static void setLogBuffer(LogLevelBufferLogger logBuffer) {
  63                 Application.logBuffer = logBuffer;
  64         }
  65
  66
  67
  68         /**
  69          * Return the database of all thrust curves loaded into the system.
  70          */
  71         public static ThrustCurveMotorSetDatabase getMotorSetDatabase() {
  72                 return motorSetDatabase;
  73         }
  74
  75         /**
  76          * Set the database of thrust curves loaded into the system.
  77          */
  78         public static void setMotorSetDatabase(ThrustCurveMotorSetDatabase motorSetDatabase) {
  79                 Application.motorSetDatabase = motorSetDatabase;
  80         }
  81
  82
  83 }