git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/logging/PrintStreamLogger.java

   1 package net.sf.openrocket.logging;
   2
   3 import java.io.PrintStream;
   4 import java.util.EnumMap;
   5
   6 /**
   7  * A logger that output log lines to various print streams depending on the log level.
   8  * By default output is logged nowhere.
   9  *
  10  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  11  */
  12 public class PrintStreamLogger extends LogHelper {
  13
  14         private final EnumMap<LogLevel, PrintStream> output = new EnumMap<LogLevel, PrintStream>(LogLevel.class);
  15
  16
  17         @Override
  18         public void log(LogLine line) {
  19                 PrintStream stream = output.get(line.getLevel());
  20                 if (stream != null) {
  21                         stream.println(line.toString());
  22                 }
  23         }
  24
  25         public PrintStream getOutput(LogLevel level) {
  26                 return output.get(level);
  27         }
  28
  29         public void setOutput(LogLevel level, PrintStream stream) {
  30                 if (level == null) {
  31                         throw new IllegalArgumentException("level=" + level + " stream=" + stream);
  32                 }
  33                 output.put(level, stream);
  34         }
  35
  36 }