bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/utils/LoggingOutputStream.java

   1 package org.simantics.scl.compiler.internal.codegen.utils;
   2
   3 import java.io.ByteArrayOutputStream;
   4 import java.io.OutputStream;
   5
   6 import org.slf4j.Logger;
   7
   8 public class LoggingOutputStream extends OutputStream {
   9
  10     private final ByteArrayOutputStream baos = new ByteArrayOutputStream(1000);
  11     private final Logger logger;
  12     private final LogLevel level;
  13
  14     public enum LogLevel {
  15         TRACE, DEBUG, INFO, WARN, ERROR,
  16     }
  17
  18     public LoggingOutputStream(Logger logger, LogLevel level) {
  19         this.logger = logger;
  20         this.level = level;
  21     }
  22
  23     @Override
  24     public void write(int b) {
  25         if (b == '\n') {
  26             String line = baos.toString();
  27             baos.reset();
  28
  29             switch (level) {
  30             case TRACE:
  31                 logger.trace(line);
  32                 break;
  33             case DEBUG:
  34                 logger.debug(line);
  35                 break;
  36             case ERROR:
  37                 logger.error(line);
  38                 break;
  39             case INFO:
  40                 logger.info(line);
  41                 break;
  42             case WARN:
  43                 logger.warn(line);
  44                 break;
  45             }
  46         } else {
  47             baos.write(b);
  48         }
  49     }
  50 }