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TerseLoggingFormatter.java

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package net.threebit.utils.sosc;

import java.io.*;
import java.nio.charset.Charset;
import java.util.*;
import java.util.logging.*;
import java.text.SimpleDateFormat;

public class TerseLoggingFormatter extends Formatter {

        private LogManager manager = LogManager.getLogManager();

        final private static SimpleDateFormat dateFmt = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss");
        // dateFmt.format(d)

        final private static Date date = new Date();

  public String format(LogRecord record) {
                StringBuffer sb = new StringBuffer(500);
                date.setTime(record.getMillis());

                String sourceClassName = record.getSourceClassName();
                if (sourceClassName.lastIndexOf(".") != -1) {
                        // Remove the package from the source class name for briefity.
                        sourceClassName = sourceClassName.substring((sourceClassName.lastIndexOf(".")+1));
                }

    sb.append(record.getThreadID());
                sb.append(" ");
                sb.append(dateFmt.format(date));
                sb.append(" ");
                sb.append(sourceClassName);
                sb.append(".");
                sb.append(record.getSourceMethodName());
                sb.append("() ");
                sb.append(record.getMessage());

                Object[] parameters = record.getParameters();
                if (parameters != null && parameters.length > 0) {

                        for (int x = 0; x < parameters.length; x++) {
                                if (parameters[x] != null) {
                                        sb.append("\n  param("+x+") "+parameters[x].getClass().getName()+" "+parameters[x]);
                                }
                                else {
                                        sb.append("\n  param("+x+") null");
                                }
                        }
                }

                // terminate the line.
                sb.append("\n");

    if (record.getThrown() != null) {
                        Throwable th = record.getThrown();
                        while (th != null) {
                                sb.append(th.toString());
                                sb.append("\n");
                                StackTraceElement trace[] = th.getStackTrace();
                                for (int i = 0; i < trace.length; i++) {
                                        StackTraceElement frame = trace[i];
                                        sb.append("  ");
                                        sb.append(frame.getClassName());
                                        sb.append(".");
                                        sb.append(frame.getMethodName());
                                        sb.append("(");
                                        sb.append(frame.getLineNumber());
                                        sb.append(")\n");
                                }
                                th = th.getCause();
                        }
                }

                // done; return the formatted string.
    return sb.toString();
  }

  public String getHead(Handler h) {
                return "";
  }

  public String getTail(Handler h) {
    return "";
  }
}

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