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package uk.sponte.automation.seleniumpom.logging;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.MessageFormat;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;

/**
 * Created by evops on 08/02/2016.
 */
public class SingleLineFormatter extends Formatter {

    Date dat = new Date();
    private final static String format = "{0,date} {0,time}";
    private MessageFormat formatter;
    private Object args[] = new Object[1];

    // Line separator string.  This is the value of the line.separator
    // property at the moment that the SimpleFormatter was created.
    //private String lineSeparator = (String) java.security.AccessController.doPrivileged(
    //        new sun.security.action.GetPropertyAction("line.separator"));
    private String lineSeparator = "\n";

    /**
     * Format the given LogRecord.
     * @param record the log record to be formatted.
     * @return a formatted log record
     */
    public synchronized String format(LogRecord record) {

        StringBuilder sb = new StringBuilder();

        // Minimize memory allocations here.
        dat.setTime(record.getMillis());
        args[0] = dat;


        // Date and time
        StringBuffer text = new StringBuffer();
        if (formatter == null) {
            formatter = new MessageFormat(format);
        }
        formatter.format(args, text, null);
        sb.append(text);
        sb.append(" ");


        // Class name
        if (record.getSourceClassName() != null) {
            sb.append(record.getSourceClassName());
        } else {
            sb.append(record.getLoggerName());
        }

        // Method name
        if (record.getSourceMethodName() != null) {
            sb.append(" ");
            sb.append(record.getSourceMethodName());
        }
        sb.append(" - "); // lineSeparator



        String message = formatMessage(record);

        // Level
        sb.append(record.getLevel().getLocalizedName());
        sb.append(": ");

        // Indent - the more serious, the more indented.
        //sb.append( String.format("% ""s") );
//        int iOffset = (1000 - record.getLevel().intValue()) / 100;
//        for( int i = 0; i < iOffset;  i++ ){
//            sb.append(" ");
//        }


        sb.append(message);
        sb.append(lineSeparator);
        if (record.getThrown() != null) {
            try {
                StringWriter sw = new StringWriter();
                PrintWriter pw = new PrintWriter(sw);
                record.getThrown().printStackTrace(pw);
                pw.close();
                sb.append(sw.toString());
            } catch (Exception ex) {
            }
        }
        return sb.toString();
    }
}