59 lines
1.7 KiB
Java
59 lines
1.7 KiB
Java
package de.bluecolored.bluemap.core.logger;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.time.ZoneId;
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import java.time.ZonedDateTime;
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import java.util.logging.Formatter;
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import java.util.logging.LogRecord;
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public class LogFormatter extends Formatter {
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private final String format;
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public LogFormatter() {
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this("[%1$tF %1$tT][%4$s] %5$s%6$s%n");
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}
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public LogFormatter(String format) {
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this.format = format;
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}
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/**
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* Taken from {@link java.util.logging.SimpleFormatter} to be able to overwrite the format string.
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* @param record the log record to be formatted.
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* @return the formatted log
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*/
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public String format(LogRecord record) {
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ZonedDateTime zdt = ZonedDateTime.ofInstant(
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record.getInstant(), ZoneId.systemDefault());
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String source;
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if (record.getSourceClassName() != null) {
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source = record.getSourceClassName();
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if (record.getSourceMethodName() != null) {
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source += " " + record.getSourceMethodName();
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}
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} else {
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source = record.getLoggerName();
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}
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String message = formatMessage(record);
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String throwable = "";
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if (record.getThrown() != null) {
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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pw.println();
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record.getThrown().printStackTrace(pw);
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pw.close();
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throwable = sw.toString();
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}
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return String.format(format,
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zdt,
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source,
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record.getLoggerName(),
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record.getLevel().getLocalizedName(),
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message,
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throwable);
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}
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}
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