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Add simple Java Util Logging formatter
Add simple formatter used with the default logging.properties to improve JUL output.
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.bootstrap.logging;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.Date;
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import java.util.logging.Formatter;
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import java.util.logging.LogRecord;
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/**
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* Simple 'Java Logging' {@link Formatter}.
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*
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* @author Phillip Webb
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*/
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public class JavaLoggingFormatter extends Formatter {
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private static final String FORMAT = "%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS.%1$tL - [%7$s] %4$s - %3$s : %5$s%6$s%n";
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private final Date date = new Date();
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@Override
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public synchronized String format(LogRecord record) {
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this.date.setTime(record.getMillis());
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String source = record.getLoggerName();
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String message = formatMessage(record);
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String throwable = getThrowable(record);
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String thread = getThreadName();
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return String.format(FORMAT, this.date, source, record.getLoggerName(), record
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.getLevel().getLocalizedName(), message, throwable, thread);
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}
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private String getThrowable(LogRecord record) {
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if (record.getThrown() == null) {
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return "";
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}
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StringWriter stringWriter = new StringWriter();
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PrintWriter printWriter = new PrintWriter(stringWriter);
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printWriter.println();
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record.getThrown().printStackTrace(printWriter);
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printWriter.close();
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return stringWriter.toString();
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}
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private String getThreadName() {
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String name = Thread.currentThread().getName();
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return (name == null ? "" : name);
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}
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}
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@ -3,7 +3,9 @@ handlers = java.util.logging.FileHandler, java.util.logging.ConsoleHandler
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# File Logging
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# File Logging
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java.util.logging.FileHandler.pattern = %t/service.log
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java.util.logging.FileHandler.pattern = %t/service.log
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java.util.logging.FileHandler.formatter = java.util.logging.SimpleFormatter
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java.util.logging.FileHandler.formatter = org.springframework.bootstrap.logging.JavaLoggingFormatter
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java.util.logging.FileHandler.level = INFO
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java.util.logging.FileHandler.level = INFO
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java.util.logging.FileHandler.limit = 10485760
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java.util.logging.FileHandler.limit = 10485760
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java.util.logging.FileHandler.count = 10
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java.util.logging.FileHandler.count = 10
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java.util.logging.ConsoleHandler.formatter = org.springframework.bootstrap.logging.JavaLoggingFormatter
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