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Add simple Java Util Logging formatter

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Add simple formatter used with the default logging.properties to
improve JUL output.
This commit is contained in:
Phillip Webb 2013-07-12 00:42:50 -07:00
parent 0121e15a32
commit 2a4454b524
2 changed files with 67 additions and 1 deletions
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64
spring-bootstrap/src/main/java/org/springframework/bootstrap/logging/JavaLoggingFormatter.java Normal file
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@ -0,0 +1,64 @@
/*
* Copyright 2012-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.bootstrap.logging;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;
/**
* Simple 'Java Logging' {@link Formatter}.
*
* @author Phillip Webb
*/
public class JavaLoggingFormatter extends Formatter {
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";
private final Date date = new Date();
@Override
public synchronized String format(LogRecord record) {
this.date.setTime(record.getMillis());
String source = record.getLoggerName();
String message = formatMessage(record);
String throwable = getThrowable(record);
String thread = getThreadName();
return String.format(FORMAT, this.date, source, record.getLoggerName(), record
.getLevel().getLocalizedName(), message, throwable, thread);
}
private String getThrowable(LogRecord record) {
if (record.getThrown() == null) {
return "";
}
StringWriter stringWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(stringWriter);
printWriter.println();
record.getThrown().printStackTrace(printWriter);
printWriter.close();
return stringWriter.toString();
}
private String getThreadName() {
String name = Thread.currentThread().getName();
return (name == null ? "" : name);
}
}

4
spring-bootstrap/src/main/resources/org/springframework/bootstrap/logging/logging.properties
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@ -3,7 +3,9 @@ handlers = java.util.logging.FileHandler, java.util.logging.ConsoleHandler
# File Logging
java.util.logging.FileHandler.pattern = %t/service.log
java.util.logging.FileHandler.formatter = java.util.logging.SimpleFormatter
java.util.logging.FileHandler.formatter = org.springframework.bootstrap.logging.JavaLoggingFormatter
java.util.logging.FileHandler.level = INFO
java.util.logging.FileHandler.limit = 10485760
java.util.logging.FileHandler.count = 10
java.util.logging.ConsoleHandler.formatter = org.springframework.bootstrap.logging.JavaLoggingFormatter