/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.juli;
@Override public String format(LogRecord record) {
Throwable t = record.getThrown(); int level = record.getLevel().intValue();
String name = record.getLoggerName(); long time = record.getMillis();
String message = formatMessage(record);
if (name.indexOf('.') >= 0) {
name = name.substring(name.lastIndexOf('.') + 1);
}
// Use a string buffer for better performance
StringBuilder buf = new StringBuilder();
buf.append(time);
// pad to 8 to make it more readable for (int i = 0; i < 8 - buf.length(); i++) {
buf.append(' ');
}
// Append a readable representation of the log level. switch (level) { case LOG_LEVEL_TRACE:
buf.append(" T "); break; case LOG_LEVEL_DEBUG:
buf.append(" D "); break; case LOG_LEVEL_INFO:
buf.append(" I "); break; case LOG_LEVEL_WARN:
buf.append(" W "); break; case LOG_LEVEL_ERROR:
buf.append(" E "); break; // case : buf.append(" F "); break; default:
buf.append(" ");
}
// Append the name of the log instance if so configured
buf.append(name);
buf.append(' ');
// pad to 20 chars for (int i = 0; i < 8 - buf.length(); i++) {
buf.append(' ');
}
// Append the message
buf.append(message);
// Append stack trace if not null if (t != null) {
buf.append(System.lineSeparator());
java.io.StringWriter sw = new java.io.StringWriter(1024);
java.io.PrintWriter pw = new java.io.PrintWriter(sw);
t.printStackTrace(pw);
pw.close();
buf.append(sw.toString());
}
buf.append(System.lineSeparator()); // Print to the appropriate destination return buf.toString();
}
}
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