/*
* Copyright 2010 Google Inc.
*
* 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 com.google.gwt.logging.impl;
import java.io.PrintStream;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;
/**
* Base class for Formatters - provides common functionality.
*/
public abstract class FormatterImpl extends Formatter {
/**
* Note that this format is likely to change in the future.
* Outputs the meta information in the log record in the following format:
* <pre>Date LoggerName\nLEVEL:</pre>
* Most formatters will append the message right after the colon
*/
protected String getRecordInfo(LogRecord event, String newline) {
Date date = new Date(event.getMillis());
StringBuilder s = new StringBuilder();
s.append(date.toString());
s.append(" ");
s.append(event.getLoggerName());
s.append(newline);
s.append(event.getLevel().getName());
s.append(": ");
return s.toString();
}
/**
* @deprecated Use {@link Throwable#printStackTrace(PrintStream)} with
* {@link StackTracePrintStream} instead.
*/
@Deprecated
protected String getStackTraceAsString(Throwable e, final String newline, final String indent) {
if (e == null) {
return "";
}
final StringBuilder builder = new StringBuilder();
PrintStream stream = new StackTracePrintStream(builder) {
@Override
public void append(String str) {
builder.append(str.replaceAll("\t", indent));
}
@Override
public void newLine() {
builder.append(newline);
}
};
e.printStackTrace(stream);
return builder.toString();
}
}