2 * Copyright 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.web;
19 import javax.servlet.ServletContext;
20 import java.util.logging.Formatter;
21 import java.util.logging.Handler;
22 import java.util.logging.LogRecord;
25 * A {@link Handler} that redirects log messages to the servlet container log.
29 final class ServletContextLogHandler extends Handler {
31 private final ServletContext context;
33 ServletContextLogHandler(ServletContext context) {
34 this.context = context;
38 public void publish(LogRecord record) {
39 Formatter formatter = getFormatter();
41 if (formatter == null) {
42 message = record.getMessage();
44 message = formatter.format(record);
46 Throwable throwable = record.getThrown();
47 if (throwable == null) {
50 context.log(message, throwable);