| /* |
| * 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.felix.ipojo.online.manipulator; |
| |
| import static java.lang.String.format; |
| |
| import java.io.PrintStream; |
| |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * Default implementation based on System.out |
| */ |
| public class SystemLogService implements LogService { |
| |
| public void log(final int level, final String message) { |
| log(null, level, message, null); |
| } |
| |
| public void log(final int level, final String message, final Throwable throwable) { |
| log(null, level, message, throwable); |
| } |
| |
| public void log(final ServiceReference reference, final int level, final String message) { |
| log(null, level, message, null); |
| } |
| |
| public void log(final ServiceReference reference, final int level, final String message, final Throwable throwable) { |
| PrintStream stream = System.out; |
| if (level >= LogService.LOG_WARNING) { |
| stream = System.err; |
| } |
| |
| String formatted = format("%s %s", asString(level), message); |
| |
| if (reference != null) { |
| formatted = format("[%s] %s", reference.getBundle().getSymbolicName(), formatted); |
| } |
| |
| // Print the message |
| stream.println(formatted); |
| if (throwable != null) { |
| throwable.printStackTrace(stream); |
| } |
| } |
| |
| private static String asString(final int level) { |
| String levelStr = "?"; |
| switch (level) { |
| case LOG_DEBUG: |
| levelStr = "D"; |
| break; |
| case LOG_INFO: |
| levelStr = "I"; |
| break; |
| case LOG_WARNING: |
| levelStr = "W"; |
| break; |
| case LOG_ERROR: |
| levelStr = "E"; |
| break; |
| } |
| return levelStr; |
| } |
| } |