| /* |
| * 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.karaf.main; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.Properties; |
| import java.util.logging.Handler; |
| import java.util.logging.LogRecord; |
| import java.util.logging.StreamHandler; |
| |
| /** |
| * Convenience class for configuring java.util.logging to append to |
| * the configured log4j log. This could be used for bootstrap logging |
| * prior to start of the framework. |
| * |
| */ |
| public class BootstrapLogManager { |
| private static Handler handler; |
| private static final String KARAF_BOOTSTRAP_LOG = "karaf.bootstrap.log"; |
| |
| private static Properties configProps; |
| |
| public static synchronized Handler getDefaultHandler () { |
| if (handler != null) { |
| return handler; |
| } |
| String filename; |
| File log; |
| Properties props = new Properties(); |
| filename = configProps.getProperty(KARAF_BOOTSTRAP_LOG); |
| |
| if (filename != null) { |
| log = new File(filename); |
| } else { |
| // Make a best effort to log to the default file appender configured for log4j |
| FileInputStream fis = null; |
| try { |
| fis = new FileInputStream(System.getProperty("karaf.base") + "/etc/org.ops4j.pax.logging.cfg"); |
| props.load(fis); |
| } catch (IOException e) { |
| props.setProperty("log4j.appender.out.file", "${karaf.data}/log/karaf.log"); |
| } finally { |
| if (fis != null) { |
| try { |
| fis.close(); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| } |
| } |
| |
| if (props.getProperty("log4j.appender.out.file") == null) { |
| // manage if the log4j.appender.out.file property is not present in |
| // the etc/org.ops4j.pax.logging.cfg file |
| props.setProperty("log4j.appender.out.file", "${karaf.data}/log/karaf.log"); |
| } |
| filename = Main.substVars(props.getProperty("log4j.appender.out.file"),"log4j.appender.out.file", null, null); |
| log = new File(filename); |
| } |
| |
| |
| try { |
| handler = new BootstrapLogManager.SimpleFileHandler(log); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| |
| return handler; |
| } |
| |
| public static void setProperties(Properties configProps) { |
| BootstrapLogManager.configProps = configProps; |
| } |
| |
| |
| /** |
| * Implementation of java.util.logging.Handler that does simple appending |
| * to a named file. Should be able to use this for bootstrap logging |
| * via java.util.logging prior to startup of pax logging. |
| */ |
| public static class SimpleFileHandler extends StreamHandler { |
| |
| public SimpleFileHandler (File file) throws IOException { |
| open(file, true); |
| } |
| |
| private void open (File logfile, boolean append) throws IOException { |
| if (!logfile.getParentFile().exists()) { |
| try { |
| logfile.getParentFile().mkdirs(); |
| } catch (SecurityException se) { |
| throw new IOException(se.getMessage()); |
| } |
| } |
| FileOutputStream fout = new FileOutputStream(logfile, append); |
| BufferedOutputStream out = new BufferedOutputStream(fout); |
| setOutputStream(out); |
| } |
| |
| public synchronized void publish (LogRecord record) { |
| if (!isLoggable(record)) { |
| return; |
| } |
| super.publish(record); |
| flush(); |
| } |
| } |
| |
| |
| } |