| /* |
| * 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.audit.layout; |
| |
| import org.apache.karaf.audit.Event; |
| import org.apache.karaf.audit.EventLayout; |
| import org.apache.karaf.audit.util.Buffer; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceEvent; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.management.ManagementFactory; |
| import java.net.InetAddress; |
| import java.net.NetworkInterface; |
| import java.net.SocketException; |
| import java.net.UnknownHostException; |
| import java.nio.CharBuffer; |
| import java.util.Enumeration; |
| |
| public abstract class AbstractLayout implements EventLayout { |
| |
| protected final String hostName; |
| protected final String appName; |
| protected final String procId; |
| |
| protected final Buffer buffer; |
| |
| public AbstractLayout(Buffer buffer) { |
| this.hostName = hostname(); |
| this.appName = System.getProperty("karaf.name", "-"); |
| this.procId = procId(); |
| this.buffer = buffer; |
| } |
| |
| @Override |
| public void format(Event event, Appendable to) throws IOException { |
| doFormat(event); |
| buffer.writeTo(to); |
| } |
| |
| @Override |
| public CharBuffer format(Event event) throws IOException { |
| doFormat(event); |
| return CharBuffer.wrap(buffer.buffer(), 0, buffer.position()); |
| } |
| |
| private void doFormat(Event event) throws IOException { |
| buffer.clear(); |
| header(event); |
| message(event); |
| footer(event); |
| } |
| |
| protected abstract void header(Event event) throws IOException; |
| |
| protected abstract void footer(Event event) throws IOException; |
| |
| protected void message(Event event) throws IOException { |
| append("subject", event.subject()); |
| append("type", event.type()); |
| append("subtype", event.subtype()); |
| String message = null; |
| switch (event.type()) { |
| case Event.TYPE_SHELL: { |
| append(event, "script"); |
| append(event, "command"); |
| append(event, "exception"); |
| break; |
| } |
| case Event.TYPE_LOGIN: { |
| append(event, "username"); |
| break; |
| } |
| case Event.TYPE_JMX: { |
| append(event, "method"); |
| append(event, "signature"); |
| append(event, "params"); |
| append(event, "result"); |
| append(event, "exception"); |
| break; |
| } |
| case Event.TYPE_LOG: { |
| Bundle bundle = (Bundle) event.getProperty("bundle"); |
| if (bundle != null) { |
| append("bundle.id", bundle.getBundleId()); |
| append("bundle.symbolicname", bundle.getSymbolicName()); |
| append("bundle.version", bundle.getVersion()); |
| } |
| append(event, "message"); |
| append(event, "exception"); |
| break; |
| } |
| case Event.TYPE_BUNDLE: { |
| Bundle bundle = (Bundle) event.getProperty("bundle"); |
| append("bundle.id", bundle.getBundleId()); |
| append("bundle.symbolicname", bundle.getSymbolicName()); |
| append("bundle.version", bundle.getVersion()); |
| break; |
| } |
| case Event.TYPE_SERVICE: { |
| ServiceEvent se = (ServiceEvent) event.getProperty("event"); |
| append("service.bundleid", se.getServiceReference().getProperty(Constants.SERVICE_BUNDLEID)); |
| append("service.id", se.getServiceReference().getProperty(Constants.SERVICE_ID)); |
| append("objectClass", se.getServiceReference().getProperty(Constants.OBJECTCLASS)); |
| break; |
| } |
| case Event.TYPE_WEB: { |
| append(event, "servlet.servlet"); |
| append(event, "servlet.alias"); |
| break; |
| } |
| case Event.TYPE_REPOSITORIES: { |
| append(event, "uri"); |
| break; |
| } |
| case Event.TYPE_FEATURES: { |
| append(event, "name"); |
| append(event, "version"); |
| break; |
| } |
| case Event.TYPE_BLUEPRINT: { |
| append(event, "bundle.id"); |
| append(event, "bundle.symbolicname"); |
| append(event, "bundle.version"); |
| break; |
| } |
| default: { |
| for (String key : event.keys()) { |
| append(event, key); |
| } |
| break; |
| } |
| } |
| } |
| |
| private void append(Event event, String key) throws IOException { |
| append(key, event.getProperty(key)); |
| } |
| |
| protected abstract void append(String key, Object val) throws IOException; |
| |
| private static String hostname() { |
| try { |
| final InetAddress addr = InetAddress.getLocalHost(); |
| return addr.getHostName(); |
| } catch (final UnknownHostException uhe) { |
| try { |
| final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); |
| while (interfaces.hasMoreElements()) { |
| final NetworkInterface nic = interfaces.nextElement(); |
| final Enumeration<InetAddress> addresses = nic.getInetAddresses(); |
| while (addresses.hasMoreElements()) { |
| final InetAddress address = addresses.nextElement(); |
| if (!address.isLoopbackAddress()) { |
| final String hostname = address.getHostName(); |
| if (hostname != null) { |
| return hostname; |
| } |
| } |
| } |
| } |
| } catch (final SocketException se) { |
| // Ignore exception. |
| } |
| return "-"; |
| } |
| } |
| |
| private static String procId() { |
| try { |
| return ManagementFactory.getRuntimeMXBean().getName().split("@")[0]; // likely works on most platforms |
| } catch (final Exception ex) { |
| try { |
| return new File("/proc/self").getCanonicalFile().getName(); // try a Linux-specific way |
| } catch (final IOException ignoredUseDefault) { |
| // Ignore exception. |
| } |
| } |
| return "-"; |
| } |
| |
| } |