| /* |
| * 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.decanter.appender.socket; |
| |
| import org.apache.karaf.decanter.api.marshaller.Marshaller; |
| import org.apache.karaf.decanter.appender.utils.EventFilter; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.*; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.event.EventHandler; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.PrintWriter; |
| import java.net.Socket; |
| import java.util.Dictionary; |
| |
| @Component( |
| name = "org.apache.karaf.decanter.appender.socket", |
| immediate = true, |
| configurationPolicy = ConfigurationPolicy.REQUIRE, |
| property = EventConstants.EVENT_TOPIC + "=decanter/collect/*" |
| ) |
| public class SocketAppender implements EventHandler { |
| |
| public static String HOST_PROPERTY = "host"; |
| public static String PORT_PROPERTY = "port"; |
| |
| public static String HOST_DEFAULT = "localhost"; |
| public static String PORT_DEFAULT = "34343"; |
| |
| @Reference |
| public Marshaller marshaller; |
| |
| private final static Logger LOGGER = LoggerFactory.getLogger(SocketAppender.class); |
| |
| private Dictionary<String, Object> config; |
| |
| @Activate |
| public void activate(ComponentContext componentContext) throws Exception { |
| this.config = componentContext.getProperties(); |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| if (EventFilter.match(event, config)) { |
| Socket socket = null; |
| PrintWriter writer = null; |
| try { |
| socket = new Socket( |
| getValue(config, HOST_PROPERTY, HOST_DEFAULT), |
| Integer.parseInt(getValue(config, PORT_PROPERTY, PORT_DEFAULT))); |
| String data = marshaller.marshal(event); |
| writer = new PrintWriter(socket.getOutputStream(), true); |
| writer.println(data); |
| } catch (Exception e) { |
| LOGGER.warn("Error sending data on the socket", e); |
| } finally { |
| if (writer != null) { |
| writer.flush(); |
| writer.close(); |
| } |
| if (socket != null) { |
| try { |
| socket.close(); |
| } catch (Exception e) { |
| // nothing to do |
| } |
| } |
| } |
| } |
| } |
| |
| private String getValue(Dictionary<String, Object> config, String key, String defaultValue) { |
| String value = (String)config.get(key); |
| return (value != null) ? value : defaultValue; |
| } |
| |
| } |