001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017 package org.apache.logging.log4j.flume.appender; 018 019 import org.apache.logging.log4j.Logger; 020 import org.apache.logging.log4j.core.config.plugins.Plugin; 021 import org.apache.logging.log4j.core.config.plugins.PluginAttr; 022 import org.apache.logging.log4j.core.config.plugins.PluginFactory; 023 import org.apache.logging.log4j.status.StatusLogger; 024 025 /** 026 * Agent Specification for FlumeAvroAppender. 027 */ 028 @Plugin(name = "Agent", type = "Core", printObject = true) 029 public final class Agent { 030 031 private static final String DEFAULT_HOST = "localhost"; 032 033 private static final int DEFAULT_PORT = 35853; 034 035 private static final Logger LOGGER = StatusLogger.getLogger(); 036 037 private final String host; 038 039 private final int port; 040 041 private Agent(final String host, final int port) { 042 this.host = host; 043 this.port = port; 044 } 045 046 /** 047 * Retrieve the host name. 048 * @return The name of the host. 049 */ 050 public String getHost() { 051 return host; 052 } 053 054 /** 055 * Retrieve the port number. 056 * @return The port number. 057 */ 058 public int getPort() { 059 return port; 060 } 061 062 @Override 063 public String toString() { 064 return "host=" + host + " port=" + port; 065 } 066 067 /** 068 * Create an Agent. 069 * @param host The host name. 070 * @param port The port number. 071 * @return The Agent. 072 */ 073 @PluginFactory 074 public static Agent createAgent(@PluginAttr("host") String host, 075 @PluginAttr("port") final String port) { 076 if (host == null) { 077 host = DEFAULT_HOST; 078 } 079 080 int portNum; 081 if (port != null) { 082 try { 083 portNum = Integer.parseInt(port); 084 } catch (final Exception ex) { 085 LOGGER.error("Error parsing port number " + port, ex); 086 return null; 087 } 088 } else { 089 portNum = DEFAULT_PORT; 090 } 091 return new Agent(host, portNum); 092 } 093 }