Java tutorial
/* * 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.synapse; import java.io.File; import java.net.InetAddress; import java.net.UnknownHostException; import java.util.HashMap; import java.util.Map; import org.apache.axis2.Axis2Constants; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * Encapsulates all server information */ public class SynapseServerInfoImpl implements SynapseServerInfo { private static final Log log = LogFactory.getLog(SynapseServerInfoImpl.class); /* The properties map */ private final Map<String, String> properties = new HashMap<String, String>(); /*The Axis2 repository location */ private String axis2RepoLocation; /* The path to the axis2.xml file */ private String axis2XmlLocation; /* The synapse home is the home directory of the Synapse installation */ private String synapseHome; /* The path to the synapse.xml file */ private String synapseXMLLocation; /* The root directory to resolve paths for registry, default to synapse.home/repository */ private String resolveRoot; /* An optional server name to activate pinned services, tasks etc.. and to differentiate instances on a cluster */ private String serverName = "localhost"; /* Server controller provider */ private String serverControllerProvider = DEFAULT_SERVER_CONTROLLER_PROVIDER; /* The default synapse server controller*/ private static final String DEFAULT_SERVER_CONTROLLER_PROVIDER = "org.apache.synapse.Axis2SynapseController"; /* whether it is needed to create a new server instance*/ private boolean createNewInstance = true; /* Server host name */ private String hostName; /* Server IP address*/ private String ipAddress; /* Deployment mode*/ private String deploymentMode; public SynapseServerInfoImpl() { initServerHostAndIP(); } public void setAxis2RepoLocation(String axis2RepoLocation) { assertNotNullOrEmpty(axis2RepoLocation, Axis2Constants.AXIS2_REPO); if (!new File(axis2RepoLocation).isAbsolute() && synapseHome != null) { this.axis2RepoLocation = synapseHome + File.separator + axis2RepoLocation; } else { this.axis2RepoLocation = axis2RepoLocation; } } public void setAxis2XmlLocation(String axis2Xml) { assertNotNullOrEmpty(axis2Xml, Axis2Constants.AXIS2_CONF); if (!new File(axis2Xml).isAbsolute() && synapseHome != null) { this.axis2XmlLocation = synapseHome + File.separator + axis2Xml; } else { this.axis2XmlLocation = axis2Xml; } } public void setSynapseHome(String synapseHome) { assertNotNullOrEmpty(synapseHome, SynapseConstants.SYNAPSE_HOME); this.synapseHome = synapseHome; } public void setResolveRoot(String resolveRoot) { if (resolveRoot == null || "".equals(resolveRoot)) { return; } if (!new File(resolveRoot).isAbsolute() && synapseHome != null) { this.resolveRoot = synapseHome + File.separator + resolveRoot; } else { this.resolveRoot = resolveRoot; } } public void setSynapseXMLLocation(String synapseXMLLocation) { assertNotNullOrEmpty(synapseXMLLocation, SynapseConstants.SYNAPSE_XML); if (!new File(synapseXMLLocation).isAbsolute() && synapseHome != null) { this.synapseXMLLocation = synapseHome + File.separator + synapseXMLLocation; } else { this.synapseXMLLocation = synapseXMLLocation; } } public String getAxis2RepoLocation() { return axis2RepoLocation; } public String getAxis2XmlLocation() { return axis2XmlLocation; } public String getSynapseHome() { return synapseHome; } public String getSynapseXMLLocation() { return synapseXMLLocation; } public String getResolveRoot() { return resolveRoot; } public String getServerName() { return serverName; } public void setServerName(String serverName) { this.serverName = serverName; } public String getServerControllerProvider() { return serverControllerProvider; } public void setServerControllerProvider(String serverControllerProvider) { this.serverControllerProvider = serverControllerProvider; } public boolean isCreateNewInstance() { return createNewInstance; } public void setCreateNewInstance(boolean createNewInstance) { this.createNewInstance = createNewInstance; } public String getHostName() { return hostName; } public void setHostName(String hostName) { this.hostName = hostName; } public String getIpAddress() { return ipAddress; } public void setIpAddress(String ipAddress) { this.ipAddress = ipAddress; } public String getDeploymentMode() { return deploymentMode; } public void setDeploymentMode(String deploymentMode) { this.deploymentMode = deploymentMode; } public void addConfigurationProperty(String key, String value) { assertNotNullOrEmpty(key); assertNotNullOrEmpty(value, key); properties.put(key.trim(), value.trim()); } public String getConfigurationProperty(String key) { assertNotNullOrEmpty(key); return properties.get(key.trim()); } private void assertNotNullOrEmpty(String value, String paramter) { if (value == null || "".equals(value)) { handleFatal("The parameter - " + paramter + " must be provided."); } } private void assertNotNullOrEmpty(String key) { if (key == null || "".equals(key)) { handleFatal("A configuration parameter is null or empty."); } } private void handleFatal(String msg) { log.fatal(msg); throw new SynapseException(msg); } private void initServerHostAndIP() { try { InetAddress addr = InetAddress.getLocalHost(); if (addr != null) { ipAddress = addr.getHostAddress(); hostName = addr.getHostName(); if (hostName == null) { hostName = ipAddress; } } } catch (UnknownHostException e) { log.warn("Unable to get the hostName or IP address of the server", e); } } @Override public String toString() { StringBuffer sb = new StringBuffer(); sb.append("[ Server Name : ").append(serverName).append(" ]"); sb.append("[ Synapse Home : ").append(synapseHome).append(" ]"); sb.append("[ Synapse XML : ").append(synapseXMLLocation).append(" ]"); sb.append("[ Server Host : ").append(hostName).append(" ]"); sb.append("[ Server IP : ").append(ipAddress).append(" ]"); sb.append("[ Axis2 Repository : ").append(axis2RepoLocation).append(" ]"); sb.append("[ Axis2 XML : ").append(axis2XmlLocation).append(" ]"); return sb.toString(); } }