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.geronimo.system.properties; 018 019 import java.util.Iterator; 020 import java.util.Properties; 021 import java.util.Map; 022 023 import org.apache.commons.logging.Log; 024 import org.apache.commons.logging.LogFactory; 025 import org.apache.geronimo.gbean.GBeanInfo; 026 import org.apache.geronimo.gbean.GBeanInfoBuilder; 027 import org.apache.geronimo.system.serverinfo.ServerInfo; 028 029 /** 030 * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $ 031 */ 032 public class SystemProperties { 033 034 private final Log log = LogFactory.getLog(SystemProperties.class); 035 036 public SystemProperties(Properties systemProperties, Properties systemPathProperties, ServerInfo serverInfo, Properties sunSystemProperties, Properties ibmSystemProperties, Properties apacheSystemProperties) { 037 if (log.isDebugEnabled()) log.debug("Setting systemProperties"); 038 setProperties(systemProperties, null); 039 040 if (JvmVendor.isIBM()) { 041 if (log.isDebugEnabled()) log.debug("Setting ibmSystemProperties for the IBM JVM"); 042 setProperties(ibmSystemProperties, null); 043 } else if (JvmVendor.isApache()) { 044 if (log.isDebugEnabled()) log.debug("Setting apacheSystemProperties for the Apache Harmony JVM"); 045 setProperties(apacheSystemProperties, null); 046 } else { 047 if (log.isDebugEnabled()) log.debug("Setting sunSystemProperties for the Sun JVM"); 048 setProperties(sunSystemProperties, null); 049 } 050 051 if (serverInfo != null) { 052 if (log.isDebugEnabled()) log.debug("Setting systemPathProperties"); 053 setProperties(systemPathProperties, serverInfo); 054 } 055 } 056 057 private void setProperties(Properties properties, ServerInfo serverInfo) { 058 if (properties != null) { 059 for (Iterator iterator = properties.entrySet().iterator(); iterator.hasNext();) { 060 Map.Entry entry = (Map.Entry) iterator.next(); 061 String propertyName = (String) entry.getKey(); 062 String propertyValue = (String) entry.getValue(); 063 if (serverInfo != null) { 064 propertyValue = serverInfo.resolvePath(propertyValue); 065 } 066 String currentPropertyValue = System.getProperty(propertyName); 067 if (currentPropertyValue == null) { 068 System.setProperty(propertyName, propertyValue); 069 log.info("Setting Property=" + propertyName + " to Value=" + propertyValue); 070 } else { 071 if (currentPropertyValue.equals(propertyValue)) { 072 log.warn("Existing Property=" + propertyName + " is already set to Value=" + currentPropertyValue); 073 } else { 074 log.error("Not updating existing Property=" + propertyName + " to Value=" + propertyValue + ". Property is already set to " + currentPropertyValue); 075 } 076 } 077 } 078 } 079 } 080 081 public static final GBeanInfo GBEAN_INFO; 082 083 static { 084 GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(SystemProperties.class, "GBean"); 085 infoBuilder.addAttribute("systemProperties", Properties.class, true, true); 086 infoBuilder.addAttribute("systemPathProperties", Properties.class, true, true); 087 infoBuilder.addReference("ServerInfo", ServerInfo.class, "GBean"); 088 infoBuilder.addAttribute("sunSystemProperties", Properties.class, true, true); 089 infoBuilder.addAttribute("ibmSystemProperties", Properties.class, true, true); 090 infoBuilder.addAttribute("apacheSystemProperties", Properties.class, true, true); 091 infoBuilder.setConstructor(new String[] { "systemProperties", "systemPathProperties", "ServerInfo", "sunSystemProperties", "ibmSystemProperties", "apacheSystemProperties" }); 092 093 GBEAN_INFO = infoBuilder.getBeanInfo(); 094 } 095 096 public static GBeanInfo getGBeanInfo() { 097 return GBEAN_INFO; 098 } 099 100 }