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 }