001/* 002 * Copyright 2012 Anyware Services 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.ametys.plugins.core.ui.system; 017 018import java.io.IOException; 019import java.lang.management.ManagementFactory; 020import java.util.Collection; 021 022import org.apache.avalon.framework.service.ServiceException; 023import org.apache.avalon.framework.service.ServiceManager; 024import org.apache.cocoon.ProcessingException; 025import org.apache.cocoon.generation.ServiceableGenerator; 026import org.apache.cocoon.xml.AttributesImpl; 027import org.apache.cocoon.xml.XMLUtils; 028import org.apache.commons.lang.StringUtils; 029import org.xml.sax.SAXException; 030 031import org.ametys.core.util.SystemStatus; 032import org.ametys.core.version.Version; 033import org.ametys.core.version.VersionsHandler; 034 035/** 036 * Generate the startuptime of the server 037 */ 038public class StartupGenerator extends ServiceableGenerator 039{ 040 private static String __version; 041 042 /** System status provider */ 043 private SystemStatus _systemStatus; 044 045 @Override 046 public void service(ServiceManager sm) throws ServiceException 047 { 048 super.service(sm); 049 _systemStatus = (SystemStatus) sm.lookup(SystemStatus.ROLE); 050 } 051 052 @Override 053 public void generate() throws IOException, SAXException, ProcessingException 054 { 055 if (__version == null) 056 { 057 VersionsHandler handler; 058 059 try 060 { 061 handler = (VersionsHandler) manager.lookup(VersionsHandler.ROLE); 062 } 063 catch (ServiceException e) 064 { 065 String errorMessage = "Unable to get the VersionsHandler"; 066 getLogger().error(errorMessage, e); 067 throw new ProcessingException(errorMessage, e); 068 } 069 070 StringBuffer value = new StringBuffer(); 071 072 Collection<Version> versions = handler.getVersions(); 073 for (Version version : versions) 074 { 075 if (value.length() > 0) 076 { 077 value.append(" / "); 078 } 079 080 value.append(version.getName()); 081 082 if (StringUtils.isNotBlank(version.getVersion())) 083 { 084 value.append(" - "); 085 value.append(version.getVersion()); 086 } 087 088 if (version.getDate() != null) 089 { 090 value.append(" - "); 091 value.append(Long.toString(version.getDate().getTime())); 092 } 093 } 094 095 __version = Integer.toString(value.toString().hashCode()); 096 } 097 098 AttributesImpl attrs = new AttributesImpl(); 099 attrs.addCDATAAttribute("version", __version); 100 attrs.addCDATAAttribute("status", StringUtils.join(_systemStatus.getStatus(), ',')); 101 102 contentHandler.startDocument(); 103 XMLUtils.createElement(contentHandler, "startup-time", attrs, Long.toString(ManagementFactory.getRuntimeMXBean().getStartTime())); 104 contentHandler.endDocument(); 105 } 106}