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00029 package org.openmobileis.embedded.modules;
00030
00031 import java.util.Hashtable;
00032
00033 import org.openmobileis.common.util.log.*;
00034 import org.openmobileis.services.Service;
00035 import org.openmobileis.services.common.ServiceManager;
00036
00045 public abstract class ModuleLoader {
00046 private java.util.HashMap serviceMap;
00047
00049 public ModuleLoader() {
00050 serviceMap = new java.util.HashMap(10);
00051 }
00052
00058 public abstract void preLoadingInit();
00059
00065 public abstract void postLoadingInit();
00066
00073 public void loadService(java.util.Hashtable servicesList) {
00074 try {
00075 this.preLoadingInit();
00076 String[] serviceList = this.getServiceClassList();
00077 if (serviceList != null) {
00078 for (int i=0; i<serviceList.length;i++) {
00079 if (serviceList[i] != null) {
00080 Service service = (Service) Class.forName(serviceList[i]).newInstance();
00081 serviceMap.put(service.getName(), service);
00082
00083 String serviceName = service.getServiceUri().substring(ServiceManager.getManager().getServiceBaseURI().length(), service.getServiceUri().length());
00084 servicesList.put(serviceName, service);
00085 }
00086 }
00087 }
00088 this.postLoadingInit();
00089 } catch (Exception ex) {
00090 LogManager.traceError(LogServices.WEBSERVICE, "Can't load module");
00091 LogManager.traceError(LogServices.WEBSERVICE, ex);
00092 }
00093 }
00094
00095 public void unloadService(Hashtable servicesList) {
00096 try {
00097 this.preUnloadingInit();
00098 String[] serviceList = this.getServiceClassList();
00099 if (serviceList != null) {
00100 for (int i=0; i<serviceList.length;i++) {
00101 if (serviceList[i] != null) {
00102 Service service = (Service) Class.forName(serviceList[i]).newInstance();
00103 serviceMap.remove(service.getName());
00104
00105 String serviceName = service.getServiceUri().substring(ServiceManager.getManager().getServiceBaseURI().length()+1, service.getServiceUri().length());
00106 servicesList.remove(serviceName);
00107 }
00108 }
00109 }
00110 this.postUnloadingInit();
00111 } catch (Exception ex) {
00112 LogManager.traceError(LogServices.WEBSERVICE, "Can't load module");
00113 LogManager.traceError(LogServices.WEBSERVICE, ex);
00114 }
00115 }
00116
00117 public void preUnloadingInit() {
00118 }
00119 public void postUnloadingInit() {
00120 }
00121
00127 public abstract String[] getServiceClassList();
00128
00134 public Service getService(String serviceName){
00135 return (Service)serviceMap.get(serviceName);
00136 }
00137
00138 }