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package com.sun.enterprise.jbi.serviceengine.install;
import com.sun.enterprise.jbi.serviceengine.ServiceEngineException;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.logging.LogDomains;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URI;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.ObjectName;
/**
* Installs Java EE Service Engine on a CAS installation. In openESB world, an
* instance could either be a CAS or a non CAS ESB member. Java EE Servijece Engine
* is installed on a instance only if the instance is CAS. All components
* installed on CAS are installed on a non CAS ESB member by the CAS.
* @author Manishaa Umbar
*/
public class InstallerImpl implements Installer {
/**
* addComponent operation of ESB installation MBean adds the component
* to ESB's registry and repository. By adding a component, component becomes
* installable.
*/
private static final String ADD_COMPONENT_OPERATION="addComponent";
/**
* Install a already added component in ESB environment
*/
private static final String INSTALL_COMPONENT_OPERATION="installComponent";
/**
* removeComponent operation of ESB installation MBean removes the component
* from ESB's registry and repository.
*/
private static final String REMOVE_COMPONENT_OPERATION="removeComponent";
/**
* UnInstalls already added component in ESB environment. By uninstalling a component,
* component becomes removable from the registry and repository of CAS.
*/
private static final String UNINSTALL_COMPONENT_OPERATION="uninstallComponent";
/**
* Starts the component
*/
private static final String START_COMPONENT_OPERATION="startComponent";
/**
* Stops the component
*/
private static final String STOP_COMPONENT_OPERATION="stopComponent";
/**
* Checks if an engine with provided name exists in openESB .
* This operation is used to find out if Service Engine is installed or not
*/
private static final String IS_ENGINE_OPERATION="isEngine";
/**
*Determines whether the jbi instance is CAS instance
*/
private static final String IS_CAS_OPERATION = "getIsCentralAdminServer";
private String componentName = null;
private String SE_BUNDLE = "lib/addons/jbi/appserv-jbise.jar";
private String JBI_INSTANCE_NAME="JBI_INSTANCE_NAME";
private String JBI_FOLDER = "jbi";
private String JBI_ENV_PROPERTIES = File.separatorChar +
JBI_FOLDER + File.separatorChar + "config" + File.separatorChar +
"jbienv.properties";
private MBeanHelper mbeanHelper;
private String jbiInstanceName;
private boolean casInstallation;
private boolean jbiInstalled = false;
/**
* Internal handle to the logger instance
*/
private static Logger logger =
LogDomains.getLogger(LogDomains.SERVER_LOGGER);
/** Creates a new instance of CASInstallerImpl */
public InstallerImpl(MBeanHelper mbeanHelper) {
this.mbeanHelper = mbeanHelper;
String installationRoot =
ApplicationServer.getServerContext().getInstallRoot();
String jbiInstallationDir = installationRoot + File.separator + JBI_FOLDER;
jbiInstalled = (new File(jbiInstallationDir).exists() &&
(getJBIInstanceName() != null));
if(jbiInstalled)
casInstallation = isCASInstallation();
}
public boolean isJBIInstalled() {
return jbiInstalled;
}
public void setComponentName(String componentName) {
this.componentName = componentName;
}
/**
* Installs the service engine and starts it
* @param zipFilePath packaged 208 compliant service engine bundle
*
*/
public String install(String zipFilePath) throws ServiceEngineException {
//Use InstallationServiceMBean to install new component
String result = null;
if(zipFilePath == null) {
zipFilePath = getServiceEngineBundle();
if(casInstallation) {
log(Level.FINE, "Java EE Service Engine Bundle :" , zipFilePath);
try {
ObjectName objName = mbeanHelper.getObjectName(
MBeanHelper.ESB_INSTALLATION_SERVICE);
log(Level.FINEST, "installation_service_log_name" , objName.toString());
result = (String)mbeanHelper.invokeMBeanOperation(objName,
ADD_COMPONENT_OPERATION, new Object[]{zipFilePath},
new String[] {"java.lang.String"});
log(Level.FINEST, " Status of addComponent ", result );
result = (String)mbeanHelper.invokeMBeanOperation(objName,
INSTALL_COMPONENT_OPERATION,
new Object[]{componentName,
java.util.Arrays.asList(new String[]{jbiInstanceName}),
new Properties()},
new String[] {"java.lang.String", "java.util.List","java.util.Properties"});
log(Level.FINEST, " Status of installComponent ", result );
} catch(Exception e) {
log(Level.SEVERE,
"Error occurred during installation of Java EE Service Engine",
e.getMessage());
}
}
}
return result;
}
/**
* Starts the component with provided name
*/
public void start() throws ServiceEngineException {
if(casInstallation) {
try {
ObjectName objName = mbeanHelper.getObjectName(
MBeanHelper.ESB_LIFECYCLE_SERVICE);
log(Level.FINEST, "lifecycle_service_obj_name" , objName.toString());
String result = (String)mbeanHelper.invokeMBeanOperation(objName,
START_COMPONENT_OPERATION, new Object[]{componentName},
new String[] {"java.lang.String"});
log(Level.FINEST, "Start Component Status", result);
} catch(Exception e) {
log(Level.SEVERE,
"Error occurred during startup of Java EE Service Engine",
e.getMessage());
}
}
}
/**
* Checks if the compoenent specified by componentName is installed or
* not
*/
public boolean isComponentInstalled() {
if(casInstallation) {
try {
ObjectName objName = mbeanHelper.getObjectName(MBeanHelper.ESB_INSTALLATION_SERVICE);
String result = (String)mbeanHelper.invokeMBeanOperation(objName,
"getComponentInfo",
new Object[]{componentName},
new String[] {"java.lang.String"});
if(result == null || result.trim().length() == 0) {
return false;
}
/*
String domainDir = ApplicationServer.getServerContext().getInstanceEnvironment().getInstancesRoot();
String fs = File.separator;
String javaeeSEDir = domainDir + fs + "jbi" + fs + "engines" + fs + "JavaEEServiceEngine";
if(!(new File(javaeeSEDir).exists())) {
return false;
}
*/
} catch(Exception e) {
log(Level.WARNING, "Exception occurred while getting component by name", e.getMessage());
return false;
}
}
return true;
}
/**
* Stops the component with provided name
*/
public void stop() throws ServiceEngineException {
if(casInstallation) {
try {
ObjectName objName = mbeanHelper.getObjectName(
MBeanHelper.ESB_LIFECYCLE_SERVICE);
log(Level.FINEST, "lifecycle_service_obj_name" , objName.toString());
String result = (String)mbeanHelper.invokeMBeanOperation(objName,
STOP_COMPONENT_OPERATION, new Object[]{componentName},
new String[] {"java.lang.String"});
log(Level.FINEST, "Start Component Status", result);
} catch(Exception e) {
log(Level.SEVERE,
"Error occurred during stopping of Java EE Service Engine",
e.getMessage());
}
}
}
/**
* Uninstalls the component with provided name
*/
public void uninstall() throws ServiceEngineException {
if(casInstallation) {
try {
ObjectName objName = mbeanHelper.getObjectName(
MBeanHelper.ESB_INSTALLATION_SERVICE);
log(Level.FINEST, "installation_service_log_name" , objName.toString());
String result = (String)mbeanHelper.invokeMBeanOperation(objName,
UNINSTALL_COMPONENT_OPERATION, new Object[]{componentName},
new String[] {"java.lang.String"});
log(Level.FINEST, " Status of uninstallComponent ", result );
result = (String)mbeanHelper.invokeMBeanOperation(objName,
REMOVE_COMPONENT_OPERATION,
new Object[]{componentName},
new String[] {"java.lang.String"});
log(Level.FINEST, " Status of removeComponent ", result );
} catch(Exception e) {
log(Level.SEVERE,
"Error occurred during uninstallation of Java EE Service Engine",
e.getMessage());
}
}
}
private boolean isCASInstallation() {
try {
ObjectName objName = mbeanHelper.getObjectName(jbiInstanceName,
MBeanHelper.FRAMEWORK);
log(Level.FINEST, "Framework MBean Object" , objName.toString());
Boolean result = (Boolean)mbeanHelper.invokeMBeanOperation(objName,
IS_CAS_OPERATION, null,new String[] {});
return result.booleanValue();
} catch(Exception e) {
log(Level.SEVERE,
"Error occurred during checking if the instance is CAS or not",
e.getMessage());
}
//Should never reach here
return false;
}
private String getJBIInstanceName() {
if(jbiInstanceName == null) {
try{
String installRoot = ApplicationServer.getServerContext().getInstallRoot();
String jbiEnvProperties = installRoot + JBI_ENV_PROPERTIES;
Properties jbiEnv = new Properties();
logger.fine("JBI Env properties :" + jbiEnvProperties);
jbiEnv.load(new FileInputStream(jbiEnvProperties));
jbiInstanceName = jbiEnv.getProperty(JBI_INSTANCE_NAME);
logger.fine("JBI Instance name " + jbiInstanceName);
} catch (IOException ioe) {
logger.log(Level.SEVERE, "IOException during reading of jbi env properties " + ioe.getMessage());
}
}
return jbiInstanceName;
}
private String getServiceEngineBundle() {
String seBundle = System.getProperty("com.sun.aas.installRoot") +
File.separator + SE_BUNDLE;
return seBundle;
}
private void log(Level level, String property, String logString) {
logger.log(level,property,logString);
}
}
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