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/**
* PROPRIETARY/CONFIDENTIAL. Use of this product is subject to license terms.
*
* Copyright 2000-2001 by iPlanet/Sun Microsystems, Inc.,
* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
* All rights reserved.
*/
package com.sun.enterprise.server;
import java.io.File;
import javax.naming.InitialContext;
import com.sun.enterprise.Switch;
import com.sun.enterprise.NamingManager;
import com.sun.enterprise.InvocationManager;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.ServerBeansFactory;
import com.sun.enterprise.instance.InstanceEnvironment;
import com.sun.enterprise.server.pluggable.PluggableFeatureFactory;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.admin.monitor.registry.MonitoringRegistry;
/**
* ServerContext interface: the server-wide runtime environment created by
* ApplicationServer and shared by its subsystems such as the web container
* or EJB container.
*/
public class ServerContextImpl implements ServerContext {
/** XXX: should move these to Config API */
public final String SERVER_XML = "domain.xml";
public final String DEFAULT_DOMAIN_NAME = "com.sun.appserv";
public final String CONFIG_DIR = "config";
/** server command line arguments */
private String[] cmdLineArgs;
/** Pluggable features factory */
private PluggableFeatureFactory featureFactory;
/** install root of this server instance */
private String installRoot;
/** name of this server instance */
private String instanceName;
/** local string manager for i18n */
private static StringManager localStrings =
StringManager.getManager("com.sun.enterprise.server");
/** common class loader i.e., $instance/lib classloader */
private static ClassLoader commonClassLoader;
/** shared class loader i.e., connector class loader */
private static ClassLoader sharedClassLoader;
/** parent class loader for the life cycle modules */
private ClassLoader lifeCycleClassLoader;
/** server config context */
private ConfigContext configContext;
/** server config bean */
private Server server;
// path to the server-wide configuration
private String serverConfigPath = null;
// server xml file URL
private String serverConfigURL = null;
/** environment object for this server instance */
private InstanceEnvironment instanceEnvironment = null;
/**
* public constructor
*/
public ServerContextImpl() {
installRoot = System.getProperty(Constants.INSTALL_ROOT);
instanceName = System.getProperty("com.sun.aas.instanceName");
getInstanceEnvironment();
}
/**
* Set the server command-line arguments
*
* @param cmdLineArgs array of command-line arguments
*/
protected void setCmdLineArgs(String[] cmdLineArgs) {
this.cmdLineArgs = cmdLineArgs;
}
/**
* Get the server command-line arguments
*
* @return the server command-line arguments
*/
public String[] getCmdLineArgs() {
return cmdLineArgs;
}
/**
* Set pluggable features factory. Initialization of server context
* must be followed by a call to this method. An easy way to obtain
* a PluggableFeatureFactory is to call the static method getInstance()
* on com.sun.enterprise.server.pluggable PluggableFeatureFactoryImpl
* class.
*/
public void setPluggableFeatureFactory(PluggableFeatureFactory obj) {
featureFactory = obj;
}
/**
* Get a factory for obtaining implementation of pluggable features.
*/
public PluggableFeatureFactory getPluggableFeatureFactory() {
return featureFactory;
}
/**
* Install root of the server
*
* @param installRoot server installation root
*/
protected void setInstallRoot(String installRoot) {
this.installRoot = installRoot;
}
/**
* Get server installation root
*
* @return the server installation root
*/
public String getInstallRoot() {
return this.installRoot;
}
/**
* Instace name
*
* @param instanceName name of this application server instance
*/
protected void setInstanceName(String instanceName) {
this.instanceName = instanceName;
}
/**
* Get the server instance name
*
* @return the server instance name
*/
public String getInstanceName() {
return instanceName;
}
/**
* Get the path to the server configuration directory
*/
public String getServerConfigPath() {
return instanceEnvironment.getConfigDirPath();
}
/**
* Get a URL representation of any configuration file in server config path
*/
public String getConfigURL(String configName) {
String configURI = instanceEnvironment.getConfigFilePath();
// XXX: Config API Doesn't expect URLs
return configURI;
// if (isWindows())
// return "file:/" + configURI;
// else
// return "file:" + configURI;
}
/**
* Get a URL representation of server configuration
*
* @return the URL to the server configuration
*/
public String getServerConfigURL() {
return instanceEnvironment.getConfigFilePath();
}
/**
* Get the initial naming context.
*/
public InitialContext getInitialContext() {
// XXX: cleanup static instance variables
NamingManager mgr = Switch.getSwitch().getNamingManager();
if (mgr == null) {
return null;
}
return (InitialContext)(mgr.getInitialContext());
}
/**
* Are we running on Windows platform?
*/
private boolean isWindows() {
return (File.separatorChar == '\\');
}
/**
* Get the server configuration bean.
*
* @return the server config bean
*/
public Server getConfigBean() throws ConfigException {
if (server != null) {
return server;
}
// create the Server config bean
if (configContext != null) {
server = ServerBeansFactory.getServerBean(configContext);
} else {
// perhaps uninitialized?
String msg = localStrings.getString(
"serverContext.config_context_is_null");
throw new ConfigException(msg);
}
return this.server;
}
/**
* Returns the config context for this server.
*
* @return the config context
*/
public ConfigContext getConfigContext() {
return this.configContext;
}
/**
* Sets the given config context.
*
* This method gets called from the AdminEventMulticaster to set the
* config context after event processing is complete.
*
* @param config config context
*/
public void setConfigContext(ConfigContext config) {
this.configContext = config;
}
/**
* Get the classloader that loads .jars in $instance/lib and classes
* in $instance/lib/classes.
*
* @return the common class loader for this server instance
*/
public ClassLoader getCommonClassLoader() {
return this.commonClassLoader;
}
/**
* Set the classloader that loads .jars in $instance/lib and classes
* in $instance/lib/classes.
*
* Only allow classes in this package to set this value.
*/
protected void setCommonClassLoader(ClassLoader cl) {
this.commonClassLoader = cl;
}
/**
* Returns the shared class loader of the server instance.
*
* @return the shared class loader
*/
public ClassLoader getSharedClassLoader() {
return this.sharedClassLoader;
}
/**
* Sets the shared class loader for the instance.
* Only allow classes in this package to set this value.
*
* @param cl shared class loader
*/
protected void setSharedClassLoader(ClassLoader cl) {
this.sharedClassLoader = cl;
}
/**
* Returns the parent class loader for the life cycle modules.
*
* @return the parent class loader for the life cycle modules
*/
public ClassLoader getLifecycleParentClassLoader() {
return this.lifeCycleClassLoader;
}
/**
* Sets the parent class loader for the life cycle module
*
* @param cl the parent class loader for the life cycle module
*/
protected void setLifecycleParentClassLoader(ClassLoader cl) {
this.lifeCycleClassLoader = cl;
}
/**
* Returns the environment object for this server instance.
*
* @return the environment object for this server instance
*/
public InstanceEnvironment getInstanceEnvironment() {
if (this.instanceEnvironment == null) {
this.instanceEnvironment =
new InstanceEnvironment(this.instanceName);
}
return this.instanceEnvironment;
}
/**
* Sets the instance environment object for this server instance.
*
* @param instanceEnv environment object for this server instance
*/
void setInstanceEnvironment(InstanceEnvironment instanceEnv) {
this.instanceEnvironment = instanceEnv;
}
/**
* Get the J2EE Server invocation manager
*
* @return InvocationManager
*/
public InvocationManager getInvocationManager() {
return Switch.getSwitch().getInvocationManager();
}
/**
* get the default domain name
*
* @return String default domain name
*/
public String getDefaultDomainName() {
return DEFAULT_DOMAIN_NAME;
}
/**
* Returns the MonitoringRegistry implementation used for registration of
* monitoring stats.
* @return instance of MonitoringRegistry
*/
public MonitoringRegistry getMonitoringRegistry() {
/* Get the class from appserv-rt.jar for now through
* reflection */
final String REG_IMPL_CLASS =
"com.sun.enterprise.admin.monitor.registry.spi.MonitoringRegistrationHelper";
final String METHOD = "getInstance";
try {
final Class c = Class.forName(REG_IMPL_CLASS);
final java.lang.reflect.Method m = c.getMethod(METHOD, (Class[]) null);
final MonitoringRegistry r = (MonitoringRegistry) m.invoke(c, (Object[]) null);
return r;
}
catch(Throwable t) {
throw new RuntimeException(t);
}
}
}
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