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/*
* ConfigsConfigMBean.java
*
* Created on October 27, 2003, 9:45 AM
*/
package com.sun.enterprise.deployment.phasing;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.admin.util.IAdminConstants;
import com.sun.enterprise.admin.target.Target;
import com.sun.enterprise.admin.target.TargetType;
import com.sun.enterprise.admin.target.TargetBuilder;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Applications;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.Cluster;
import com.sun.enterprise.config.serverbeans.ApplicationRef;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.config.serverbeans.ConfigAPIHelper;
import com.sun.enterprise.config.serverbeans.ServerHelper;
import com.sun.enterprise.config.serverbeans.ClusterHelper;
import com.sun.enterprise.admin.config.BaseConfigMBean;
/**
*
* @author kebbs
*/
public class ApplicationReferenceHelper implements IAdminConstants
{
private static final StringManager _strMgr =
StringManager.getManager(ApplicationReferenceHelper.class);
private ConfigContext _configContext = null;
private static final TargetType[] targetTypes =
new TargetType[] {TargetType.CLUSTER, TargetType.SERVER,
TargetType.DAS};
/** Creates a new instance of EEApplicationsConfigMBean */
public ApplicationReferenceHelper(ConfigContext configContext)
{
_configContext = configContext;
}
private ConfigContext getConfigContext()
{
return _configContext;
}
/**
* Add an application reference to the cluster.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
private void addApplicationReferenceToCluster(Cluster cluster, boolean enabled,
String virtualServers, String referenceName) throws ConfigException
{
ApplicationRef ref = cluster.getApplicationRefByRef(referenceName);
if (ref != null) {
//Application ref already exists in cluster
throw new ConfigException(_strMgr.getString("clusterApplicationRefAlreadyExists",
referenceName, cluster.getName()));
}
ref = new ApplicationRef();
ref.setEnabled(enabled);
ref.setRef(referenceName);
ref.setVirtualServers(virtualServers);
cluster.addApplicationRef(ref, BaseConfigMBean.OVERWRITE);
}
/**
* Add an application reference to the server instances in the cluster.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
private void addApplicationReferenceToClusteredServers(Cluster cluster, Server[] servers, boolean enabled,
String virtualServers, String referenceName) throws ConfigException
{
for (int i = 0; i < servers.length; i++) {
final ApplicationRef ref = servers[i].getApplicationRefByRef(referenceName);
if (ref != null) {
//This indicates that the cluster is in an inconsistent state. Some of the
//instances in the cluster have the ref and some do not.
throw new ConfigException(_strMgr.getString("clusterApplicationRefInconsistency",
referenceName, cluster.getName(), servers[i].getName()));
}
addApplicationReferenceToServer(servers[i], enabled, virtualServers,
referenceName);
}
}
/**
* Add an application reference to a single server instance.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
private void addApplicationReferenceToServer(Server server, boolean enabled,
String virtualServers, String referenceName) throws ConfigException
{
ApplicationRef ref = server.getApplicationRefByRef(referenceName);
if (ref != null) {
//Resource ref already exists in server
throw new ConfigException(_strMgr.getString("serverApplicationRefAlreadyExists",
referenceName, server.getName()));
}
ref = new ApplicationRef();
ref.setEnabled(enabled);
ref.setRef(referenceName);
ref.setVirtualServers(virtualServers);
server.addApplicationRef(ref, BaseConfigMBean.OVERWRITE);
}
/**
* Given the application name, return its type.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
protected String getApplicationType (String appName) throws ConfigException
{
final ConfigContext configContext = getConfigContext();
final Domain domain = ConfigAPIHelper.getDomainConfigBean(configContext);
final Applications applications = domain.getApplications();
if (applications.getAppclientModuleByName(appName) != null) {
return ServerTags.APPCLIENT_MODULE;
} else if (applications.getConnectorModuleByName(appName) != null) {
return ServerTags.CONNECTOR_MODULE;
} else if (applications.getEjbModuleByName(appName) != null) {
return ServerTags.EJB_MODULE;
} else if (applications.getJ2eeApplicationByName(appName) != null) {
return ServerTags.J2EE_APPLICATION;
} else if (applications.getLifecycleModuleByName(appName) != null) {
return ServerTags.LIFECYCLE_MODULE;
} else if (applications.getWebModuleByName(appName) != null) {
return ServerTags.WEB_MODULE;
} else {
throw new ConfigException(_strMgr.getString("applicationDoesNotExist",
appName));
}
}
/**
* Create an application reference in the specified target (cluster
* unclustered server).
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
public void createApplicationReference(TargetType[] validTypes,
String targetName, boolean enabled,
String virtualServers, String referenceName) throws ConfigException
{
final ConfigContext configContext = getConfigContext();
//Validate that there is indeed a resource with the specified name.
final String type = getApplicationType(referenceName);
final Target target = TargetBuilder.INSTANCE.createTarget(
validTypes, targetName, configContext);
if (target.getType() == TargetType.CLUSTER) {
final Cluster cluster = ClusterHelper.getClusterByName(configContext, target.getName());
addApplicationReferenceToCluster(cluster, enabled, virtualServers, referenceName);
final Server[] servers = ServerHelper.getServersInCluster(configContext, target.getName());
addApplicationReferenceToClusteredServers(cluster, servers, enabled,
virtualServers, referenceName);
} else if (target.getType() == TargetType.SERVER ||
target.getType() == TargetType.DAS) {
final Server server = ServerHelper.getServerByName(configContext, target.getName());
addApplicationReferenceToServer(server, enabled, virtualServers, referenceName);
} else {
throw new ConfigException(_strMgr.getString("invalidClusterOrServerTarget",
target.getName()));
}
}
/**
* Delete an application reference from the cluster.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
private void deleteApplicationReferenceFromCluster(Cluster cluster,
String referenceName) throws ConfigException
{
final ApplicationRef ref = cluster.getApplicationRefByRef(referenceName);
if (ref == null) {
//Application ref already exists in cluster
throw new ConfigException(_strMgr.getString("clusterApplicationRefDoesNotExist",
cluster.getName(), referenceName));
}
cluster.removeApplicationRef(ref, BaseConfigMBean.OVERWRITE);
}
/**
* Delete the application references from all servers that are part of a cluster.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
private void deleteApplicationReferenceFromClusteredServers(Cluster cluster, Server[] servers,
String referenceName) throws ConfigException
{
for (int i = 0; i < servers.length; i++) {
final ApplicationRef ref = servers[i].getApplicationRefByRef(referenceName);
if (ref == null) {
//This indicates that the cluster is in an inconsistent state. Some of the
//instances in the cluster have the ref and some do not.
throw new ConfigException(_strMgr.getString("clusterApplicationRefInconsistency",
referenceName, cluster.getName(), servers[i].getName()));
}
deleteApplicationReferenceFromServer(servers[i], referenceName);
}
}
/**
* Delete application reference from a single server instance.
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
private void deleteApplicationReferenceFromServer(Server server,
String referenceName) throws ConfigException
{
final ApplicationRef ref = server.getApplicationRefByRef(referenceName);
if (ref == null) {
//Application ref already exists in server
throw new ConfigException(_strMgr.getString("serverApplicationRefDoesNotExist",
server.getName(), referenceName));
}
server.removeApplicationRef(ref, BaseConfigMBean.OVERWRITE);
}
/**
* Delete application reference from the given target (cluster or unclustered
* server instance).
*
* NOTE: Much of this functionality is duplicated in ResourcesMBeanHelper. As
* such be aware that bugs fixed here should be fixed there as well.
*/
public void deleteApplicationReference(TargetType[] validTypes,
String targetName, String referenceName)
throws ConfigException
{
final ConfigContext configContext = getConfigContext();
//Validate that there is indeed a resource with the specified name.
final String type = getApplicationType(referenceName);
final Target target = TargetBuilder.INSTANCE.createTarget(
validTypes, targetName, configContext);
if (target.getType() == TargetType.SERVER ||
target.getType() == TargetType.DAS) {
final Server server = ServerHelper.getServerByName(configContext, targetName);
deleteApplicationReferenceFromServer(server, referenceName);
} else if (target.getType() == TargetType.CLUSTER) {
final Cluster cluster = ClusterHelper.getClusterByName(configContext, targetName);
deleteApplicationReferenceFromCluster(cluster, referenceName);
final Server[] servers = ServerHelper.getServersInCluster(configContext, targetName);
deleteApplicationReferenceFromClusteredServers(cluster, servers, referenceName);
} else {
throw new ConfigException(_strMgr.getString("invalidClusterOrServerTarget",
targetName));
}
}
/**
*Locates the app ref for the specified application on the given target.
*@param targetName the name of the target of interest
*@param appName the name of the application of interest
*@return the ApplicationRef for the app on the target; null if there is none
*/
public static ApplicationRef findCurrentAppRef(
DeploymentContext deploymentCtx,
String targetName,
String appName) throws ConfigException {
ApplicationRef appRef = null;
final ConfigContext configContext = deploymentCtx.getConfigContext();
final Target target = TargetBuilder.INSTANCE.createTarget(
targetTypes, targetName, configContext);
if (target.getType() == TargetType.CLUSTER ||
target.getType() == TargetType.STANDALONE_CLUSTER)
{
Cluster cluster = ClusterHelper.getClusterByName(
configContext, target.getName());
if (cluster != null) {
appRef = cluster.getApplicationRefByRef(appName);
}
}
else
{
Server server = ServerHelper.getServerByName(
configContext, target.getName());
if (server != null) {
appRef = server.getApplicationRefByRef(appName);
}
}
return appRef;
}
}
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