/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://glassfish.dev.java.net/public/CDDLv1.0.html or
* glassfish/bootstrap/legal/CDDLv1.0.txt.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at glassfish/bootstrap/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.enterprise.config.serverbeans;
import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.JdbcResource;
import com.sun.enterprise.config.serverbeans.ConnectorResource;
import com.sun.enterprise.admin.util.IAdminConstants;
import com.sun.enterprise.util.i18n.StringManager;
public class ResourceHelper extends ReferenceHelperBase {
protected static final StringManager _strMgr=StringManager.getManager(ResourceHelper.class);
private static ResourceHelper _theInstance;
public ResourceHelper() {
super();
}
protected Server[] getReferencingServers(ConfigContext configContext, String name)
throws ConfigException
{
return ServerHelper.getServersReferencingResource(configContext, name);
}
protected Cluster[] getReferencingClusters(ConfigContext configContext, String name)
throws ConfigException
{
return ClusterHelper.getClustersReferencingResource(configContext, name);
}
private synchronized static ResourceHelper getInstance()
{
if (_theInstance == null) {
_theInstance = new ResourceHelper();
}
return _theInstance;
}
/**
* Is the configuration referenced by anyone (i.e. any server instance or cluster
*/
public static boolean isResourceReferenced(ConfigContext configContext, String resourceName)
throws ConfigException
{
return getInstance().isReferenced(configContext, resourceName);
}
/**
* Return true if the configuration is referenced by no-one other than the given
* server instance.
*/
public static boolean isResourceReferencedByServerOnly(ConfigContext configContext,
String resourceName, String serverName) throws ConfigException
{
return getInstance().isReferencedByServerOnly(configContext, resourceName, serverName);
}
/**
* Return true if the configuration is referenced by no-one other than the given
* cluster.
*/
public static boolean isResourceReferencedByClusterOnly(ConfigContext configContext,
String resourceName, String clusterName) throws ConfigException
{
return getInstance().isReferencedByClusterOnly(configContext, resourceName, clusterName);
}
/**
* Find all the servers or clusters associated with the given configuration and return them
* as a comma separated list.
*/
public static String getResourceReferenceesAsString(ConfigContext configContext, String resourceName)
throws ConfigException
{
return getInstance().getReferenceesAsString(configContext, resourceName);
}
/**
* Returns true if the named pool has a reference from a jdbc resource
* that is used by the given server instance.
*
* @param ctx config context
* @param poolName jdbc resource pool name
* @param serverName name of the server instance
*
* @return true if the pool is used by the server instance
*
* @throw ConfigException if an error while parsing domain.xml
*/
public static boolean isJdbcPoolReferenced(ConfigContext ctx,
String poolName, String serverName) throws ConfigException {
if (ctx == null || poolName == null || serverName == null) {
return false;
}
Resources rBean = ServerBeansFactory.getDomainBean(ctx).getResources();
JdbcResource[] jdbcBeans = rBean.getJdbcResource();
// no jdbc resource in the domain, so it is not possible
// for the jdbc pool to be in use by a server in this domain
if (jdbcBeans == null) {
return false;
}
for (int i = 0; i <jdbcBeans.length; i++) {
// jdbc resource is not referenced by the server instance
if ( !ServerHelper.serverReferencesResource(
ctx, serverName, jdbcBeans[i].getJndiName()) ) {
continue;
} else {
String pool = jdbcBeans[i].getPoolName();
if ( (pool != null) && pool.equals(poolName) ) {
// jdbc pool is referenced by server (server->res->pool)
return true;
}
}
}
// no jdbc resource referred by this server is using this pool
return false;
}
/**
* Returns true if the named pool has a reference from a connector resource
* that is used by the given server instance.
*
* @param ctx config context
* @param poolName connector pool name
* @param serverName name of the server instance
*
* @return true if the pool is used by the server instance
*
* @throw ConfigException if an error while parsing domain.xml
*/
public static boolean isConnectorPoolReferenced(ConfigContext ctx,
String poolName, String serverName) throws ConfigException {
if (ctx == null || poolName == null || serverName == null) {
return false;
}
Resources rBean = ServerBeansFactory.getDomainBean(ctx).getResources();
ConnectorResource[] conBeans = rBean.getConnectorResource();
// no connector resource in the domain, so it is not possible
// for the connector pool to be in use by a server in this domain
if (conBeans == null) {
return false;
}
for (int i = 0; i <conBeans.length; i++) {
// connector resource is not referenced by the server instance
if ( !ServerHelper.serverReferencesResource(
ctx, serverName, conBeans[i].getJndiName()) ) {
continue;
} else {
String pool = conBeans[i].getPoolName();
if ( (pool != null) && pool.equals(poolName) ) {
return true;
}
}
}
return false;
}
/**
* Returns the resource type of a given resource
*/
public static String getResourceType(ConfigContext ctx, String id)
throws ConfigException {
Resources root = ((Domain)ctx.getRootConfigBean()).getResources();
ConfigBean res = root.getJdbcResourceByJndiName(id);
if ( res != null )
return Resources.JDBC_RESOURCE;
res = root.getMailResourceByJndiName(id);
if( res != null )
return Resources.MAIL_RESOURCE;
res = root.getCustomResourceByJndiName(id);
if( res != null )
return Resources.CUSTOM_RESOURCE;
res = root.getExternalJndiResourceByJndiName(id);
if ( res != null )
return Resources.EXTERNAL_JNDI_RESOURCE;
res = root.getPersistenceManagerFactoryResourceByJndiName(id);
if ( res != null)
return Resources.PERSISTENCE_MANAGER_FACTORY_RESOURCE;
res = root.getAdminObjectResourceByJndiName(id);
if ( res != null )
return Resources.ADMIN_OBJECT_RESOURCE;
res = root.getConnectorResourceByJndiName(id);
if ( res != null )
return Resources.CONNECTOR_RESOURCE;
res = root.getJdbcConnectionPoolByName(id);
if ( res != null )
return Resources.JDBC_CONNECTION_POOL;
res = root.getConnectorConnectionPoolByName(id);
if ( res != null )
return Resources.CONNECTOR_CONNECTION_POOL;
res = root.getResourceAdapterConfigByResourceAdapterName(id);
if ( res != null )
return Resources.RESOURCE_ADAPTER_CONFIG;
return null;
}
public static boolean isSystemResource(ConfigContext ctx, String resourceName)
throws ConfigException
{
ConfigBean bean = findResource(ctx, resourceName);
if (bean == null) {
throw new ConfigException(_strMgr.getString("noSuchResource",
resourceName));
}
String objectType = null;
try {
objectType = bean.getAttributeValue(ServerTags.OBJECT_TYPE);
} catch (Exception ex) {
//if the object-type attribute does not exist, then assume that
//the resource is not a system resource.
return false;
}
if (objectType.equals(IAdminConstants.SYSTEM_ALL) ||
objectType.equals(IAdminConstants.SYSTEM_ADMIN) ||
objectType.equals(IAdminConstants.SYSTEM_INSTANCE)) {
return true;
} else {
return false;
}
}
public static ConfigBean findResource(ConfigContext ctx, String id)
throws ConfigException {
Resources root = ((Domain)ctx.getRootConfigBean()).getResources();
return findResource(root, id);
}
public static ConfigBean findResource(Resources root, String id)
throws ConfigException {
ConfigBean res = root.getJdbcResourceByJndiName(id);
if ( res != null )
return res;
res = root.getMailResourceByJndiName(id);
if( res != null )
return res;
res = root.getCustomResourceByJndiName(id);
if( res != null )
return res;
res = root.getExternalJndiResourceByJndiName(id);
if ( res != null )
return res;
res = root.getPersistenceManagerFactoryResourceByJndiName(id);
if ( res != null)
return res;
res = root.getAdminObjectResourceByJndiName(id);
if ( res != null )
return res;
res = root.getConnectorResourceByJndiName(id);
if ( res != null )
return res;
res = root.getJdbcConnectionPoolByName(id);
if ( res != null )
return res;
res = root.getConnectorConnectionPoolByName(id);
if ( res != null )
return res;
res = root.getResourceAdapterConfigByResourceAdapterName(id);
if ( res != null )
return res;
return null;
}
}
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