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/*
*
*/
package com.sun.enterprise.admin.mbeans;
import com.sun.enterprise.admin.target.Target;
import com.sun.enterprise.admin.target.TargetBuilder;
import com.sun.enterprise.admin.target.TargetType;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.ClusterHelper;
import com.sun.enterprise.config.serverbeans.ConfigAPIHelper;
import com.sun.enterprise.config.serverbeans.ServerHelper;
import com.sun.enterprise.util.i18n.StringManager;
import java.util.List;
import javax.management.Attribute;
import com.sun.enterprise.config.serverbeans.ServerTags;
import javax.management.MBeanException;
import javax.management.MBeanServer;
/**
* Static utility class for common functions in config mbeans. Place all common
* utility type functions into this class for access across all config mbeans.
*
* @author Rob Ruyak
*/
public class ConfigMBeanUtil {
/**
* i18n strings manager object
*/
private static final StringManager localStrings =
StringManager.getManager(ConfigsMBean.class);
//disallow the instantiation of this object
private ConfigMBeanUtil() {
}
/**
* Given a list and an Attribute object, returns whether or not the
* attribute with the specified name exists.
*
* @param list the list of Attribute objects
* @param name the name of the attribute to find
* @return true/false
*/
public static boolean attributeDefinedInList(final List list,
final String name) {
if(name != null) {
for(java.util.Iterator itr = list.iterator(); itr.hasNext(); ) {
Attribute attr = (Attribute) itr.next();
if(name != null && name.equals(attr.getName())) {
return true;
}
}
}
return false;
}
/**
*
*
*/
public static MBeanServer getMBeanServer() throws MBeanException {
return com.sun.enterprise.admin.common.MBeanServerFactory.getMBeanServer();
}
/**
*
*
*/
public static Target getTarget(String targetName, TargetType[] targetTypes,
ConfigContext configContext) throws MBeanException {
try {
Target target = TargetBuilder.INSTANCE.createTarget(
targetTypes, targetName, configContext);
if (target.getType() == TargetType.SERVER ||
target.getType() == TargetType.DAS) {
//If we are operating on a server, ensure that the server is the only entity
//referencing its config
String configName = ServerHelper.getConfigForServer(configContext,
target.getName()).getName();
if (!ConfigAPIHelper.isConfigurationReferencedByServerOnly(configContext,
configName, target.getName())) {
throw new ConfigException(localStrings.getString(
"configurationHasMultipleRefs", target.getName(), configName,
ConfigAPIHelper.getConfigurationReferenceesAsString(
configContext, configName)));
}
} else if (target.getType() == TargetType.CLUSTER) {
//If we are operating on a cluster, ensure that the cluster is the only entity
//referencing its config
String configName = ClusterHelper.getConfigForCluster(configContext,
target.getName()).getName();
if (!ConfigAPIHelper.isConfigurationReferencedByClusterOnly(configContext,
configName, target.getName())) {
throw new ConfigException(localStrings.getString(
"configurationHasMultipleRefs", target.getName(), configName,
ConfigAPIHelper.getConfigurationReferenceesAsString(
configContext, configName)));
}
}
return target;
}
catch (Exception e) {
throw MBeanExceptionFormatter.toMBeanException(e, null);
}
}
}