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package org.glassfish.web.admin.cli;
import java.beans.PropertyVetoException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
import org.glassfish.internal.api.Target;
import com.sun.enterprise.config.serverbeans.ApplicationRef;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.HttpService;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.VirtualServer;
import com.sun.enterprise.util.SystemPropertyConstants;
import org.glassfish.grizzly.config.dom.NetworkConfig;
import org.glassfish.grizzly.config.dom.NetworkListener;
import org.glassfish.api.ActionReport;
import org.glassfish.api.ActionReport.ExitCode;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import javax.inject.Inject;
import javax.inject.Named;
import org.glassfish.logging.annotation.LogMessageInfo;
import org.glassfish.web.admin.monitor.HttpServiceStatsProviderBootstrap;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.ConfigCode;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.TransactionFailure;
/**
* Delete virtual server command
*
*/
@Service(name="delete-virtual-server")
@PerLookup
@I18n("delete.virtual.server")
@ExecuteOn({RuntimeType.DAS, RuntimeType.INSTANCE})
@TargetType({CommandTarget.DAS,CommandTarget.STANDALONE_INSTANCE,CommandTarget.CLUSTER,CommandTarget.CONFIG})
public class DeleteVirtualServer implements AdminCommand {
private static final ResourceBundle rb = HttpServiceStatsProviderBootstrap.rb;
@LogMessageInfo(
message = "{0} delete failed.",
level = "INFO")
protected static final String DELETE_VIRTUAL_SERVER_FAIL = "AS-WEB-ADMIN-00043";
@LogMessageInfo(
message = "Specified virtual server, {0}, doesn''t exist.",
level = "INFO")
protected static final String DELETE_VIRTUAL_SERVER_NOT_EXISTS = "AS-WEB-ADMIN-00044";
@LogMessageInfo(
message = "Specified virtual server, {0}, can not be deleted because it is referenced from http listener, {1}.",
level = "INFO")
protected static final String DELETE_VIRTUAL_SERVER_REFERENCED = "AS-WEB-ADMIN-00045";
@Param(name = "target", optional = true, defaultValue = SystemPropertyConstants.DEFAULT_SERVER_INSTANCE_NAME)
String target;
@Param(name="virtual_server_id", primary=true)
String vsid;
@Inject @Named(ServerEnvironment.DEFAULT_INSTANCE_NAME)
Config config;
@Inject
Domain domain;
@Inject
ServiceLocator services;
@Inject @Named(ServerEnvironment.DEFAULT_INSTANCE_NAME)
Server server;
private HttpService httpService;
private NetworkConfig networkConfig;
/**
* Executes the command with the command parameters passed as Properties
* where the keys are the parameter names and the values the parameter values
*
* @param context information
*/
public void execute(AdminCommandContext context) {
Target targetUtil = services.getService(Target.class);
Config newConfig = targetUtil.getConfig(target);
if (newConfig!=null) {
config = newConfig;
}
ActionReport report = context.getActionReport();
httpService = config.getHttpService();
networkConfig = config.getNetworkConfig();
if(!exists()) {
report.setMessage(MessageFormat.format(rb.getString(DELETE_VIRTUAL_SERVER_NOT_EXISTS), vsid));
report.setActionExitCode(ExitCode.FAILURE);
return;
}
// reference check
String referencedBy = getReferencingListener();
if(referencedBy != null && referencedBy.length() != 0) {
report.setMessage(MessageFormat.format(rb.getString(DELETE_VIRTUAL_SERVER_REFERENCED), vsid, referencedBy));
report.setActionExitCode(ExitCode.FAILURE);
return;
}
try {
// we need to determine which deployed applications reference this virtual-server
List<ApplicationRef> appRefs = new ArrayList<ApplicationRef>();
for (ApplicationRef appRef : server.getApplicationRef()) {
if (appRef.getVirtualServers()!=null && appRef.getVirtualServers().contains(vsid)) {
appRefs.add(appRef);
}
}
// transfer into the array of arguments
ConfigBeanProxy[] proxies = new ConfigBeanProxy[appRefs.size()+1];
proxies[0] = httpService;
for (int i=0;i<appRefs.size();i++) {
proxies[i+1] = appRefs.get(i);
}
ConfigSupport.apply(new ConfigUpdate(vsid), proxies);
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
} catch(TransactionFailure e) {
report.setMessage(MessageFormat.format(rb.getString(DELETE_VIRTUAL_SERVER_FAIL), vsid));
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setFailureCause(e);
}
}
private boolean exists() {
if ((vsid == null) || (httpService == null))
return false;
List<VirtualServer> list = httpService.getVirtualServer();
for(VirtualServer vs : list) {
String currId = vs.getId();
if(currId != null && currId.equals(vsid))
return true;
}
return false;
}
private String getReferencingListener() {
if (networkConfig != null) {
List<NetworkListener> list = networkConfig.getNetworkListeners().getNetworkListener();
for(NetworkListener listener: list) {
String virtualServer = listener.findHttpProtocol().getHttp().getDefaultVirtualServer();
if(virtualServer != null && virtualServer.equals(vsid)) {
return listener.getName();
}
}
}
return null;
}
private static class ConfigUpdate implements ConfigCode {
private ConfigUpdate(String vsid) {
this.vsid = vsid;
}
public Object run(ConfigBeanProxy... proxies) throws PropertyVetoException, TransactionFailure {
List<VirtualServer> list = ((HttpService) proxies[0]).getVirtualServer();
for(VirtualServer item : list) {
String currId = item.getId();
if (currId != null && currId.equals(vsid)) {
list.remove(item);
break;
}
}
// we now need to remove the virtual server id from all application-ref passed.
if (proxies.length>1) {
// we have some appRefs to clean.
for (int i=1;i<proxies.length;i++) {
ApplicationRef appRef = (ApplicationRef) proxies[i];
StringBuilder newList = new StringBuilder();
StringTokenizer st = new StringTokenizer(appRef.getVirtualServers(), ",");
while (st.hasMoreTokens()) {
final String id = st.nextToken();
if (!id.equals(vsid)) {
if (newList.length()>0) {
newList.append(",");
}
newList.append(id);
}
}
appRef.setVirtualServers(newList.toString());
}
}
return list;
}
private String vsid;
}
}