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package org.glassfish.config.support;
import com.sun.enterprise.config.util.ConfigApiLoggerInfo;
import com.sun.enterprise.util.AnnotationUtil;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.ExceptionUtil;
import java.util.logging.Level;
import org.glassfish.api.ActionReport;
import org.glassfish.api.admin.*;
import org.glassfish.api.admin.config.Named;
import org.glassfish.common.util.admin.GenericCommandModel;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.component.*;
import org.jvnet.hk2.config.*;
import java.util.List;
import java.beans.PropertyVetoException;
import java.util.ArrayList;
import java.util.Collection;
import javax.security.auth.Subject;
import org.glassfish.api.admin.AccessRequired.AccessCheck;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.AdminCommandSecurity;
/**
* Generic create command implementation.
*
* This command can create POJO configuration objects from an asadmin command
* invocation parameters.
*
* So far, such POJO must be ConfigBeanProxy subclasses and be annotated with the
* {@link org.glassfish.api.Param} annotation to property function.
*
* @author Jerome Dochez
*/
@PerLookup
public class GenericCreateCommand extends GenericCrudCommand implements AdminCommand,
AdminCommandSecurity.AccessCheckProvider {
GenericCommandModel model;
Create create;
private ConfigBeanProxy parentBean;
@Override
public void postConstruct() {
super.postConstruct();
create = getAnnotation(targetMethod, Create.class);
resolverType = create.resolver();
try {
model = new GenericCommandModel(targetType, true, create.cluster(), create.i18n(),
new LocalStringManagerImpl(targetType),
habitat.<DomDocument>getService(DomDocument.class),
commandName, AnnotationUtil.presentTransitive(ManagedJob.class, create.decorator()), create.resolver(), create.decorator());
if (logger.isLoggable(level)) {
for (String paramName : model.getParametersNames()) {
CommandModel.ParamModel param = model.getModelFor(paramName);
logger.log(Level.FINE, "I take {0} parameters", param.getName());
}
}
} catch(Exception e) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCreateCommand.command_model_exception",
"Exception while creating the command model for the generic command {0} : {1}",
commandName, e.getMessage());
logger.log(Level.SEVERE, ConfigApiLoggerInfo.GENERIC_CREATE_CMD_FAILED, commandName);
throw new RuntimeException(msg, e);
}
}
@Override
public Collection<? extends AccessCheck> getAccessChecks() {
final Collection<AccessCheck> checks = new ArrayList<AccessCheck>();
checks.add(new AccessCheck(parentBean, (Class<? extends ConfigBeanProxy>) targetType, "create"));
return checks;
}
@Override
void prepareInjection(final AdminCommandContext ctx) {
super.prepareInjection(ctx);
parentBean = resolver.resolve(ctx, parentType);
}
@Override
public boolean preAuthorization(final AdminCommandContext adminCommandContext) {
if ( ! super.preAuthorization(adminCommandContext)) {
return false;
}
prepareInjection(adminCommandContext);
return true;
}
@Override
public void execute(final AdminCommandContext context) {
final ActionReport result = context.getActionReport();
if (parentBean==null) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCreateCommand.target_object_not_found",
"The CrudResolver {0} could not find the configuration object of type {1} where instances of {2} should be added",
resolver.getClass().toString(), parentType, targetType);
result.failure(logger, msg);
return;
}
try {
ConfigSupport.apply(new SingleConfigCode<ConfigBeanProxy> () {
@Override
public Object run(ConfigBeanProxy writableParent) throws PropertyVetoException, TransactionFailure {
ConfigBeanProxy childBean = writableParent.createChild(targetType);
manager.inject(childBean, targetType, getInjectionResolver());
String name = null;
if (Named.class.isAssignableFrom(targetType)) {
name = ((Named) childBean).getName();
}
// check that such instance does not exist yet...
if (name!=null) {
Object cbp = habitat.getService(targetType, name);
if (cbp!=null) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCreateCommand.already_existing_instance",
"A {0} instance with a \"{1}\" name already exist in the configuration",
targetType.getSimpleName(), name);
result.failure(logger, msg);
throw new TransactionFailure(msg);
}
}
try {
if (targetMethod.getParameterTypes().length==0) {
// return type must be a list to which we add our child.
Object result = targetMethod.invoke(writableParent);
if (result instanceof List) {
List<ConfigBeanProxy> children = List.class.cast(result);
children.add(childBean);
}
} else {
targetMethod.invoke(writableParent, childBean);
}
} catch (Exception e) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCrudCommand.method_invocation_exception",
"Exception while invoking {0} method : {1}",
targetMethod.toString(), e.toString());
result.failure(logger, msg, e);
throw new TransactionFailure(msg,e);
}
CreationDecorator<ConfigBeanProxy> decorator = null;
if (create != null) {
decorator = habitat.getService(create.decorator());
}
if (decorator==null) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCreateCommand.decorator_not_found",
"The CreationDecorator {0} could not be found in the habitat, is it annotated with @Service ?",
create == null ? "null" : create.decorator().toString());
result.failure(logger, msg);
throw new TransactionFailure(msg);
} else {
// inject the decorator with any parameters from the initial CLI invocation
manager.inject(decorator, paramResolver);
// invoke the decorator
decorator.decorate(context, childBean);
}
return childBean;
}
}, parentBean);
} catch(TransactionFailure e) {
String msg = localStrings.getLocalString(GenericCrudCommand.class,
"GenericCreateCommand.transaction_exception",
"Exception while adding the new configuration : {0} ",
getRootCauseMessage(e));
result.failure(logger, msg);
}
}
@Override
public CommandModel getModel() {
return model;
}
/**
* Return the message from the root cause of the exception. If the root
* cause has no message, then return the passed exception's message.
*/
private String getRootCauseMessage(Exception e) {
String msg = ExceptionUtil.getRootCause(e).getMessage();
if (msg != null && msg.length() > 0) {
return msg;
} else {
return e.getMessage();
}
}
@Override
public Class getDecoratorClass() {
if (create != null) {
return create.decorator();
} else {
return null;
}
}
}