package org.jboss.as.web;
import org.apache.catalina.Context;
import org.apache.catalina.Wrapper;
import org.apache.catalina.core.StandardWrapper;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.jboss.msc.service.ServiceController;
/**
* @author Tomaz Cerar
* @created 23.2.12 18:35
*/
public class WebDeploymentServletDefinition extends SimpleResourceDefinition {
public static final WebDeploymentServletDefinition INSTANCE = new WebDeploymentServletDefinition();
protected static final SimpleAttributeDefinition LOAD_TIME = new SimpleAttributeDefinitionBuilder(Constants.LOAD_TIME, ModelType.LONG, true).build();
protected static final SimpleAttributeDefinition MAX_TIME = new SimpleAttributeDefinitionBuilder(Constants.MAX_TIME, ModelType.LONG, true).build();
protected static final SimpleAttributeDefinition MIN_TIME = new SimpleAttributeDefinitionBuilder(Constants.MIN_TIME, ModelType.LONG, true).build();
protected static final SimpleAttributeDefinition PROCESSING_TIME = new SimpleAttributeDefinitionBuilder(Constants.PROCESSING_TIME, ModelType.LONG, true).build();
protected static final SimpleAttributeDefinition REQUEST_COUNT = new SimpleAttributeDefinitionBuilder(Constants.REQUEST_COUNT, ModelType.INT, true).build();
private WebDeploymentServletDefinition() {
super(PathElement.pathElement("servlet"),
WebExtension.getResourceDescriptionResolver("deployment.servlet"));
}
@Override
public void registerAttributes(ManagementResourceRegistration registration) {
registration.registerMetric(LOAD_TIME, new AbstractMetricsHandler() {
@Override
void handle(final ModelNode response, final String name, final StandardWrapper wrapper) {
response.set(wrapper.getLoadTime());
}
});
registration.registerMetric(MAX_TIME, new AbstractMetricsHandler() {
@Override
void handle(final ModelNode response, final String name, final StandardWrapper wrapper) {
response.set(wrapper.getMinTime());
}
});
registration.registerMetric(MIN_TIME, new AbstractMetricsHandler() {
@Override
void handle(final ModelNode response, final String name, final StandardWrapper wrapper) {
response.set(wrapper.getLoadTime());
}
});
registration.registerMetric(PROCESSING_TIME, new AbstractMetricsHandler() {
@Override
void handle(final ModelNode response, final String name, final StandardWrapper wrapper) {
response.set(wrapper.getProcessingTime());
}
});
registration.registerMetric(REQUEST_COUNT, new AbstractMetricsHandler() {
@Override
void handle(final ModelNode response, final String name, final StandardWrapper wrapper) {
response.set(wrapper.getRequestCount());
}
});
}
abstract static class AbstractMetricsHandler implements OperationStepHandler {
abstract void handle(ModelNode response, String name, StandardWrapper wrapper);
@Override
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
final PathAddress address = PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR));
final Resource web = context.readResourceFromRoot(address.subAddress(0, address.size() - 1), false);
final ModelNode subModel = web.getModel();
final String host = subModel.require("virtual-host").asString();
final String path = subModel.require("context-root").asString();
final ModelNode node = web.requireChild(address.getLastElement()).getModel();
context.addStep(new OperationStepHandler() {
@Override
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
final ServiceController<?> controller = context.getServiceRegistry(false).getService(WebSubsystemServices.deploymentServiceName(host, path));
if (controller != null) {
final String name = node.get("servlet-name").asString();
final Context webContext = Context.class.cast(controller.getValue());
final Wrapper wrapper = Wrapper.class.cast(webContext.findChild(name));
final ModelNode response = new ModelNode();
handle(response, address.getLastElement().getValue(), (StandardWrapper) wrapper);
context.getResult().set(response);
}
context.completeStep();
}
}, OperationContext.Stage.RUNTIME);
context.completeStep();
}
}
}