package io.dropwizard.setup;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.health.HealthCheckRegistry;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.dropwizard.jersey.DropwizardResourceConfig;
import io.dropwizard.jersey.setup.JerseyContainerHolder;
import io.dropwizard.jersey.setup.JerseyEnvironment;
import io.dropwizard.jetty.MutableServletContextHandler;
import io.dropwizard.jetty.setup.ServletEnvironment;
import io.dropwizard.lifecycle.setup.LifecycleEnvironment;
import org.glassfish.jersey.servlet.ServletContainer;
import javax.servlet.Servlet;
import javax.validation.Validator;
import static com.google.common.base.Preconditions.checkNotNull;
// TODO: 5/15/13 <coda> -- add tests for Environment
/**
* A Dropwizard application's environment.
*/
public class Environment {
private final String name;
private final MetricRegistry metricRegistry;
private final HealthCheckRegistry healthCheckRegistry;
private final ObjectMapper objectMapper;
private Validator validator;
private final JerseyContainerHolder jerseyServletContainer;
private final JerseyEnvironment jerseyEnvironment;
private final MutableServletContextHandler servletContext;
private final ServletEnvironment servletEnvironment;
private final LifecycleEnvironment lifecycleEnvironment;
private final MutableServletContextHandler adminContext;
private final AdminEnvironment adminEnvironment;
/**
* Creates a new environment.
*
* @param name the name of the application
* @param objectMapper the {@link ObjectMapper} for the application
*/
public Environment(String name,
ObjectMapper objectMapper,
Validator validator,
MetricRegistry metricRegistry,
ClassLoader classLoader) {
this.name = name;
this.objectMapper = objectMapper;
this.metricRegistry = metricRegistry;
this.healthCheckRegistry = new HealthCheckRegistry();
this.validator = validator;
this.servletContext = new MutableServletContextHandler();
servletContext.setClassLoader(classLoader);
this.servletEnvironment = new ServletEnvironment(servletContext);
this.adminContext = new MutableServletContextHandler();
adminContext.setClassLoader(classLoader);
this.adminEnvironment = new AdminEnvironment(adminContext, healthCheckRegistry, metricRegistry);
this.lifecycleEnvironment = new LifecycleEnvironment();
final DropwizardResourceConfig jerseyConfig = new DropwizardResourceConfig(metricRegistry);
this.jerseyServletContainer = new JerseyContainerHolder(new ServletContainer(jerseyConfig));
this.jerseyEnvironment = new JerseyEnvironment(jerseyServletContainer, jerseyConfig);
}
/**
* Returns the application's {@link JerseyEnvironment}.
*/
public JerseyEnvironment jersey() {
return jerseyEnvironment;
}
/**
* Returns the application's {@link AdminEnvironment}.
*/
public AdminEnvironment admin() {
return adminEnvironment;
}
/**
* Returns the application's {@link LifecycleEnvironment}.
*/
public LifecycleEnvironment lifecycle() {
return lifecycleEnvironment;
}
/**
* Returns the application's {@link ServletEnvironment}.
*/
public ServletEnvironment servlets() {
return servletEnvironment;
}
/**
* Returns the application's {@link ObjectMapper}.
*/
public ObjectMapper getObjectMapper() {
return objectMapper;
}
/**
* Returns the application's name.
*/
public String getName() {
return name;
}
/**
* Returns the application's {@link Validator}.
*/
public Validator getValidator() {
return validator;
}
/**
* Sets the application's {@link Validator}.
*/
public void setValidator(Validator validator) {
this.validator = checkNotNull(validator);
}
/**
* Returns the application's {@link MetricRegistry}.
*/
public MetricRegistry metrics() {
return metricRegistry;
}
/**
* Returns the application's {@link HealthCheckRegistry}.
*/
public HealthCheckRegistry healthChecks() {
return healthCheckRegistry;
}
/*
* Internal Accessors
*/
// TODO: 5/4/13 <coda> -- figure out how to make these accessors not a public API
public MutableServletContextHandler getApplicationContext() {
return servletContext;
}
public Servlet getJerseyServletContainer() {
return jerseyServletContainer.getContainer();
}
public MutableServletContextHandler getAdminContext() {
return adminContext;
}
}