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package org.glassfish.jersey.simple;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.Principal;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.core.SecurityContext;
import javax.inject.Inject;
import javax.inject.Provider;
import org.glassfish.jersey.internal.MapPropertiesDelegate;
import org.glassfish.jersey.internal.inject.ReferencingFactory;
import org.glassfish.jersey.internal.util.ExtendedLogger;
import org.glassfish.jersey.internal.util.collection.Ref;
import org.glassfish.jersey.process.internal.RequestScoped;
import org.glassfish.jersey.server.ApplicationHandler;
import org.glassfish.jersey.server.ContainerException;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.server.ContainerResponse;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.server.internal.ConfigHelper;
import org.glassfish.jersey.server.spi.Container;
import org.glassfish.jersey.server.spi.ContainerLifecycleListener;
import org.glassfish.jersey.server.spi.ContainerResponseWriter;
import org.glassfish.jersey.server.spi.RequestScopedInitializer;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.api.TypeLiteral;
import org.glassfish.hk2.utilities.Binder;
import org.glassfish.hk2.utilities.binding.AbstractBinder;
import org.simpleframework.http.Address;
import org.simpleframework.http.Request;
import org.simpleframework.http.Response;
import org.simpleframework.http.Status;
/**
* Simple Jersey HTTP Container.
*
* @author Arul Dhesiaseelan (aruld@acm.org)
*/
public final class SimpleContainer implements org.simpleframework.http.core.Container, Container {
private static final ExtendedLogger logger =
new ExtendedLogger(Logger.getLogger(SimpleContainer.class.getName()), Level.FINEST);
/**
* Referencing factory for Simple request.
*/
private static class SimpleRequestReferencingFactory extends ReferencingFactory<Request> {
@Inject
public SimpleRequestReferencingFactory(Provider<Ref<Request>> referenceFactory) {
super(referenceFactory);
}
}
/**
* Referencing factory for Simple response.
*/
private static class SimpleResponseReferencingFactory extends ReferencingFactory<Response> {
@Inject
public SimpleResponseReferencingFactory(Provider<Ref<Response>> referenceFactory) {
super(referenceFactory);
}
}
/**
* An internal binder to enable Simple HTTP container specific types injection.
* This binder allows to inject underlying Grizzly HTTP request and response instances.
*/
private static class SimpleBinder extends AbstractBinder {
@Override
protected void configure() {
bindFactory(SimpleRequestReferencingFactory.class).to(Request.class).in(PerLookup.class);
bindFactory(ReferencingFactory.<Request>referenceFactory()).to(new TypeLiteral<Ref<Request>>() {
}).in(RequestScoped.class);
bindFactory(SimpleResponseReferencingFactory.class).to(Response.class).in(PerLookup.class);
bindFactory(ReferencingFactory.<Response>referenceFactory()).to(new TypeLiteral<Ref<Response>>() {
}).in(RequestScoped.class);
}
}
private volatile ApplicationHandler appHandler;
private volatile ContainerLifecycleListener containerListener;
private final static class Writer implements ContainerResponseWriter {
private final Response response;
private final Request request;
Writer(Request request, Response response) {
this.response = response;
this.request = request;
}
@Override
public OutputStream writeResponseStatusAndHeaders(long contentLength, ContainerResponse context) throws ContainerException {
final javax.ws.rs.core.Response.StatusType statusInfo = context.getStatusInfo();
final int code = statusInfo.getStatusCode();
final String reason = statusInfo.getReasonPhrase() == null ? Status.getDescription(code)
: statusInfo.getReasonPhrase();
String method = request.getMethod();
response.setCode(code);
response.setDescription(reason);
if (!method.equalsIgnoreCase("HEAD") && contentLength != -1 && contentLength < Integer.MAX_VALUE) {
response.setContentLength((int) contentLength);
}
for (final Map.Entry<String, List<String>> e : context.getStringHeaders().entrySet()) {
for (final String value : e.getValue()) {
response.addValue(e.getKey(), value);
}
}
try {
return response.getOutputStream();
} catch (IOException ioe) {
throw new ContainerException("Error during writing out the response headers.", ioe);
}
}
@Override
public boolean suspend(long timeOut, TimeUnit timeUnit, TimeoutHandler timeoutHandler) {
throw new UnsupportedOperationException("Method suspend is not supported by the container.");
}
@Override
public void setSuspendTimeout(long timeOut, TimeUnit timeUnit) throws IllegalStateException {
throw new UnsupportedOperationException("Method suspend is not supported by the container.");
}
@Override
public void commit() {
try {
response.close();
} catch (IOException e) {
logger.log(Level.SEVERE, "Unable to send 500 error response.", e);
} finally {
logger.debugLog("commit() called");
}
}
@Override
public void failure(Throwable error) {
try {
if (!response.isCommitted()) {
response.setCode(500);
response.setDescription(error.getMessage());
}
} finally {
logger.debugLog("failure(...) called");
commit();
rethrow(error);
}
}
@Override
public boolean enableResponseBuffering() {
return false;
}
/**
* Rethrow the original exception as required by JAX-RS, 3.3.4
*
* @param error throwable to be re-thrown
*/
private void rethrow(Throwable error) {
if (error instanceof RuntimeException) {
throw (RuntimeException) error;
} else {
throw new ContainerException(error);
}
}
}
public void handle(final Request request, final Response response) {
final Writer responseWriter = new Writer(request, response);
final URI baseUri = getBaseUri(request);
final URI requestUri = baseUri.resolve(request.getTarget());
try {
final ContainerRequest requestContext = new ContainerRequest(
baseUri,
requestUri,
request.getMethod(),
getSecurityContext(request),
new MapPropertiesDelegate());
requestContext.setEntityStream(request.getInputStream());
for (String headerName : request.getNames()) {
requestContext.headers(headerName, request.getValue(headerName));
}
requestContext.setWriter(responseWriter);
requestContext.setRequestScopedInitializer(new RequestScopedInitializer() {
@Override
public void initialize(ServiceLocator locator) {
locator.<Ref<Request>>getService((new TypeLiteral<Ref<Request>>() {
}).getType()).set(request);
locator.<Ref<Response>>getService((new TypeLiteral<Ref<Response>>() {
}).getType()).set(response);
}
});
appHandler.handle(requestContext);
} catch (Exception ex) {
throw new RuntimeException(ex);
} finally {
close(response);
}
}
private SecurityContext getSecurityContext(final Request request) {
return new SecurityContext() {
@Override
public boolean isUserInRole(String role) {
return false;
}
@Override
public boolean isSecure() {
return request.isSecure();
}
@Override
public Principal getUserPrincipal() {
return request.getSecuritySession().getLocalPrincipal();
}
@Override
public String getAuthenticationScheme() {
return null;
}
};
}
private void close(Response response) {
try {
response.close();
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
private URI getBaseUri(Request request) {
try {
final Address address = request.getAddress();
return new URI(
address.getScheme(),
null,
address.getDomain(),
address.getPort(),
"/",
null, null);
} catch (URISyntaxException ex) {
throw new IllegalArgumentException(ex);
}
}
@Override
public ResourceConfig getConfiguration() {
return appHandler.getConfiguration();
}
@Override
public void reload() {
reload(getConfiguration());
}
@Override
public void reload(ResourceConfig configuration) {
appHandler = new ApplicationHandler(configuration.register(new SimpleBinder()));
containerListener.onReload(this);
containerListener = ConfigHelper.getContainerLifecycleListener(appHandler);
}
/**
* Inform this container that the server was started. This method must be implicitly called after
* the server containing this container is started.
*/
void onServerStart() {
this.containerListener.onStartup(this);
}
/**
* Creates a new Grizzly container.
*
* @param application Jersey application to be deployed on Grizzly container.
*/
SimpleContainer(final ApplicationHandler application) {
this.appHandler = application;
this.containerListener = ConfigHelper.getContainerLifecycleListener(application);
this.appHandler.registerAdditionalBinders(new HashSet<Binder>() {{
add(new SimpleBinder());
}});
}
}