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org.glassfish.jersey.simple.SimpleContainer Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2022 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.simple;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Type;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.Principal;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.GenericType;
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.AbstractBinder;
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.ContainerUtils;
import org.glassfish.jersey.server.spi.Container;
import org.glassfish.jersey.server.spi.ContainerResponseWriter;
import org.glassfish.jersey.server.spi.ContainerResponseWriter.TimeoutHandler;
import org.simpleframework.common.thread.DaemonFactory;
import org.simpleframework.http.Address;
import org.simpleframework.http.Request;
import org.simpleframework.http.Response;
import org.simpleframework.http.Status;
/**
* Jersey {@code Container} implementation based on Simple framework
* {@link org.simpleframework.http.core.Container}.
*
* @author Arul Dhesiaseelan ([email protected] )
* @author Marek Potociar
*/
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);
private final Type RequestTYPE = (new GenericType>() { }).getType();
private final Type ResponseTYPE = (new GenericType>() { }).getType();
/**
* Referencing factory for Simple request.
*/
private static class SimpleRequestReferencingFactory extends ReferencingFactory {
@Inject
public SimpleRequestReferencingFactory(final Provider> referenceFactory) {
super(referenceFactory);
}
}
/**
* Referencing factory for Simple response.
*/
private static class SimpleResponseReferencingFactory extends ReferencingFactory {
@Inject
public SimpleResponseReferencingFactory(final Provider> 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).proxy(true)
.proxyForSameScope(false).in(RequestScoped.class);
bindFactory(ReferencingFactory.referenceFactory())
.to(new GenericType>() {
}).in(RequestScoped.class);
bindFactory(SimpleResponseReferencingFactory.class).to(Response.class).proxy(true)
.proxyForSameScope(false).in(RequestScoped.class);
bindFactory(ReferencingFactory.referenceFactory())
.to(new GenericType>() {
}).in(RequestScoped.class);
}
}
private volatile ScheduledExecutorService scheduler;
private volatile ApplicationHandler appHandler;
private static final class ResponseWriter implements ContainerResponseWriter {
private final AtomicReference reference;
private final ScheduledExecutorService scheduler;
private final Response response;
ResponseWriter(final Response response, final ScheduledExecutorService scheduler) {
this.reference = new AtomicReference();
this.response = response;
this.scheduler = scheduler;
}
@Override
public OutputStream writeResponseStatusAndHeaders(final long contentLength,
final 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();
response.setCode(code);
response.setDescription(reason);
if (contentLength != -1) {
response.setContentLength(contentLength);
}
for (final Map.Entry> e : context.getStringHeaders().entrySet()) {
for (final String value : e.getValue()) {
response.addValue(e.getKey(), value);
}
}
try {
return response.getOutputStream();
} catch (final IOException ioe) {
throw new ContainerException("Error during writing out the response headers.", ioe);
}
}
@Override
public boolean suspend(final long timeOut, final TimeUnit timeUnit,
final TimeoutHandler timeoutHandler) {
try {
TimeoutTimer timer = reference.get();
if (timer == null) {
TimeoutDispatcher task = new TimeoutDispatcher(this, timeoutHandler);
ScheduledFuture future =
scheduler.schedule(task, timeOut == 0 ? Integer.MAX_VALUE : timeOut,
timeOut == 0 ? TimeUnit.SECONDS : timeUnit);
timer = new TimeoutTimer(scheduler, future, task);
reference.set(timer);
return true;
}
return false;
} catch (final IllegalStateException ex) {
return false;
} finally {
logger.debugLog("suspend(...) called");
}
}
@Override
public void setSuspendTimeout(final long timeOut, final TimeUnit timeUnit)
throws IllegalStateException {
try {
TimeoutTimer timer = reference.get();
if (timer == null) {
throw new IllegalStateException("Response has not been suspended");
}
timer.reschedule(timeOut, timeUnit);
} finally {
logger.debugLog("setTimeout(...) called");
}
}
@Override
public void commit() {
try {
response.close();
} catch (final IOException e) {
logger.log(Level.SEVERE, "Unable to send 500 error response.", e);
} finally {
logger.debugLog("commit() called");
}
}
public boolean isSuspended() {
return reference.get() != null;
}
@Override
public void failure(final Throwable error) {
try {
if (!response.isCommitted()) {
response.setCode(javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR.getStatusCode());
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(final Throwable error) {
if (error instanceof RuntimeException) {
throw (RuntimeException) error;
} else {
throw new ContainerException(error);
}
}
}
private static final class TimeoutTimer {
private final AtomicReference> reference;
private final ScheduledExecutorService service;
private final TimeoutDispatcher task;
public TimeoutTimer(ScheduledExecutorService service, ScheduledFuture future,
TimeoutDispatcher task) {
this.reference = new AtomicReference>();
this.service = service;
this.task = task;
}
public void reschedule(long timeOut, TimeUnit timeUnit) {
ScheduledFuture future = reference.getAndSet(null);
if (future != null) {
if (future.cancel(false)) {
future = service.schedule(task, timeOut == 0 ? Integer.MAX_VALUE : timeOut,
timeOut == 0 ? TimeUnit.SECONDS : timeUnit);
reference.set(future);
}
} else {
future = service.schedule(task, timeOut == 0 ? Integer.MAX_VALUE : timeOut,
timeOut == 0 ? TimeUnit.SECONDS : timeUnit);
reference.set(future);
}
}
}
private static final class TimeoutDispatcher implements Runnable {
private final ResponseWriter writer;
private final TimeoutHandler handler;
public TimeoutDispatcher(ResponseWriter writer, TimeoutHandler handler) {
this.writer = writer;
this.handler = handler;
}
public void run() {
try {
handler.onTimeout(writer);
} catch (Exception e) {
logger.log(Level.INFO, "Failed to call timeout handler", e);
}
}
}
@Override
public void handle(final Request request, final Response response) {
final ResponseWriter responseWriter = new ResponseWriter(response, scheduler);
final URI baseUri = getBaseUri(request);
final URI requestUri = getRequestUri(request, baseUri);
try {
final ContainerRequest requestContext = new ContainerRequest(baseUri, requestUri,
request.getMethod(), getSecurityContext(request), new MapPropertiesDelegate(), appHandler.getConfiguration());
requestContext.setEntityStream(request.getInputStream());
for (final String headerName : request.getNames()) {
requestContext.headers(headerName, request.getValue(headerName));
}
requestContext.setWriter(responseWriter);
requestContext.setRequestScopedInitializer(injectionManager -> {
injectionManager.>getInstance(RequestTYPE).set(request);
injectionManager.>getInstance(ResponseTYPE).set(response);
});
appHandler.handle(requestContext);
} catch (final Exception ex) {
throw new RuntimeException(ex);
} finally {
if (!responseWriter.isSuspended()) {
close(response);
}
}
}
private URI getRequestUri(final Request request, final URI baseUri) {
try {
final String serverAddress = getServerAddress(baseUri);
String uri = ContainerUtils.getHandlerPath(request.getTarget());
final String queryString = request.getQuery().toString();
if (queryString != null) {
uri = uri + "?" + ContainerUtils.encodeUnsafeCharacters(queryString);
}
return new URI(serverAddress + uri);
} catch (URISyntaxException ex) {
throw new IllegalArgumentException(ex);
}
}
private String getServerAddress(final URI baseUri) throws URISyntaxException {
return new URI(baseUri.getScheme(), null, baseUri.getHost(), baseUri.getPort(), null, null,
null).toString();
}
private URI getBaseUri(final Request request) {
try {
final String hostHeader = request.getValue("Host");
if (hostHeader != null) {
final String scheme = request.isSecure() ? "https" : "http";
return new URI(scheme + "://" + hostHeader + "/");
} else {
final Address address = request.getAddress();
return new URI(address.getScheme(), null, address.getDomain(), address.getPort(), "/", null,
null);
}
} catch (final URISyntaxException ex) {
throw new IllegalArgumentException(ex);
}
}
private SecurityContext getSecurityContext(final Request request) {
return new SecurityContext() {
@Override
public boolean isUserInRole(final String role) {
return false;
}
@Override
public boolean isSecure() {
return request.isSecure();
}
@Override
public Principal getUserPrincipal() {
return null;
}
@Override
public String getAuthenticationScheme() {
return null;
}
};
}
private void close(final Response response) {
try {
response.close();
} catch (final Exception ex) {
throw new RuntimeException(ex);
}
}
@Override
public ResourceConfig getConfiguration() {
return appHandler.getConfiguration();
}
@Override
public void reload() {
reload(new ResourceConfig(getConfiguration()));
}
@Override
public void reload(final ResourceConfig configuration) {
appHandler.onShutdown(this);
appHandler = new ApplicationHandler(configuration.register(new SimpleBinder()));
scheduler = new ScheduledThreadPoolExecutor(2, new DaemonFactory(TimeoutDispatcher.class));
appHandler.onReload(this);
appHandler.onStartup(this);
}
@Override
public ApplicationHandler getApplicationHandler() {
return appHandler;
}
/**
* Inform this container that the server has been started.
*
* This method must be implicitly called after the server containing this container is started.
*/
void onServerStart() {
appHandler.onStartup(this);
}
/**
* Inform this container that the server is being stopped.
*
* This method must be implicitly called before the server containing this container is stopped.
*/
void onServerStop() {
appHandler.onShutdown(this);
scheduler.shutdown();
}
/**
* Create a new Simple framework HTTP container.
*
* @param application JAX-RS / Jersey application to be deployed on Simple framework HTTP container.
* @param parentContext DI provider specific context with application's registered bindings.
*/
SimpleContainer(final Application application, final Object parentContext) {
this.appHandler = new ApplicationHandler(application, new SimpleBinder(), parentContext);
this.scheduler = new ScheduledThreadPoolExecutor(2, new DaemonFactory(TimeoutDispatcher.class));
}
/**
* Create a new Simple framework HTTP container.
*
* @param application JAX-RS / Jersey application to be deployed on Simple framework HTTP
* container.
*/
SimpleContainer(final Application application) {
this.appHandler = new ApplicationHandler(application, new SimpleBinder());
this.scheduler = new ScheduledThreadPoolExecutor(2, new DaemonFactory(TimeoutDispatcher.class));
}
}
