org.glassfish.jersey.grizzly2.servlet.GrizzlyWebContainerFactory Maven / Gradle / Ivy
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package org.glassfish.jersey.grizzly2.servlet;
import java.io.IOException;
import java.net.URI;
import java.util.Map;
import javax.servlet.Servlet;
import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
import org.glassfish.jersey.servlet.ServletContainer;
import org.glassfish.jersey.uri.UriComponent;
import org.glassfish.grizzly.http.server.HttpServer;
import org.glassfish.grizzly.servlet.ServletRegistration;
import org.glassfish.grizzly.servlet.WebappContext;
/**
* Factory for creating and starting Grizzly 2 {@link HttpServer} instances
* for deploying a {@code Servlet}.
*
* The default deployed server is an instance of {@link ServletContainer}.
*
* If no initialization parameters are declared (or is null) then root
* resource and provider classes will be found by searching the classes
* referenced in the java classpath.
*
* @author Paul Sandoz
* @author Pavel Bucek (pavel.bucek at oracle.com)
*/
public final class GrizzlyWebContainerFactory {
private GrizzlyWebContainerFactory() {
}
/**
* Create a {@link HttpServer} that registers the {@link ServletContainer}.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @return the http server, with the endpoint started.
*
* @throws java.io.IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(String u)
throws IOException, IllegalArgumentException {
if (u == null) {
throw new IllegalArgumentException("The URI must not be null");
}
return create(URI.create(u));
}
/**
* Create a {@link HttpServer} that registers the {@link ServletContainer}.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param initParams the servlet initialization parameters.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(String u, Map initParams)
throws IOException, IllegalArgumentException {
if (u == null) {
throw new IllegalArgumentException("The URI must not be null");
}
return create(URI.create(u), initParams);
}
/**
* Create a {@link HttpServer} that registers the {@link ServletContainer}.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(URI u)
throws IOException, IllegalArgumentException {
return create(u, ServletContainer.class);
}
/**
* Create a {@link HttpServer} that registers the {@link ServletContainer}.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param initParams the servlet initialization parameters.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(URI u,
Map initParams) throws IOException {
return create(u, ServletContainer.class, initParams);
}
/**
* Create a {@link HttpServer} that registers the declared
* servlet class.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param c the servlet class.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(String u, Class c) throws IOException {
if (u == null) {
throw new IllegalArgumentException("The URI must not be null");
}
return create(URI.create(u), c);
}
/**
* Create a {@link HttpServer} that registers the declared
* servlet class.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param c the servlet class.
* @param initParams the servlet initialization parameters.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(String u, Class c,
Map initParams) throws IOException {
if (u == null) {
throw new IllegalArgumentException("The URI must not be null");
}
return create(URI.create(u), c, initParams);
}
/**
* Create a {@link HttpServer} that registers the declared
* servlet class.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param c the servlet class
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(URI u, Class c) throws IOException {
return create(u, c, null);
}
/**
* Create a {@link HttpServer} that registers the declared
* servlet class.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param c the servlet class
* @param initParams the servlet initialization parameters.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(URI u, Class c,
Map initParams) throws IOException {
return create(u, c, null, initParams, null);
}
private static HttpServer create(URI u, Class c, Servlet servlet,
Map initParams, Map contextInitParams)
throws IOException {
if (u == null) {
throw new IllegalArgumentException("The URI must not be null");
}
String path = u.getPath();
if (path == null) {
throw new IllegalArgumentException("The URI path, of the URI " + u + ", must be non-null");
} else if (path.isEmpty()) {
throw new IllegalArgumentException("The URI path, of the URI " + u + ", must be present");
} else if (path.charAt(0) != '/') {
throw new IllegalArgumentException("The URI path, of the URI " + u + ". must start with a '/'");
}
path = String.format("/%s", UriComponent.decodePath(u.getPath(), true).get(1).toString());
WebappContext context = new WebappContext("GrizzlyContext", path);
ServletRegistration registration;
if (c != null) {
registration = context.addServlet(c.getName(), c);
} else {
registration = context.addServlet(servlet.getClass().getName(), servlet);
}
registration.addMapping("/*");
if (contextInitParams != null) {
for (Map.Entry e : contextInitParams.entrySet()) {
context.setInitParameter(e.getKey(), e.getValue());
}
}
if (initParams != null) {
registration.setInitParameters(initParams);
}
HttpServer server = GrizzlyHttpServerFactory.createHttpServer(u);
context.deploy(server);
return server;
}
/**
* Create a {@link HttpServer} that registers the declared servlet instance.
*
* @param u the URI to create the http server. The URI scheme must be
* equal to "http". The URI user information and host
* are ignored If the URI port is not present then port 80 will be
* used. The URI query and fragment components are ignored. Only first path segment will be used
* as context path, the rest will be ignored.
* @param servlet the servlet instance.
* @param initParams the servlet initialization parameters.
* @param contextInitParams the servlet context initialization parameters.
* @return the http server, with the endpoint started.
*
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if {@code u} is {@code null}.
*/
public static HttpServer create(URI u, Servlet servlet, Map initParams, Map contextInitParams)
throws IOException {
if (servlet == null) {
throw new IllegalArgumentException("The servlet must not be null");
}
return create(u, null, servlet, initParams, contextInitParams);
}
}
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