com.sun.jersey.api.container.grizzly.GrizzlyWebContainerFactory Maven / Gradle / Ivy
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package com.sun.jersey.api.container.grizzly;
import com.sun.grizzly.http.SelectorThread;
import com.sun.grizzly.http.servlet.ServletAdapter;
import com.sun.jersey.api.container.ContainerException;
import com.sun.jersey.api.core.ClasspathResourceConfig;
import com.sun.jersey.spi.container.servlet.ServletContainer;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.Map;
import javax.servlet.Servlet;
/**
* Factory for creating and starting Grizzly {@link SelectorThread} instances
* for deploying a 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 [email protected]
*/
public final class GrizzlyWebContainerFactory {
private GrizzlyWebContainerFactory() {}
/**
* Create a {@link SelectorThread} 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 path, query and fragment components are ignored.
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread 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 SelectorThread} 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 path, query and fragment components are ignored.
* @param initParams the servlet initialization parameters.
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread 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 SelectorThread} 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 path, query and fragment components are ignored.
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread create(URI u)
throws IOException, IllegalArgumentException {
return create(u, ServletContainer.class);
}
/**
* Create a {@link SelectorThread} 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 path, query and fragment components are ignored.
* @param initParams the servlet initialization parameters.
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread create(URI u,
Map initParams) throws IOException {
return create(u, ServletContainer.class, initParams);
}
/**
* Create a {@link SelectorThread} 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 path, query and fragment components are ignored.
* @param c the servlet class
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread create(String u, Class extends Servlet> c) throws IOException {
if (u == null)
throw new IllegalArgumentException("The URI must not be null");
return create(URI.create(u), c);
}
/**
* Create a {@link SelectorThread} 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 path, query and fragment components are ignored.
* @param c the servlet class
* @param initParams the servlet initialization parameters.
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread create(String u, Class extends Servlet> 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 SelectorThread} 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 path, query and fragment components are ignored.
* @param c the servlet class
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread create(URI u, Class extends Servlet> c) throws IOException {
return create(u, c, null);
}
/**
* Create a {@link SelectorThread} 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 path, query and fragment components are ignored.
* @param c the servlet class
* @param initParams the servlet initialization parameters.
* @return the select thread, with the endpoint started
* @throws IOException if an error occurs creating the container.
* @throws IllegalArgumentException if u
is null
*/
public static SelectorThread create(URI u, Class extends Servlet> c,
Map initParams) throws IOException {
if (u == null)
throw new IllegalArgumentException("The URI must not be null");
ServletAdapter adapter = new ServletAdapter();
if (initParams == null) {
adapter.addInitParameter(ClasspathResourceConfig.PROPERTY_CLASSPATH,
System.getProperty("java.class.path").replace(File.pathSeparatorChar, ';'));
} else {
for (Map.Entry e : initParams.entrySet()) {
adapter.addInitParameter(e.getKey(), e.getValue());
}
}
adapter.setServletInstance(getInstance(c));
String path = u.getPath();
if (path == null)
throw new IllegalArgumentException("The URI path, of the URI " + u +
", must be non-null");
else if (path.length() == 0)
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 '/'");
if (path.length() > 1) {
if (path.endsWith("/"))
path = path.substring(0, path.length() - 1);
adapter.setContextPath(path);
}
return GrizzlyServerFactory.create(u, adapter);
}
private static Servlet getInstance(Class extends Servlet> c){
try{
return c.newInstance();
} catch (Exception e) {
throw new ContainerException(e);
}
}
}