org.argeo.cms.lib.jetty/src/org/argeo/cms/jetty/JettyHttpContext.java

   1 package org.argeo.cms.jetty;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5 import java.util.Objects;
   6
   7 import javax.servlet.ServletContext;
   8 import javax.websocket.DeploymentException;
   9 import javax.websocket.server.ServerContainer;
  10
  11 import org.argeo.cms.websocket.server.WebsocketEndpoints;
  12 import org.eclipse.jetty.servlet.ServletContextHandler;
  13 import org.eclipse.jetty.websocket.javax.server.config.JavaxWebSocketServletContainerInitializer;
  14 import org.eclipse.jetty.websocket.javax.server.config.JavaxWebSocketServletContainerInitializer.Configurator;
  15
  16 import com.sun.net.httpserver.Authenticator;
  17 import com.sun.net.httpserver.Filter;
  18 import com.sun.net.httpserver.HttpContext;
  19 import com.sun.net.httpserver.HttpHandler;
  20 import com.sun.net.httpserver.HttpServer;
  21
  22 /**
  23  * An @{HttpContext} implementation based on Jetty. It supports web sockets if
  24  * the handler implements {@link WebsocketEndpoints}.
  25  */
  26 abstract class JettyHttpContext extends HttpContext {
  27         private final JettyHttpServer httpServer;
  28         private final String path;
  29         private final List<Filter> filters = new ArrayList<>();
  30
  31         private HttpHandler handler;
  32         private Authenticator authenticator;
  33
  34         public JettyHttpContext(JettyHttpServer httpServer, String path) {
  35                 this.httpServer = httpServer;
  36                 if (!path.endsWith("/"))
  37                         throw new IllegalArgumentException("Path " + path + " should end with a /");
  38                 this.path = path;
  39         }
  40
  41         protected abstract ServletContextHandler getServletContextHandler();
  42
  43         @Override
  44         public HttpHandler getHandler() {
  45                 return handler;
  46         }
  47
  48         @Override
  49         public void setHandler(HttpHandler handler) {
  50                 if (this.handler != null)
  51                         throw new IllegalArgumentException("Handler is already set");
  52                 Objects.requireNonNull(handler);
  53                 this.handler = handler;
  54         }
  55
  56         @Override
  57         public String getPath() {
  58                 return path;
  59         }
  60
  61         @Override
  62         public HttpServer getServer() {
  63                 return getJettyHttpServer();
  64         }
  65
  66         protected JettyHttpServer getJettyHttpServer() {
  67                 return httpServer;
  68         }
  69
  70         @Override
  71         public List<Filter> getFilters() {
  72                 return filters;
  73         }
  74
  75         @Override
  76         public Authenticator setAuthenticator(Authenticator auth) {
  77                 Authenticator previousAuthenticator = authenticator;
  78                 this.authenticator = auth;
  79                 return previousAuthenticator;
  80         }
  81
  82         @Override
  83         public Authenticator getAuthenticator() {
  84                 return authenticator;
  85         }
  86
  87 }