org.mortbay.jetty.j2sehttpspi.J2SEHTTPContextHandler Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jetty-j2sehttpspi Show documentation
The newest version!
package org.mortbay.jetty.j2sehttpspi;

//========================================================================
//$$Id: JAXWS2ContextHandler.java 623 2008-01-03 21:51:42Z lorban $$
//
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at 
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//========================================================================

import com.sun.net.httpserver.Authenticator;
import com.sun.net.httpserver.Authenticator.Result;
import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpPrincipal;
import org.eclipse.jetty.server.HttpConnection;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.ContextHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * Jetty handler that bridges requests to {@link HttpHandler}.
 * @author lorban
 */
public class J2SEHTTPContextHandler extends ContextHandler
{

    private HttpContext _httpContext;

    private HttpHandler _httpHandler;


    public J2SEHTTPContextHandler(HttpContext httpContext, HttpHandler httpHandler)
    {
        this._httpContext = httpContext;
        this._httpHandler = httpHandler;
    }

    @Override
    public void doScope(String target, Request baseRequest, HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException
    {
        if (!target.startsWith(getContextPath())) return;

        JettyHttpExchange jettyHttpExchange = new JettyHttpExchange(_httpContext, req, resp);

        // TODO: add filters processing

        try
        {
            Authenticator auth = _httpContext.getAuthenticator();
            if (auth != null)
                handleAuthentication(resp, jettyHttpExchange, auth);
            else
                _httpHandler.handle(jettyHttpExchange);
        }
        catch(Exception ex)
        {
            PrintWriter writer = new PrintWriter(jettyHttpExchange.getResponseBody());
            
            resp.setStatus(500);
            writer.println("HTTP ERROR: 500");
            writer.println("INTERNAL_SERVER_ERROR");
            writer.println("RequestURI=" + req.getRequestURI() + "");
            
            writer.println("");
            ex.printStackTrace(writer);
            writer.println("");
            
            writer.println("Powered by jetty://");
            
            writer.close();
        }
        finally
        {
            Request base_request = (req instanceof Request) ? (Request)req:HttpConnection.getCurrentConnection().getRequest();
            base_request.setHandled(true);
        }
        
    }


    private void handleAuthentication(HttpServletResponse resp, JettyHttpExchange jettyHttpExchange, Authenticator auth) throws IOException
    {
        Result result = auth.authenticate(jettyHttpExchange);
        if (result instanceof Authenticator.Failure)
        {
            int rc = ((Authenticator.Failure)result).getResponseCode();
            resp.sendError(rc);
        }
        else if (result instanceof Authenticator.Retry)
        {
            int rc = ((Authenticator.Retry)result).getResponseCode();
            resp.sendError(rc);
        }
        else if (result instanceof Authenticator.Success)
        {
            HttpPrincipal principal = ((Authenticator.Success)result).getPrincipal();
            jettyHttpExchange.setPrincipal(principal);
            _httpHandler.handle(jettyHttpExchange);
        }
    }

    public HttpHandler getHttpHandler()
    {
        return _httpHandler;
    }

    public void setHttpHandler(HttpHandler handler)
    {
        this._httpHandler = handler;
    }

}