| /* |
| * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| Provides a simple high-level Http server API, which can be used to build |
| embedded HTTP servers. Both "http" and "https" are supported. The API provides |
| a partial implementation of RFC <a href="http://www.ietf.org/rfc/rfc2616.txt">2616</a> (HTTP 1.1) |
| and RFC <a href="http://www.ietf.org/rfc/rfc2818.txt">2818</a> (HTTP over TLS). |
| Any HTTP functionality not provided by this API can be implemented by application code |
| using the API. |
| <p> |
| Programmers must implement the {@link com.sun.net.httpserver.HttpHandler} interface. This interface |
| provides a callback which is invoked to handle incoming requests from clients. |
| A HTTP request and its response is known as an exchange. HTTP exchanges are |
| represented by the {@link com.sun.net.httpserver.HttpExchange} class. |
| The {@link com.sun.net.httpserver.HttpServer} class is used to listen for incoming TCP connections |
| and it dispatches requests on these connections to handlers which have been |
| registered with the server. |
| <p> |
| A minimal Http server example is shown below: |
| <blockquote><pre> |
| class MyHandler implements HttpHandler { |
| public void handle(HttpExchange t) throws IOException { |
| InputStream is = t.getRequestBody(); |
| read(is); // .. read the request body |
| String response = "This is the response"; |
| t.sendResponseHeaders(200, response.length()); |
| OutputStream os = t.getResponseBody(); |
| os.write(response.getBytes()); |
| os.close(); |
| } |
| } |
| ... |
| |
| HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0); |
| server.createContext("/applications/myapp", new MyHandler()); |
| server.setExecutor(null); // creates a default executor |
| server.start(); |
| </pre></blockquote> |
| <p>The example above creates a simple HttpServer which uses the calling |
| application thread to invoke the handle() method for incoming http |
| requests directed to port 8000, and to the path /applications/myapp/. |
| <p> |
| The {@link com.sun.net.httpserver.HttpExchange} class encapsulates everything an application needs to |
| process incoming requests and to generate appropriate responses. |
| <p> |
| Registering a handler with a HttpServer creates a {@link com.sun.net.httpserver.HttpContext} object and |
| {@link com.sun.net.httpserver.Filter} |
| objects can be added to the returned context. Filters are used to perform automatic pre- and |
| post-processing of exchanges before they are passed to the exchange handler. |
| <p> |
| For sensitive information, a {@link com.sun.net.httpserver.HttpsServer} can |
| be used to process "https" requests secured by the SSL or TLS protocols. |
| A HttpsServer must be provided with a |
| {@link com.sun.net.httpserver.HttpsConfigurator} object, which contains an |
| initialized {@link javax.net.ssl.SSLContext}. |
| HttpsConfigurator can be used to configure the |
| cipher suites and other SSL operating parameters. |
| A simple example SSLContext could be created as follows: |
| <blockquote><pre> |
| char[] passphrase = "passphrase".toCharArray(); |
| KeyStore ks = KeyStore.getInstance("JKS"); |
| ks.load(new FileInputStream("testkeys"), passphrase); |
| |
| KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509"); |
| kmf.init(ks, passphrase); |
| |
| TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509"); |
| tmf.init(ks); |
| |
| SSLContext ssl = SSLContext.getInstance("TLS"); |
| ssl.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null); |
| </pre></blockquote> |
| <p> |
| In the example above, a keystore file called "testkeys", created with the keytool utility |
| is used as a certificate store for client and server certificates. |
| The following code shows how the SSLContext is then used in a HttpsConfigurator |
| and how the SSLContext and HttpsConfigurator are linked to the HttpsServer. |
| <blockquote><pre> |
| server.setHttpsConfigurator (new HttpsConfigurator(sslContext) { |
| public void configure (HttpsParameters params) { |
| |
| // get the remote address if needed |
| InetSocketAddress remote = params.getClientAddress(); |
| |
| SSLContext c = getSSLContext(); |
| |
| // get the default parameters |
| SSLParameters sslparams = c.getDefaultSSLParameters(); |
| if (remote.equals (...) ) { |
| // modify the default set for client x |
| } |
| |
| params.setSSLParameters(sslparams); |
| // statement above could throw IAE if any params invalid. |
| // eg. if app has a UI and parameters supplied by a user. |
| |
| } |
| }); |
| </pre></blockquote> |
| |
| @since 1.6 |
| */ |
| package com.sun.net.httpserver; |