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25 
26 package com.sun.net.httpserver;
27 
28 import java.io.IOException;
29 import java.net.BindException;
30 import java.net.InetSocketAddress;
31 import com.sun.net.httpserver.spi.HttpServerProvider;
32 
33 /**
34  * This class is an extension of {@link HttpServer} which provides support for
35  * HTTPS.
36  *
37  * <p>A {@code HttpsServer} must have an associated {@link HttpsConfigurator} object
38  * which is used to establish the SSL configuration for the SSL connections.
39  *
40  * <p>All other configuration is the same as for {@code HttpServer}.
41  *
42  * @since 1.6
43  */
44 
45 public abstract class HttpsServer extends HttpServer {
46 
47     /**
48      * Constructor for subclasses to call.
49      */
HttpsServer()50     protected HttpsServer() {
51     }
52 
53     /**
54      * Creates a {@code HttpsServer} instance which is initially not bound to any
55      * local address/port. The {@code HttpsServer} is acquired from the currently
56      * installed {@link HttpServerProvider}. The server must be bound using
57      * {@link #bind(InetSocketAddress,int)} before it can be used. The server
58      * must also have a {@code HttpsConfigurator} established with
59      * {@link #setHttpsConfigurator(HttpsConfigurator)}.
60      *
61      * @return an instance of {@code HttpsServer}
62      * @throws IOException if an I/O error occurs
63      */
create()64     public static HttpsServer create() throws IOException {
65         return create(null, 0);
66     }
67 
68     /**
69      * Create a {@code HttpsServer} instance which will bind to the specified
70      * {@link java.net.InetSocketAddress} (IP address and port number).
71      *
72      * A maximum backlog can also be specified. This is the maximum number of
73      * queued incoming connections to allow on the listening socket. Queued TCP
74      * connections exceeding this limit may be rejected by the TCP implementation.
75      * The {@code HttpsServer} is acquired from the currently installed
76      * {@link HttpServerProvider}. The server must have a {@code HttpsConfigurator}
77      * established with {@link #setHttpsConfigurator(HttpsConfigurator)}.
78      *
79      * @param addr the address to listen on, if {@code null} then
80      *             {@link #bind(InetSocketAddress,int)} must be called to set
81      *             the address
82      * @param backlog the socket backlog. If this value is less than or equal to
83      *               zero, then a system default value is used.
84      * @return an instance of {@code HttpsServer}
85      * @throws BindException if the server cannot bind to the requested address,
86      *          or if the server is already bound
87      * @throws IOException if an I/O error occurs
88      */
89 
create(InetSocketAddress addr, int backlog)90     public static HttpsServer create(InetSocketAddress addr, int backlog) throws IOException {
91         HttpServerProvider provider = HttpServerProvider.provider();
92         return provider.createHttpsServer(addr, backlog);
93     }
94 
95     /**
96      * Sets this server's {@link HttpsConfigurator} object.
97      *
98      * @param config the {@code HttpsConfigurator} to set
99      * @throws NullPointerException if config is {@code null}
100      */
setHttpsConfigurator(HttpsConfigurator config)101     public abstract void setHttpsConfigurator(HttpsConfigurator config);
102 
103     /**
104      * Gets this server's {@link HttpsConfigurator} object, if it has been set.
105      *
106      * @return the {@code HttpsConfigurator} for this server, or {@code null} if
107      * not set
108      */
getHttpsConfigurator()109     public abstract HttpsConfigurator getHttpsConfigurator();
110 }
111