1 /* SSLEngineResult.java --
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
39 package javax.net.ssl;
42 * A result from an {@link SSLEngine} <code>wrap</code> or
43 * <code>unwrap</code> operation. This class conveys a possibly
44 * intermediate result, and may ask for more input data or request
45 * that output data be sent over a connection.
47 public class SSLEngineResult
49 private final HandshakeStatus handshakeStatus;
50 private final Status status;
51 private final int bytesConsumed;
52 private final int bytesProduced;
55 * Creates a new SSL engine result.
57 * @param status The status of the SSL connection.
58 * @param handshakeStatus The status of the SSL handshake.
59 * @param bytesConsumed The number of bytes consumed by the previous
61 * @param bytesProduced The number of bytes produced by the previous
63 * @throws IllegalArgumentException If either enum value is
64 * <code>null</code>, or if either integer is negative.
66 public SSLEngineResult (Status status, HandshakeStatus handshakeStatus,
67 int bytesConsumed, int bytesProduced)
70 throw new IllegalArgumentException ("'status' may not be null");
71 if (handshakeStatus == null)
72 throw new IllegalArgumentException ("'handshakeStatus' may not be null");
73 if (bytesConsumed < 0)
74 throw new IllegalArgumentException ("'bytesConumed' must be nonnegative");
75 if (bytesProduced < 0)
76 throw new IllegalArgumentException ("'bytesProduced' must be nonnegative");
78 this.handshakeStatus = handshakeStatus;
79 this.bytesConsumed = bytesConsumed;
80 this.bytesProduced = bytesProduced;
86 * An enumeration of possible general states.
88 public static enum Status
92 * There were not enough input bytes available to complete the
98 * There was not enough space for the output message.
108 * The connection is closed.
114 * An enumeration of possible handshake status states.
116 public static enum HandshakeStatus
120 * Not currently handshaking.
125 * The handshake is finished.
130 * Needs the status of one or more delegated tasks.
135 * Has data prepared for output, and needs a new call to
141 * Is waiting for more input.
149 * Returns the number of bytes consumed by the previous operation.
151 * @return The number of bytes consumed.
153 public int bytesConsumed ()
155 return bytesConsumed;
159 * Returns the number of bytes produced by the previous operation.
161 * @return The number of bytes produced.
163 public int bytesProduced ()
165 return bytesProduced;
169 * Returns the handshake status.
171 * @return The handshake status.
173 public HandshakeStatus getHandshakeStatus ()
175 return handshakeStatus;
179 * Returns the connection status.
181 * @return The connection status.
183 public Status getStatus ()
188 public String toString ()
190 return (super.toString () + " [ status: " + status + "; handshakeStatus: "
191 + handshakeStatus + "; bytesConsumed: " + bytesConsumed
192 + "; bytesProduced: " + bytesProduced + " ]");