diff options
Diffstat (limited to 'libjava/classpath/gnu/javax/net/ssl/SSLRecordHandler.java')
-rw-r--r-- | libjava/classpath/gnu/javax/net/ssl/SSLRecordHandler.java | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/net/ssl/SSLRecordHandler.java b/libjava/classpath/gnu/javax/net/ssl/SSLRecordHandler.java new file mode 100644 index 000000000..8a44245ce --- /dev/null +++ b/libjava/classpath/gnu/javax/net/ssl/SSLRecordHandler.java @@ -0,0 +1,100 @@ +/* SSLRecordHandler.java -- a class that handles SSL record layer messages. + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.javax.net.ssl; + +import java.nio.ByteBuffer; +import javax.net.ssl.SSLException; + +public abstract class SSLRecordHandler +{ + private final byte contentType; + + /** + * Create a new record handler for the given content type. + */ + protected SSLRecordHandler (final byte contentType) + { + this.contentType = contentType; + } + + /** + * Handle an SSL record layer message, encapsulated in the supplied + * input buffer, and writing any output bytes to the output + * buffer. The input buffer is always only limited to the bytes that + * encapsulate the <em>fragment</em> of the record layer message + * — that is, the content-type, version, and length fields are + * not present in the input buffer, and the limit of the input + * buffer is always only as large as the fragment. If the message + * being read is not contained entirely within the given buffer, + * then the implementation should cache the bytes read as input, and + * wait until subsequent calls finish the object being read. + * + * <p>Technically, we expect only APPLICATION messages to ever + * produce output, but do suppose that extensions to the SSL + * protocol could allow other channels that produce output. + * + * @param input The input buffer. + * @param output The output buffer. + */ + public abstract void handle (final ByteBuffer input, + final ByteBuffer output) + throws SSLException; + + /** + * Returns the record layer content type that this handler is for. + * + * @return The content type value. + */ + public final byte contentType () + { + return contentType; + } + + public boolean equals (final Object o) + { + if (!(o instanceof SSLRecordHandler)) + return false; + return ((SSLRecordHandler) o).contentType == contentType; + } + + public int hashCode () + { + return contentType & 0xFF; + } +} |