--- a/jdk/src/sample/share/nio/chatserver/ClientReader.java Thu Apr 20 18:14:05 2017 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-/*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of Oracle nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * This source code is provided to illustrate the usage of a given feature
- * or technique and has been deliberately simplified. Additional steps
- * required for a production-quality application, such as security checks,
- * input validation and proper error handling, might not be present in
- * this sample code.
- */
-
-
-import java.nio.ByteBuffer;
-import java.nio.channels.CompletionHandler;
-
-/**
- * Handles a cycle of reading / writing on the {@code Client}.
- */
-class ClientReader {
- private final DataReader callback;
- private final ChatServer chatServer;
-
- ClientReader(ChatServer chatServer, DataReader callback) {
- this.chatServer = chatServer;
- this.callback = callback;
- }
-
- public boolean acceptsMessages() {
- return callback.acceptsMessages();
- }
-
- /**
- * Runs a cycle of doing a beforeRead action and then enqueuing a new
- * read on the client. Handles closed channels and errors while reading.
- * If the client is still connected a new round of actions are called.
- */
- public void run(final Client client) {
- callback.beforeRead(client);
- client.read(new CompletionHandler<Integer, ByteBuffer>() {
- @Override
- public void completed(Integer result, ByteBuffer buffer) {
- // if result is negative or zero the connection has been closed or something gone wrong
- if (result < 1) {
- client.close();
- System.out.println("Closing connection to " + client);
- chatServer.removeClient(client);
- } else {
- callback.onData(client, buffer, result);
- // enqueue next round of actions
- client.run();
- }
- }
-
- @Override
- public void failed(Throwable exc, ByteBuffer buffer) {
- client.close();
- chatServer.removeClient(client);
- }
- });
- }
-}