jdk/src/share/classes/sun/security/krb5/internal/TCPClient.java
changeset 7565 0fa5baf68639
parent 7308 95b4878b4890
parent 7217 8c840d3ab24f
child 7566 39a122ae85a8
--- a/jdk/src/share/classes/sun/security/krb5/internal/TCPClient.java	Tue Nov 09 23:05:33 2010 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,155 +0,0 @@
-/*
- * Copyright (c) 2000, 2003, 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.
- */
-
-/*
- *
- *  (C) Copyright IBM Corp. 1999 All Rights Reserved.
- *  Copyright 1997 The Open Group Research Institute.  All rights reserved.
- */
-
-package sun.security.krb5.internal;
-
-import java.io.*;
-import java.net.*;
-
-public class TCPClient {
-
-    private Socket tcpSocket;
-    private BufferedOutputStream out;
-    private BufferedInputStream in;
-
-    public TCPClient(String hostname, int port) throws IOException {
-        tcpSocket = new Socket(hostname, port);
-        out = new BufferedOutputStream(tcpSocket.getOutputStream());
-        in = new BufferedInputStream(tcpSocket.getInputStream());
-    }
-
-    public void send(byte[] data) throws IOException {
-        byte[] lenField = new byte[4];
-        intToNetworkByteOrder(data.length, lenField, 0, 4);
-        out.write(lenField);
-
-        out.write(data);
-        out.flush();
-    }
-
-    public byte[] receive() throws IOException {
-        byte[] lenField = new byte[4];
-        int count = readFully(lenField, 4);
-
-        if (count != 4) {
-            if (Krb5.DEBUG) {
-                System.out.println(
-                    ">>>DEBUG: TCPClient could not read length field");
-            }
-            return null;
-        }
-
-        int len = networkByteOrderToInt(lenField, 0, 4);
-        if (Krb5.DEBUG) {
-            System.out.println(
-                ">>>DEBUG: TCPClient reading " + len + " bytes");
-        }
-        if (len <= 0) {
-            if (Krb5.DEBUG) {
-                System.out.println(
-                    ">>>DEBUG: TCPClient zero or negative length field: "+len);
-            }
-            return null;
-        }
-
-        byte data[] = new byte[len];
-        count = readFully(data, len);
-        if (count != len) {
-            if (Krb5.DEBUG) {
-                System.out.println(
-                    ">>>DEBUG: TCPClient could not read complete packet (" +
-                    len + "/" + count + ")");
-            }
-            return null;
-        } else {
-            return data;
-        }
-    }
-
-    public void close() throws IOException {
-        tcpSocket.close();
-    }
-
-    /**
-     * Read requested number of bytes before returning.
-     * @return The number of bytes actually read; -1 if none read
-     */
-    private int readFully(byte[] inBuf, int total) throws IOException {
-        int count, pos = 0;
-
-        while (total > 0) {
-            count = in.read(inBuf, pos, total);
-
-            if (count == -1) {
-                return (pos == 0? -1 : pos);
-            }
-            pos += count;
-            total -= count;
-        }
-        return pos;
-    }
-
-    /**
-     * Returns the integer represented by 4 bytes in network byte order.
-     */
-    private static final int networkByteOrderToInt(byte[] buf, int start,
-        int count) {
-        if (count > 4) {
-            throw new IllegalArgumentException(
-                "Cannot handle more than 4 bytes");
-        }
-
-        int answer = 0;
-
-        for (int i = 0; i < count; i++) {
-            answer <<= 8;
-            answer |= ((int)buf[start+i] & 0xff);
-        }
-        return answer;
-    }
-
-    /**
-     * Encodes an integer into 4 bytes in network byte order in the buffer
-     * supplied.
-     */
-    private static final void intToNetworkByteOrder(int num, byte[] buf,
-        int start, int count) {
-        if (count > 4) {
-            throw new IllegalArgumentException(
-                "Cannot handle more than 4 bytes");
-        }
-
-        for (int i = count-1; i >= 0; i--) {
-            buf[start+i] = (byte)(num & 0xff);
-            num >>>= 8;
-        }
-    }
-}