author | rriggs |
Sun, 29 Oct 2017 18:20:53 -0400 | |
changeset 47471 | 304ef03403b1 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.ssl; |
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import java.io.PrintStream; |
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import java.util.Locale; |
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import sun.security.util.HexDumpEncoder; |
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import java.nio.ByteBuffer; |
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import sun.security.action.GetPropertyAction; |
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/** |
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* This class has be shamefully lifted from sun.security.util.Debug |
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* |
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* @author Gary Ellison |
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*/ |
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public class Debug { |
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private String prefix; |
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private static String args; |
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static { |
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args = GetPropertyAction.privilegedGetProperty("javax.net.debug", ""); |
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args = args.toLowerCase(Locale.ENGLISH); |
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if (args.equals("help")) { |
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Help(); |
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} |
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} |
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public static void Help() |
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{ |
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System.err.println(); |
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System.err.println("all turn on all debugging"); |
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System.err.println("ssl turn on ssl debugging"); |
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System.err.println(); |
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System.err.println("The following can be used with ssl:"); |
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System.err.println("\trecord enable per-record tracing"); |
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System.err.println("\thandshake print each handshake message"); |
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System.err.println("\tkeygen print key generation data"); |
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System.err.println("\tsession print session activity"); |
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System.err.println("\tdefaultctx print default SSL initialization"); |
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System.err.println("\tsslctx print SSLContext tracing"); |
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System.err.println("\tsessioncache print session cache tracing"); |
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System.err.println("\tkeymanager print key manager tracing"); |
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System.err.println("\ttrustmanager print trust manager tracing"); |
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System.err.println("\tpluggability print pluggability tracing"); |
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System.err.println(); |
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System.err.println("\thandshake debugging can be widened with:"); |
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System.err.println("\tdata hex dump of each handshake message"); |
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System.err.println("\tverbose verbose handshake message printing"); |
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System.err.println(); |
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System.err.println("\trecord debugging can be widened with:"); |
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System.err.println("\tplaintext hex dump of record plaintext"); |
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System.err.println("\tpacket print raw SSL/TLS packets"); |
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System.err.println(); |
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System.exit(0); |
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} |
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/** |
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* Get a Debug object corresponding to whether or not the given |
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* option is set. Set the prefix to be the same as option. |
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*/ |
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public static Debug getInstance(String option) |
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{ |
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return getInstance(option, option); |
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} |
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/** |
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* Get a Debug object corresponding to whether or not the given |
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* option is set. Set the prefix to be prefix. |
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*/ |
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public static Debug getInstance(String option, String prefix) |
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{ |
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if (isOn(option)) { |
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Debug d = new Debug(); |
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d.prefix = prefix; |
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return d; |
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} else { |
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return null; |
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} |
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} |
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/** |
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* True if the property "javax.net.debug" contains the |
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* string "option". |
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*/ |
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public static boolean isOn(String option) |
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{ |
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if (args == null) { |
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return false; |
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} else { |
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int n = 0; |
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option = option.toLowerCase(Locale.ENGLISH); |
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if (args.indexOf("all") != -1) { |
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return true; |
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} else if ((n = args.indexOf("ssl")) != -1) { |
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if (args.indexOf("sslctx", n) == -1) { |
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// don't enable data and plaintext options by default |
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if (!(option.equals("data") |
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|| option.equals("packet") |
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|| option.equals("plaintext"))) { |
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return true; |
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} |
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} |
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} |
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return (args.indexOf(option) != -1); |
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} |
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} |
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/** |
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* print a message to stderr that is prefixed with the prefix |
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* created from the call to getInstance. |
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*/ |
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public void println(String message) |
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{ |
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System.err.println(prefix + ": "+message); |
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} |
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/** |
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* Print a message to stdout. |
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*/ |
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static void log(String message) { |
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System.out.println(Thread.currentThread().getName() + ": " + message); |
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} |
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/** |
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* print a blank line to stderr that is prefixed with the prefix. |
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*/ |
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public void println() |
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{ |
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System.err.println(prefix + ":"); |
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} |
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/** |
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* print a message to stderr that is prefixed with the prefix. |
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*/ |
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public static void println(String prefix, String message) |
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{ |
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System.err.println(prefix + ": "+message); |
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} |
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public static void println(PrintStream s, String name, byte[] data) { |
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s.print(name + ": { "); |
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if (data == null) { |
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s.print("null"); |
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} else { |
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for (int i = 0; i < data.length; i++) { |
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if (i != 0) s.print(", "); |
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s.print(data[i] & 0x0ff); |
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} |
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} |
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s.println(" }"); |
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} |
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/** |
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* Return the value of the boolean System property propName. |
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* |
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* Note use of privileged action. Do NOT make accessible to applications. |
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*/ |
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static boolean getBooleanProperty(String propName, boolean defaultValue) { |
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// if set, require value of either true or false |
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redestad
parents:
37593
diff
changeset
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String b = GetPropertyAction.privilegedGetProperty(propName); |
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if (b == null) { |
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return defaultValue; |
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} else if (b.equalsIgnoreCase("false")) { |
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return false; |
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} else if (b.equalsIgnoreCase("true")) { |
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return true; |
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} else { |
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throw new RuntimeException("Value of " + propName |
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+ " must either be 'true' or 'false'"); |
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} |
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} |
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static String toString(byte[] b) { |
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return sun.security.util.Debug.toString(b); |
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} |
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static void printHex(String prefix, byte[] bytes) { |
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HexDumpEncoder dump = new HexDumpEncoder(); |
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synchronized (System.out) { |
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System.out.println(prefix); |
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try { |
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dump.encodeBuffer(bytes, System.out); |
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} catch (Exception e) { |
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// ignore |
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} |
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System.out.flush(); |
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} |
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} |
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static void printHex(String prefix, ByteBuffer bb) { |
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HexDumpEncoder dump = new HexDumpEncoder(); |
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synchronized (System.out) { |
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System.out.println(prefix); |
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try { |
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dump.encodeBuffer(bb.slice(), System.out); |
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} catch (Exception e) { |
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// ignore |
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} |
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System.out.flush(); |
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} |
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} |
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static void printHex(String prefix, byte[] bytes, int offset, int length) { |
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HexDumpEncoder dump = new HexDumpEncoder(); |
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synchronized (System.out) { |
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System.out.println(prefix); |
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try { |
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ByteBuffer bb = ByteBuffer.wrap(bytes, offset, length); |
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dump.encodeBuffer(bb, System.out); |
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} catch (Exception e) { |
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// ignore |
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} |
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System.out.flush(); |
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} |
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} |
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} |