summaryrefslogtreecommitdiffstats
path: root/libjava/gnu/java/security/x509/Util.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/gnu/java/security/x509/Util.java')
-rw-r--r--libjava/gnu/java/security/x509/Util.java202
1 files changed, 0 insertions, 202 deletions
diff --git a/libjava/gnu/java/security/x509/Util.java b/libjava/gnu/java/security/x509/Util.java
deleted file mode 100644
index d27392026f8..00000000000
--- a/libjava/gnu/java/security/x509/Util.java
+++ /dev/null
@@ -1,202 +0,0 @@
-/* Util.java -- Miscellaneous utility methods.
- Copyright (C) 2004 Free Software Foundation, Inc.
-
-This file is 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, 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; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, 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.java.security.x509;
-
-/**
- * A collection of useful class methods.
- *
- * @author Casey Marshall (rsdio@metastatic.org)
- */
-public final class Util
-{
-
- // Constants.
- // -------------------------------------------------------------------------
-
- public static final String HEX = "0123456789abcdef";
-
- // Class methods.
- // -------------------------------------------------------------------------
-
- /**
- * Convert a byte array to a hexadecimal string, as though it were a
- * big-endian arbitrarily-sized integer.
- *
- * @param buf The bytes to format.
- * @param off The offset to start at.
- * @param len The number of bytes to format.
- * @return A hexadecimal representation of the specified bytes.
- */
- public static String toHexString(byte[] buf, int off, int len)
- {
- StringBuffer str = new StringBuffer();
- for (int i = 0; i < len; i++)
- {
- str.append(HEX.charAt(buf[i+off] >>> 4 & 0x0F));
- str.append(HEX.charAt(buf[i+off] & 0x0F));
- }
- return str.toString();
- }
-
- /**
- * See {@link #toHexString(byte[],int,int)}.
- */
- public static String toHexString(byte[] buf)
- {
- return Util.toHexString(buf, 0, buf.length);
- }
-
- /**
- * Convert a byte array to a hexadecimal string, separating octets
- * with the given character.
- *
- * @param buf The bytes to format.
- * @param off The offset to start at.
- * @param len The number of bytes to format.
- * @param sep The character to insert between octets.
- * @return A hexadecimal representation of the specified bytes.
- */
- public static String toHexString(byte[] buf, int off, int len, char sep)
- {
- StringBuffer str = new StringBuffer();
- for (int i = 0; i < len; i++)
- {
- str.append(HEX.charAt(buf[i+off] >>> 4 & 0x0F));
- str.append(HEX.charAt(buf[i+off] & 0x0F));
- if (i < len - 1)
- str.append(sep);
- }
- return str.toString();
- }
-
- /**
- * See {@link #toHexString(byte[],int,int,char)}.
- */
- public static String toHexString(byte[] buf, char sep)
- {
- return Util.toHexString(buf, 0, buf.length, sep);
- }
-
- /**
- * Create a representation of the given byte array similar to the
- * output of `hexdump -C', which is
- *
- * <p><pre>OFFSET SIXTEEN-BYTES-IN-HEX PRINTABLE-BYTES</pre>
- *
- * <p>The printable bytes show up as-is if they are printable and
- * not a newline character, otherwise showing as '.'.
- *
- * @param buf The bytes to format.
- * @param off The offset to start at.
- * @param len The number of bytes to encode.
- * @return The formatted string.
- */
- public static String hexDump(byte[] buf, int off, int len, String prefix)
- {
- String nl = System.getProperty("line.separator");
- StringBuffer str = new StringBuffer();
- int i = 0;
- while (i < len)
- {
- str.append(prefix);
- str.append(Util.formatInt(i+off, 16, 8));
- str.append(" ");
- String s = Util.toHexString(buf, i+off, Math.min(16, len-i), ' ');
- str.append(s);
- for (int j = 56 - (56 - s.length()); j < 56; j++)
- str.append(" ");
- for (int j = 0; j < Math.min(16, len - i); j++)
- {
- if ((buf[i+off+j] & 0xFF) < 0x20 || (buf[i+off+j] & 0xFF) > 0x7E)
- str.append('.');
- else
- str.append((char) (buf[i+off+j] & 0xFF));
- }
- str.append(nl);
- i += 16;
- }
- return str.toString();
- }
-
- /**
- * See {@link #hexDump(byte[],int,int)}.
- */
- public static String hexDump(byte[] buf, String prefix)
- {
- return hexDump(buf, 0, buf.length, prefix);
- }
-
- /**
- * Format an integer into the specified radix, zero-filled.
- *
- * @param i The integer to format.
- * @param radix The radix to encode to.
- * @param len The target length of the string. The string is
- * zero-padded to this length, but may be longer.
- * @return The formatted integer.
- */
- public static String formatInt(int i, int radix, int len)
- {
- String s = Integer.toString(i, radix);
- StringBuffer buf = new StringBuffer();
- for (int j = 0; j < len - s.length(); j++)
- buf.append("0");
- buf.append(s);
- return buf.toString();
- }
-
- /**
- * Convert a hexadecimal string into its byte representation.
- *
- * @param hex The hexadecimal string.
- * @return The converted bytes.
- */
- public static byte[] toByteArray(String hex)
- {
- hex = hex.toLowerCase();
- byte[] buf = new byte[hex.length() / 2];
- int j = 0;
- for (int i = 0; i < buf.length; i++)
- {
- buf[i] = (byte) ((Character.digit(hex.charAt(j++), 16) << 4) |
- Character.digit(hex.charAt(j++), 16));
- }
- return buf;
- }
-}
OpenPOWER on IntegriCloud