1 files changed, 85 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/util/CharToByteUniversalString.java b/pki/base/util/src/netscape/security/util/CharToByteUniversalString.java
new file mode 100644
index 000000000..0d566d539
--- /dev/null
+++ b/pki/base/util/src/netscape/security/util/CharToByteUniversalString.java
@@ -0,0 +1,85 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program 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; version 2 of the License.
+//
+// This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package netscape.security.util;
+
+import sun.io.CharToByteConverter;
+import sun.io.ConversionBufferFullException;
+import sun.io.UnknownCharacterException;
+
+/**
+ * Converts a string of ASN.1 IA5String characters to IA5String bytes.
+ *
+ * @author Lily Hsiao
+ * @author Slava Galperin
+ */
+
+public class CharToByteUniversalString extends CharToByteConverter
+{
+    /*
+     * Returns the character set id for the conversion.
+     * @return the character set id.
+     */
+    public String getCharacterEncoding () {
+	return "ASN.1 UniversalString";
+    }
+
+    /*
+     * Converts an array of Unicode characters into an array of UniversalString
+     * bytes and returns the total number of characters converted.
+     * If conversion cannot be done, UnknownCharacterException is
+     * thrown. The character and byte offset will be set to the point
+     * of the unknown character.
+     * @param input character array to convert.
+     * @param inStart offset from which to start the conversion.
+     * @param inEnd where to end the conversion.
+     * @param output byte array to store converted bytes.
+     * @param outStart starting offset in the output byte array.
+     * @param outEnd ending offset in the output byte array.
+     * @return the number of characters converted.
+     */
+    public int convert(char[] input, int inStart, int inEnd,
+		       byte[] output, int outStart, int outEnd)
+	throws ConversionBufferFullException,
+		UnknownCharacterException
+    {
+	int j = outStart;
+	for (int i = inStart; i < inEnd; i++) {
+	    if (j+3 >= outEnd) {
+		charOff = i;
+		byteOff = j;
+		throw new ConversionBufferFullException();
+	    }
+        output[j++] = 0;
+        output[j++] = 0;
+	    output[j++] = (byte) ((input[i] >> 8) & 0xff);
+	    output[j++] = (byte) (input[i] & 0xff);
+	}
+
+	return j - outStart;
+    }
+
+    public int flush(byte[] output, int outStart, int outEnd) {
+	return 0;
+    }
+
+    public void reset() { }
+
+    public int getMaxBytesPerChar() {
+	return 4;
+    }
+}