1 files changed, 122 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/util/CharToBytePrintable.java b/pki/base/util/src/netscape/security/util/CharToBytePrintable.java
new file mode 100644
index 000000000..09b3afefe
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+++ b/pki/base/util/src/netscape/security/util/CharToBytePrintable.java
@@ -0,0 +1,122 @@
+// --- 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;
+import sun.io.MalformedInputException;
+
+/**
+ * Converts a string of ASN.1 PrintableString characters to PrintableString 
+ * bytes.
+ *
+ * @author Lily Hsiao
+ * @author Slava Galperin
+ */
+
+public class CharToBytePrintable extends CharToByteConverter
+{
+    /*
+     * returns the character set id for the conversion.
+     * @return the character set id.
+     */
+    public String getCharacterEncoding()
+    {
+	return "ASN.1 Printable";
+    }
+
+    public static boolean isPrintableChar( char c ) 
+    {
+	if ((c < 'A' || c > 'Z') &&
+	    (c < 'a' || c > 'z') && 
+	    (c < '0' || c > '9') && 
+	    (c != ' ') && 
+	    (c != '\'') && 
+	    (c != '(') && 
+	    (c != ')') && 
+	    (c != '+') && 
+	    (c != ',') && 
+	    (c != '-') && 
+	    (c != '.') && 
+	    (c != '/') && 
+	    (c != ':') && 
+	    (c != '=') && 
+	    (c != '?')) 
+	{
+	    return false;
+	} else {
+	    return true;
+	}
+    }
+
+    /* 
+     * Converts an array of Unicode characters into an array of Printable
+     * String 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 MalformedInputException, UnknownCharacterException,
+		ConversionBufferFullException
+    {
+ 	int j = outStart;
+	int i;
+	for (i = inStart; i < inEnd ; i++, j++) 
+	{
+	    if (j >= outEnd) {
+		charOff = i;
+		byteOff = j;
+		throw new ConversionBufferFullException();
+	    }
+	    if (!subMode && !isPrintableChar(input[i])) {
+		charOff = i;
+		byteOff = j;
+		badInputLength = 1;
+		throw new UnknownCharacterException();
+	    }
+	    output[j] = (byte) (input[i] & 0x7f);
+	}
+	charOff = i;
+	byteOff = j;
+	return j - outStart;
+    }
+
+    public int flush(byte[] output, int outStart, int outEnd)
+	throws MalformedInputException, ConversionBufferFullException
+    {
+	return 0;
+    }
+
+    public void reset() { }
+
+    public int getMaxBytesPerChar()
+    {
+	return 1;
+    }
+
+}