1 files changed, 125 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/x509/PrintableConverter.java b/pki/base/util/src/netscape/security/x509/PrintableConverter.java
new file mode 100644
index 000000000..38457efd5
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+++ b/pki/base/util/src/netscape/security/x509/PrintableConverter.java
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+// --- 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.x509;
+
+import java.io.*;
+import sun.io.CharToByteConverter;
+
+import netscape.security.util.*;
+
+/**
+ * A AVAValueConverter that converts a Printable String attribute to a DerValue 
+ * and vice versa. An example an attribute that is a printable string is "C".
+ *
+ * @see ASN1CharStrConvMap
+ * @see AVAValueConverter
+ *
+ * @author Lily Hsiao, Slava Galperin at Netscape Communications, Inc.
+ */
+
+public class PrintableConverter implements AVAValueConverter
+{
+    // public constructors.
+
+    public PrintableConverter()
+    {
+    }
+
+    /**
+     * Converts a string with ASN.1 Printable characters to a DerValue.
+     * 
+     * @param valueString 	a string with Printable characters.
+     * 
+     * @return			a DerValue. 
+     * 
+     * @exception IOException	if a Printable CharToByteConverter is not 
+     *				available for the conversion.
+     */
+    public DerValue getValue(String valueString)
+	throws IOException
+    {
+	return getValue(valueString, null);
+    }
+
+    public DerValue getValue(String valueString, byte[] encodingOrder)
+	throws IOException
+    {
+	CharToByteConverter printable;
+	byte[] bbuf = new byte[valueString.length()];
+	try {
+	    printable = ASN1CharStrConvMap.getDefault().getCBC(
+				DerValue.tag_PrintableString);
+	    if (printable == null) {
+		throw new IOException("No CharToByteConverter for printable");
+	    }
+	    printable.convert(valueString.toCharArray(), 0, 
+			      valueString.length(), bbuf, 0, bbuf.length);
+	}
+	catch (java.io.CharConversionException e) {
+	    throw new IllegalArgumentException(
+			"Invalid Printable String AVA Value");
+	}
+	catch (InstantiationException e) {
+	    throw new IOException("Cannot instantiate CharToByteConverter");
+	}
+	catch (IllegalAccessException e) {
+	    throw new IOException("Cannot load CharToByteConverter");
+	}
+	return new DerValue(DerValue.tag_PrintableString, bbuf);
+    }
+
+    /**
+     * Converts a BER encoded value of PrintableString to a DER encoded value.
+     * Checks if the BER encoded value is a PrintableString.
+     * NOTE only DER encoded values are currently accepted on input.
+     * 
+     * @param berStream 	A byte array of the BER encoded value.
+     * 
+     * @return 			A DerValue. 
+     * 
+     * @exception IOException   if the BER value cannot be converted to a 
+     *				PrintableString DER value.
+     */
+    public DerValue getValue(byte[] berStream)
+	throws IOException
+    {
+	DerValue value = new DerValue(berStream);
+	if (value.tag != DerValue.tag_PrintableString)
+	    throw new IOException("Invalid Printable String AVA Value");
+	return value;
+    }
+
+    /**
+     * Converts a DerValue of PrintableString to a java string with 
+     * PrintableString characters. 
+     * 
+     * @param avaValue 	a DerValue.
+     *
+     * @return 		a string with PrintableString characters.
+     *
+     * @exception IOException 	if the DerValue is not a PrintableString i.e.
+     *				The DerValue cannot be converted to a string
+     *				with PrintableString characters.
+     */
+    public String getAsString(DerValue avaValue)
+	throws IOException
+    {
+	return avaValue.getPrintableString();
+    }
+
+}