summaryrefslogtreecommitdiffstats
path: root/pki/base/util/src/netscape/security/x509/IA5StringConverter.java
diff options
context:
space:
mode:
Diffstat (limited to 'pki/base/util/src/netscape/security/x509/IA5StringConverter.java')
-rw-r--r--pki/base/util/src/netscape/security/x509/IA5StringConverter.java131
1 files changed, 131 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/x509/IA5StringConverter.java b/pki/base/util/src/netscape/security/x509/IA5StringConverter.java
new file mode 100644
index 000000000..80572a686
--- /dev/null
+++ b/pki/base/util/src/netscape/security/x509/IA5StringConverter.java
@@ -0,0 +1,131 @@
+// --- 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 IA5String attribute to a DerValue
+ * and vice versa. An example an attribute that is a IA5String string is "E".
+ * @see AVAValueConverter
+ *
+ * @author Lily Hsiao, Slava Galperin at Netscape Communications, Inc.
+ */
+
+public class IA5StringConverter implements AVAValueConverter
+{
+ // public constructors
+
+ /*
+ * Contructs a IA5String Converter.
+ */
+ public IA5StringConverter()
+ {
+ }
+
+ /*
+ * Converts a string with ASN.1 IA5String characters to a DerValue.
+ *
+ * @param valueString a string with IA5String characters.
+ *
+ * @return a DerValue.
+ *
+ * @exception IOException if a IA5String 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
+ {
+ ASN1CharStrConvMap map;
+ CharToByteConverter cbc;
+ byte[] bbuf = new byte[valueString.length()];
+ map = ASN1CharStrConvMap.getDefault();
+ try {
+ cbc = map.getCBC(DerValue.tag_IA5String);
+ if (cbc == null)
+ throw new IOException("No CharToByteConverter for IA5String");
+ cbc.convert(valueString.toCharArray(), 0, valueString.length(),
+ bbuf, 0, bbuf.length);
+ }
+ catch (java.io.CharConversionException e) {
+ throw new IllegalArgumentException(
+ "Invalid IA5String AVA Value string");
+ } catch (InstantiationException e) {
+ throw new IOException("Cannot instantiate CharToByteConverter");
+ } catch (IllegalAccessException e) {
+ throw new IOException("Illegal access loading CharToByteConverter");
+ }
+ return new DerValue(DerValue.tag_IA5String, bbuf);
+ }
+
+ /*
+ * Converts a BER encoded value of IA5String to a DER encoded value.
+ * Checks if the BER encoded value is a IA5String.
+ * NOTE only DER encoding is currently supported on for the BER
+ * encoded value.
+ *
+ * @param berStream a byte array of the BER encoded value.
+ *
+ * @return a DerValue.
+ *
+ * @exception IOException if the BER value cannot be converted
+ * to a IA5String DER value.
+ */
+ public DerValue getValue(byte[] berStream)
+ throws IOException
+ {
+ DerValue value = new DerValue(berStream);
+ if (value.tag == DerValue.tag_IA5String)
+ return value;
+ if (value.tag == DerValue.tag_PrintableString)
+ return value;
+ throw new IOException("Invalid IA5String AVA Value.");
+ }
+
+ /*
+ * Converts a DerValue of IA5String to a java string with IA5String
+ * characters.
+ *
+ * @param avaValue a DerValue.
+ *
+ * @return a string with IA5String characters.
+ *
+ * @exception IOException if the DerValue is not a IA5String i.e.
+ * The DerValue cannot be converted to a string
+ * with IA5String characters.
+ */
+ public String getAsString(DerValue avaValue)
+ throws IOException
+ {
+ if (avaValue.tag == DerValue.tag_IA5String)
+ return avaValue.getIA5String();
+ if (avaValue.tag == DerValue.tag_PrintableString)
+ return avaValue.getPrintableString();
+ throw new IOException("Invalid IA5String AVA Value.");
+ }
+
+}