diff options
Diffstat (limited to 'pki/base/util/src/netscape/security/x509/DirStrConverter.java')
| -rw-r--r-- | pki/base/util/src/netscape/security/x509/DirStrConverter.java | 153 |
1 files changed, 71 insertions, 82 deletions
diff --git a/pki/base/util/src/netscape/security/x509/DirStrConverter.java b/pki/base/util/src/netscape/security/x509/DirStrConverter.java index f6ade91aa..7c52707f8 100644 --- a/pki/base/util/src/netscape/security/x509/DirStrConverter.java +++ b/pki/base/util/src/netscape/security/x509/DirStrConverter.java @@ -30,33 +30,24 @@ import netscape.security.util.DerValue; * A DirStrConverter converts a string to a DerValue of ASN.1 Directory String, * which is a CHOICE of Printable (subset of ASCII), T.61 (Teletex) or * Universal String (UCS-4), and vice versa. - * - * <p>The string to DerValue conversion is done as follows. - * If the string has only PrintableString characters it is converted - * to a ASN.1 Printable String using the PrintableString - * encoder from the global default ASN1CharStrConvMap. - * If it has only characters covered in the PrintableString or T.61 - * character set it is converted to a ASN.1 T.61 string using the T.61 - * encoder from the ASN1CharStrCovnMap. - * Otherwise it is converted to a ASN.1 UniversalString (UCS-4 character set) - * which covers all characters. - * + * + * <p> + * The string to DerValue conversion is done as follows. If the string has only PrintableString characters it is converted to a ASN.1 Printable String using the PrintableString encoder from the global default ASN1CharStrConvMap. If it has only characters covered in the PrintableString or T.61 character set it is converted to a ASN.1 T.61 string using the T.61 encoder from the ASN1CharStrCovnMap. Otherwise it is converted to a ASN.1 UniversalString (UCS-4 character set) which covers all + * characters. + * * @see AVAValueConverter * @see ASN1CharStrConvMap - * + * * @author Lily Hsiao, Slava Galperin at Netscape Communications, Inc. */ - -public class DirStrConverter implements AVAValueConverter -{ +public class DirStrConverter implements AVAValueConverter { // public constructors /** * Constructs a DirStrConverter. */ - public DirStrConverter() - { + public DirStrConverter() { } // public functions @@ -65,34 +56,32 @@ public class DirStrConverter implements AVAValueConverter * Converts a string to a DER encoded ASN1 Directory String, which is a * CHOICE of PrintableString, T.61String or UniversalString. * The string is taken as is i.e. should not be in Ldap DN string syntax. - * - * @param ds a string representing a directory string value. - * - * @return a DerValue - * - * @exception IOException if the string cannot be converted, such as - * when a UniversalString encoder - * isn't available and the string contains - * characters covered only in the universal - * string (or UCS-4) character set. + * + * @param ds a string representing a directory string value. + * + * @return a DerValue + * + * @exception IOException if the string cannot be converted, such as + * when a UniversalString encoder + * isn't available and the string contains + * characters covered only in the universal + * string (or UCS-4) character set. */ - private static byte[] DefEncodingOrder = - new byte[] { - DerValue.tag_PrintableString, - DerValue.tag_T61String, - DerValue.tag_UniversalString - }; - - public static synchronized void - setDefEncodingOrder(byte[] defEncodingOrder) - { - DefEncodingOrder = defEncodingOrder; + private static byte[] DefEncodingOrder = + new byte[] { + DerValue.tag_PrintableString, + DerValue.tag_T61String, + DerValue.tag_UniversalString + }; + + public static synchronized void + setDefEncodingOrder(byte[] defEncodingOrder) { + DefEncodingOrder = defEncodingOrder; } - public DerValue getValue(String ds) - throws IOException - { - return getValue(ds, DefEncodingOrder); + public DerValue getValue(String ds) + throws IOException { + return getValue(ds, DefEncodingOrder); } /** @@ -102,12 +91,14 @@ public class DirStrConverter implements AVAValueConverter // try to convert to printable, then t61 the universal - // i.e. from minimal to the most liberal. - if (tags == null || tags.length == 0) tags = DefEncodingOrder; + if (tags == null || tags.length == 0) + tags = DefEncodingOrder; for (int i = 0; i < tags.length; i++) { try { CharsetEncoder encoder = ASN1CharStrConvMap.getDefault().getEncoder(tags[i]); - if (encoder == null) continue; + if (encoder == null) + continue; CharBuffer charBuffer = CharBuffer.wrap(valueString.toCharArray()); ByteBuffer byteBuffer = encoder.encode(charBuffer); @@ -120,60 +111,58 @@ public class DirStrConverter implements AVAValueConverter } throw new IOException( - "Cannot convert the directory string value to a ASN.1 type"); + "Cannot convert the directory string value to a ASN.1 type"); } /** * Creates a DerValue from a BER encoded value, obtained from for example * a attribute value in octothorpe form of a Ldap DN string. * Checks if the BER encoded value is legal for a DirectoryString. - * + * * NOTE: currently only supports DER encoding for the BER encoded value. - * - * @param berStream Byte array of a BER encoded value. - * - * @return DerValue object. - * - * @exception IOException If the BER value cannot be converted to a - * valid Directory String DER value. + * + * @param berStream Byte array of a BER encoded value. + * + * @return DerValue object. + * + * @exception IOException If the BER value cannot be converted to a + * valid Directory String DER value. */ public DerValue getValue(byte[] berByteStream) - throws IOException - { - DerValue value = new DerValue(berByteStream); - - /* - if (value.tag != DerValue.tag_PrintableString && - value.tag != DerValue.tag_T61String && - value.tag != DerValue.tag_UniversalString) - throw new IOException("Invalid Directory String AVA Value"); - */ - - return value; + throws IOException { + DerValue value = new DerValue(berByteStream); + + /* + if (value.tag != DerValue.tag_PrintableString && + value.tag != DerValue.tag_T61String && + value.tag != DerValue.tag_UniversalString) + throw new IOException("Invalid Directory String AVA Value"); + */ + + return value; } /** * Converts a DerValue to a string. * The string is not in any syntax, such as RFC1779 string syntax. - * - * @param avaValue a DerValue - * @return a string if the value can be converted. - * @exception IOException if a decoder needed for the - * conversion is not available. + * + * @param avaValue a DerValue + * @return a string if the value can be converted. + * @exception IOException if a decoder needed for the + * conversion is not available. */ public String getAsString(DerValue avaValue) - throws IOException - { - /* - if (avaValue.tag != DerValue.tag_PrintableString && - avaValue.tag != DerValue.tag_BMPString && - avaValue.tag != DerValue.tag_UniversalString && - avaValue.tag != DerValue.tag_T61String) - throw new IllegalArgumentException( - "Invalid Directory String value"); - // NOTE will return null if a decoder is not available. - */ - return avaValue.getASN1CharString(); + throws IOException { + /* + if (avaValue.tag != DerValue.tag_PrintableString && + avaValue.tag != DerValue.tag_BMPString && + avaValue.tag != DerValue.tag_UniversalString && + avaValue.tag != DerValue.tag_T61String) + throw new IllegalArgumentException( + "Invalid Directory String value"); + // NOTE will return null if a decoder is not available. + */ + return avaValue.getASN1CharString(); } } |