diff options
Diffstat (limited to 'pki/base/util/src/netscape/security/x509/GenericValueConverter.java')
| -rw-r--r-- | pki/base/util/src/netscape/security/x509/GenericValueConverter.java | 196 |
1 files changed, 88 insertions, 108 deletions
diff --git a/pki/base/util/src/netscape/security/x509/GenericValueConverter.java b/pki/base/util/src/netscape/security/x509/GenericValueConverter.java index 5c906d09f..11a65058b 100644 --- a/pki/base/util/src/netscape/security/x509/GenericValueConverter.java +++ b/pki/base/util/src/netscape/security/x509/GenericValueConverter.java @@ -24,145 +24,125 @@ import netscape.security.util.DerValue; import sun.io.CharToByteConverter; /** - * A GenericValueConverter converts a string that is not associated with - * a particular attribute to a DER encoded ASN.1 character string type. - * Currently supports PrintableString, IA5String, BMPString T.61String and - * Universal String. + * A GenericValueConverter converts a string that is not associated with a + * particular attribute to a DER encoded ASN.1 character string type. Currently + * supports PrintableString, IA5String, BMPString T.61String and Universal + * String. + * + * <p> + * The conversion is done as follows. A CharToByteConverter is obtained for the + * all the character sets from the global default ASN1CharStrConvMap. The + * CharToByteConverters are then used to convert the string to the smallest + * character set first -- printableString. If the string contains characters + * outside of that character set, it is converted to the next character set -- + * IA5String character set. If that is not enough it is converted to a + * BMPString, then Universal String which contains all characters. * - * <p>The conversion is done as follows. - * A CharToByteConverter is obtained for the all the character sets - * from the global default ASN1CharStrConvMap. - * The CharToByteConverters are then used to convert the string to the - * smallest character set first -- printableString. - * If the string contains characters outside of that character set, - * it is converted to the next character set -- IA5String character set. - * If that is not enough it is converted to a BMPString, then - * Universal String which contains all characters. - * * @author Lily Hsiao, Slava Galperin at Netscape Communications, Inc. * */ -public class GenericValueConverter implements AVAValueConverter -{ - public GenericValueConverter() - { +public class GenericValueConverter implements AVAValueConverter { + public GenericValueConverter() { } /** - * Converts a string to a DER encoded ASN.1 primtable string, defined here - * as a PrintableString, IA5String, T.61String, BMPString or + * Converts a string to a DER encoded ASN.1 primtable string, defined here + * as a PrintableString, IA5String, T.61String, BMPString or * UniversalString. The string is not expected to be encoded in any form. * - * <p>If a CharToByteConverter is not available for a character set that - * is needed to convert the string, the string cannot be converted and - * an IOException is thrown. For example, if the string contains characters - * outside the PrintableString character and only a PrintableString + * <p> + * If a CharToByteConverter is not available for a character set that is + * needed to convert the string, the string cannot be converted and an + * IOException is thrown. For example, if the string contains characters + * outside the PrintableString character and only a PrintableString * CharToByteConverter is available then an IOException is thrown. * - * @param s A string representing a generic attribute string value. - * - * @return The DER value of the attribute. + * @param s A string representing a generic attribute string value. + * + * @return The DER value of the attribute. * - * @exception IOException if the string cannot be converted, such as - * when a CharToByteConverter needed is - * unavailable. + * @exception IOException if the string cannot be converted, such as when a + * CharToByteConverter needed is unavailable. */ - public DerValue getValue(String s) - throws IOException - { - return getValue(s, null); + public DerValue getValue(String s) throws IOException { + return getValue(s, null); } - public DerValue getValue(String s, byte[] tags) - throws IOException - { - // try to convert to printable, then t61 the universal - - // i.e. from minimal coverage to the broadest. - int ret = -1; - CharToByteConverter cbc; - DerValue value; - byte[] bbuf, derBuf; - int i; + public DerValue getValue(String s, byte[] tags) throws IOException { + // try to convert to printable, then t61 the universal - + // i.e. from minimal coverage to the broadest. + int ret = -1; + CharToByteConverter cbc; + DerValue value; + byte[] bbuf, derBuf; + int i; - if (tags == null || tags.length == 0) - tags = DefEncodingTags; + if (tags == null || tags.length == 0) + tags = DefEncodingTags; - bbuf = new byte[4*s.length()]; - for (i = 0; i < tags.length; i++) - { - try { - cbc = ASN1CharStrConvMap.getDefault().getCBC(tags[i]); - if (cbc == null) - continue; - ret = cbc.convert(s.toCharArray(), 0, s.length(), - bbuf, 0, bbuf.length); - break; - } - catch (java.io.CharConversionException e) { - continue; - } - catch (InstantiationException e) { - throw new IOException("Cannot instantiate CharToByteConverter"); - } - catch (IllegalAccessException e) { - throw new IOException( - "Illegal Access loading CharToByteConverter"); - } - } - if (ret == -1) { - throw new IllegalArgumentException( - "Cannot convert the string value to a ASN.1 type"); - } + bbuf = new byte[4 * s.length()]; + for (i = 0; i < tags.length; i++) { + try { + cbc = ASN1CharStrConvMap.getDefault().getCBC(tags[i]); + if (cbc == null) + continue; + ret = cbc.convert(s.toCharArray(), 0, s.length(), bbuf, 0, + bbuf.length); + break; + } catch (java.io.CharConversionException e) { + continue; + } catch (InstantiationException e) { + throw new IOException("Cannot instantiate CharToByteConverter"); + } catch (IllegalAccessException e) { + throw new IOException( + "Illegal Access loading CharToByteConverter"); + } + } + if (ret == -1) { + throw new IllegalArgumentException( + "Cannot convert the string value to a ASN.1 type"); + } - derBuf = new byte[ret]; - System.arraycopy(bbuf, 0, derBuf, 0, ret); - return new DerValue(tags[i], derBuf); + derBuf = new byte[ret]; + System.arraycopy(bbuf, 0, derBuf, 0, ret); + return new DerValue(tags[i], derBuf); } - /** + /** * Creates a DerValue from the byte array of BER encoded value. * * NOTE: currently only supports DER encoding (a form of BER) on input . - * - * @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 - { - // accepts any tag. - DerValue value = new DerValue(berByteStream); - return value; + public DerValue getValue(byte[] berByteStream) throws IOException { + // accepts any tag. + DerValue value = new DerValue(berByteStream); + return value; } /** - * Converts a DerValue of ASN1 Character string type to a java string - * (the string is not encoded in any form). + * Converts a DerValue of ASN1 Character string type to a java string (the + * string is not encoded in any form). * - * @param avaValue A DerValue - * @return A string representing the attribute value. - * @exception IOException if a ByteToCharConverter needed for the - * conversion is not available or if BER value - * is not one of the ASN1 character string types - * here. + * @param avaValue A DerValue + * @return A string representing the attribute value. + * @exception IOException if a ByteToCharConverter needed for the conversion + * is not available or if BER value is not one of the ASN1 + * character string types here. */ - public String getAsString(DerValue avaValue) - throws IOException - { - return avaValue.getASN1CharString(); + public String getAsString(DerValue avaValue) throws IOException { + return avaValue.getASN1CharString(); } - private static byte DefEncodingTags[] = { - DerValue.tag_PrintableString, - DerValue.tag_IA5String, - DerValue.tag_BMPString, - DerValue.tag_UTF8String, - DerValue.tag_T61String, - DerValue.tag_UniversalString - }; + private static byte DefEncodingTags[] = { DerValue.tag_PrintableString, + DerValue.tag_IA5String, DerValue.tag_BMPString, + DerValue.tag_UTF8String, DerValue.tag_T61String, + DerValue.tag_UniversalString }; } |