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author | CGantert345 <57003061+CGantert345@users.noreply.github.com> | 2020-04-30 14:39:47 +0200 |
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committer | CGantert345 <57003061+CGantert345@users.noreply.github.com> | 2020-04-30 14:39:47 +0200 |
commit | a7515e3c057ef00ade3ae093b179c2787f07803b (patch) | |
tree | ec36c0520415879268db1ca0d57f132eca1d7876 /src/net/gcdc/asn1/uper/StringCoder.java | |
parent | Create README.md (diff) | |
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Diffstat (limited to 'src/net/gcdc/asn1/uper/StringCoder.java')
-rw-r--r-- | src/net/gcdc/asn1/uper/StringCoder.java | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/src/net/gcdc/asn1/uper/StringCoder.java b/src/net/gcdc/asn1/uper/StringCoder.java index d42238b..33a9df6 100644 --- a/src/net/gcdc/asn1/uper/StringCoder.java +++ b/src/net/gcdc/asn1/uper/StringCoder.java @@ -53,7 +53,37 @@ class StringCoder implements Decoder, Encoder { .length())) { throw new IllegalArgumentException( "Bad string length, expected " + sizeRange.minValue() + ".." + sizeRange.maxValue() + ", got " + string.length()); } - if (restrictionAnnotation.value() == CharacterRestriction.UTF8String) { + + if (restrictionAnnotation.value() == CharacterRestriction.ObjectIdentifier) { + + byte[] oidb = ObjectIdentifierCoder.encodeObjectId(string); + + BitBuffer stringbuffer = ByteBitBuffer.createInfinite(); + + for (byte b: oidb){ + UperEncoder.encodeConstrainedInt(stringbuffer, b & 0xff, 0, 255); + } + //-for (char c : string.toCharArray()) { + //- encodeChar(stringbuffer, c, restrictionAnnotation); + //-} + //char array replaced - end + + stringbuffer.flip(); + if (stringbuffer.limit() % 8 != 0) { + throw new AssertionError("encoding resulted not in multiple of 8 bits"); + } + int numOctets = (stringbuffer.limit() + 7) / 8; // Actually +7 is not needed here, + // since we already checked with %8. + int position1 = bitbuffer.position(); + UperEncoder.encodeLengthDeterminant(bitbuffer, numOctets); + UperEncoder.logger.debug(String.format("ObjectIdentifier %s, length %d octets, encoded as %s", string, numOctets, bitbuffer.toBooleanStringFromPosition(position1))); + int position2 = bitbuffer.position(); + for (int i = 0; i < stringbuffer.limit(); i++) { + bitbuffer.put(stringbuffer.get()); + } + UperEncoder.logger.debug(String.format("UTF8String %s, encoded length %d octets, value bits: %s", string, numOctets, bitbuffer.toBooleanStringFromPosition(position2))); + return; + } else if (restrictionAnnotation.value() == CharacterRestriction.UTF8String) { // UTF8 length BitBuffer stringbuffer = ByteBitBuffer.createInfinite(); @@ -129,7 +159,20 @@ class StringCoder implements Decoder, Encoder { throw new UnsupportedOperationException( "Unrestricted character strings are not supported yet. All annotations: " + Arrays.asList(classOfT.getAnnotations())); } - if (restrictionAnnotation.value() == CharacterRestriction.UTF8String) { + if (restrictionAnnotation.value() == CharacterRestriction.ObjectIdentifier) { + //decode object identifier + Long numOctets = UperEncoder.decodeLengthDeterminant(bitbuffer); + List<Boolean> content = new ArrayList<Boolean>(); + for (int i = 0; i < numOctets * 8; i++) { + content.add(bitbuffer.get()); + } + byte[] contentBytes = UperEncoder.bytesFromCollection(content); + UperEncoder.logger.debug(String.format("Content bytes (hex): %s", UperEncoder.hexStringFromBytes(contentBytes))); + String resultStr = ObjectIdentifierCoder.decodeObjectId(contentBytes); + UperEncoder.logger.debug(String.format("Object Identifier: %s", resultStr)); + T result = UperEncoder.instantiate(classOfT, resultStr); + return result; + } else if (restrictionAnnotation.value() == CharacterRestriction.UTF8String) { Long numOctets = UperEncoder.decodeLengthDeterminant(bitbuffer); List<Boolean> content = new ArrayList<Boolean>(); for (int i = 0; i < numOctets * 8; i++) { |