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author | CGantert345 <57003061+CGantert345@users.noreply.github.com> | 2021-02-25 11:02:26 +0100 |
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committer | CGantert345 <57003061+CGantert345@users.noreply.github.com> | 2021-02-25 11:02:26 +0100 |
commit | 425bd35c736b7e1c0dbe5b3f9162e195b3be6018 (patch) | |
tree | bc4668aa125fb0a15518d464a1738c6b05e56d07 /src/net/gcdc/asn1/uper/BitStringCoder.java | |
parent | issuerOnLine changed from int to Integer as it is optional (diff) | |
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Diffstat (limited to 'src/net/gcdc/asn1/uper/BitStringCoder.java')
-rw-r--r-- | src/net/gcdc/asn1/uper/BitStringCoder.java | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/net/gcdc/asn1/uper/BitStringCoder.java b/src/net/gcdc/asn1/uper/BitStringCoder.java deleted file mode 100644 index e60c68e..0000000 --- a/src/net/gcdc/asn1/uper/BitStringCoder.java +++ /dev/null @@ -1,165 +0,0 @@ -package net.gcdc.asn1.uper; - -import java.lang.annotation.Annotation; -import java.lang.reflect.Field; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -import net.gcdc.asn1.datatypes.Asn1VarSizeBitstring; -import net.gcdc.asn1.datatypes.Bitstring; -import net.gcdc.asn1.datatypes.FixedSize; -import net.gcdc.asn1.datatypes.SizeRange; -import net.gcdc.asn1.uper.UperEncoder.Asn1ContainerFieldSorter; - -class BitStringCoder implements Decoder, Encoder { - - @Override public <T> boolean canEncode(T obj, Annotation[] extraAnnotations) { - Class<?> type = obj.getClass(); - AnnotationStore annotations = new AnnotationStore(type.getAnnotations(), - extraAnnotations); - return annotations.getAnnotation(Bitstring.class) != null; - } - - @Override public <T> void encode(BitBuffer bitbuffer, T obj, Annotation[] extraAnnotations) throws Asn1EncodingException { - Class<?> type = obj.getClass(); - AnnotationStore annotations = new AnnotationStore(type.getAnnotations(), - extraAnnotations); - if (!(obj instanceof Asn1VarSizeBitstring)) { - if (UperEncoder.hasExtensionMarker(annotations)) { - throw new UnsupportedOperationException( - "Bitstring with extensions is not implemented yet"); - } - FixedSize size = type.getAnnotation(FixedSize.class); - int position = bitbuffer.position(); - if (size != null) { - Asn1ContainerFieldSorter sorter = new Asn1ContainerFieldSorter(type); - if (sorter.ordinaryFields.size() != size.value()) { throw new AssertionError( - "Declared size (" + size.value() + - ") and number of fields (" + sorter.ordinaryFields.size() + - ") do not match!"); } - for (Field f : sorter.ordinaryFields) { - try { - bitbuffer.put(f.getBoolean(obj)); - } catch (IllegalArgumentException | IllegalAccessException e) { - throw new IllegalArgumentException("can't encode" + obj, e); - } - } - UperEncoder.logger.debug(String.format("BITSTRING %s, encoded as <%s>", obj.getClass().getName(), - bitbuffer.toBooleanStringFromPosition(position))); - return; - } else { - throw new UnsupportedOperationException( - "Bitstrings of variable size are not implemented yet"); - } - } else if (obj instanceof Asn1VarSizeBitstring) { - int position = bitbuffer.position(); - if (UperEncoder.hasExtensionMarker(annotations)) { throw new UnsupportedOperationException( - "Bitstring with extensions is not implemented yet"); } - Asn1VarSizeBitstring bitstring = (Asn1VarSizeBitstring) obj; - FixedSize fixedSize = annotations.getAnnotation(FixedSize.class); - SizeRange sizeRange = annotations.getAnnotation(SizeRange.class); - if (fixedSize != null) { - for (int i = 0; i < fixedSize.value(); i++) { - bitbuffer.put(bitstring.getBit(i)); - } - UperEncoder.logger.debug(String.format("BITSTRING %s: %s", obj.getClass().getName(), - bitbuffer.toBooleanStringFromPosition(position))); - return; - } else if (sizeRange != null) { - int position1 = bitbuffer.position(); - UperEncoder.encodeConstrainedInt(bitbuffer, bitstring.size(), sizeRange.minValue(), - sizeRange.maxValue()); - int position2 = bitbuffer.position(); - for (int i = 0; i < bitstring.size(); i++) { - bitbuffer.put(bitstring.getBit(i)); - } - UperEncoder.logger.debug(String.format("BITSTRING %s size %s: %S", obj.getClass().getName(), - bitbuffer.toBooleanString(position1, position2 - position1), - bitbuffer.toBooleanStringFromPosition(position2))); - return; - } else { - throw new IllegalArgumentException("Both SizeRange and FixedSize are null"); - } - } - } - - @Override public <T> boolean canDecode(Class<T> classOfT, Annotation[] extraAnnotations) { - AnnotationStore annotations = new AnnotationStore(classOfT.getAnnotations(), - extraAnnotations); - return annotations.getAnnotation(Bitstring.class) != null; - } - - @Override public <T> T decode(BitBuffer bitbuffer, - Class<T> classOfT, Field field, - Annotation[] extraAnnotations) { - AnnotationStore annotations = new AnnotationStore(classOfT.getAnnotations(), - extraAnnotations); - if (!Asn1VarSizeBitstring.class.isAssignableFrom(classOfT)) { - UperEncoder.logger.debug("Bitlist(fixed-size, all-named)"); - FixedSize fixedSize = annotations.getAnnotation(FixedSize.class); - if (fixedSize == null) { throw new UnsupportedOperationException( - "bitstrings of non-fixed size that do not extend Asn1VarSizeBitstring are not supported yet"); - } - Asn1ContainerFieldSorter sorter = new Asn1ContainerFieldSorter(classOfT); - if (fixedSize.value() != sorter.ordinaryFields.size()) { throw new IllegalArgumentException( - "Fixed size annotation " + fixedSize.value() - + " does not match the number of fields " - + sorter.ordinaryFields.size() + " in " + classOfT.getName()); } - if (UperEncoder.hasExtensionMarker(annotations)) { - boolean extensionPresent = bitbuffer.get(); - if (extensionPresent) { throw new UnsupportedOperationException( - "extensions in fixed-size bitlist are not supported yet"); } - } - T result = UperEncoder.instantiate(classOfT); - for (Field f : sorter.ordinaryFields) { - boolean value = bitbuffer.get(); - UperEncoder.logger.debug(String.format("Field %s set to %s", f.getName(), value)); - try { - f.set(result, value); - } catch (IllegalArgumentException | IllegalAccessException e) { - throw new IllegalArgumentException("can't decode " + classOfT, e); - } - } - return result; - } else { - UperEncoder.logger.debug("Bitlist(var-size)"); - FixedSize fixedSize = annotations.getAnnotation(FixedSize.class); - SizeRange sizeRange = annotations.getAnnotation(SizeRange.class); - // We use reflection here to access protected method of Asn1VarSizeBitstring. - // Alternative would be to mandate BitSet constructors for all subclasses of - // Asn1VarSizeBitstring. - Method setBitMethod; - try { - setBitMethod = Asn1VarSizeBitstring.class.getDeclaredMethod("setBit", int.class, - boolean.class); - setBitMethod.setAccessible(true); - } catch (SecurityException | NoSuchMethodException e) { - throw new AssertionError("Can't find/access setBit " + e); - } - Long size = (fixedSize != null) ? fixedSize.value() : - (sizeRange != null) ? UperEncoder.decodeConstrainedInt(bitbuffer, - UperEncoder.intRangeFromSizeRange(sizeRange)) : - badSize(classOfT); - T result = UperEncoder.instantiate(classOfT); - for (int i = 0; i < size; i++) { - try { - setBitMethod.invoke(result, i, bitbuffer.get()); - } catch (IllegalArgumentException | InvocationTargetException | IllegalAccessException e) { - throw new IllegalArgumentException("Can't invoke setBit", e); - } - } - return result; - } - } - - /** This function only throws an exception, to be used in ternary (a?b:c) expression. */ - static <T> Long badSize(Class<T> classOfT) { - throw new IllegalArgumentException("both size range and fixed size are null for " - + classOfT.getName()); - } - - @Override - public <T> T getDefault(Class<T> classOfT, Annotation[] extraAnnotations) { - throw new IllegalArgumentException("Default Sequence not yet implemented"); - } -}
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