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Diffstat (limited to 'src/net/gcdc/asn1/uper/BitStringCoder.java')
-rw-r--r--src/net/gcdc/asn1/uper/BitStringCoder.java165
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");
- }
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 10:43:05 +0200