summaryrefslogtreecommitdiffstats
path: root/src/net/gcdc/asn1/uper/BigIntCoder.java
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/net/gcdc/asn1/uper/BigIntCoder.java96
1 files changed, 0 insertions, 96 deletions
diff --git a/src/net/gcdc/asn1/uper/BigIntCoder.java b/src/net/gcdc/asn1/uper/BigIntCoder.java
deleted file mode 100644
index 8c24eb7..0000000
--- a/src/net/gcdc/asn1/uper/BigIntCoder.java
+++ /dev/null
@@ -1,96 +0,0 @@
-package net.gcdc.asn1.uper;
-
-import java.lang.annotation.Annotation;
-import java.lang.reflect.Field;
-import java.math.BigInteger;
-import net.gcdc.asn1.datatypes.Asn1BigInteger;
-import net.gcdc.asn1.datatypes.Asn1Default;
-import net.gcdc.asn1.datatypes.IntRange;
-
-class BigIntCoder implements Encoder, Decoder {
-
- @Override public <T> boolean canDecode(Class<T> classOfT, Annotation[] extraAnnotations) {
- return Asn1BigInteger.class.isAssignableFrom(classOfT);
- }
-
- @Override public <T> T decode(BitBuffer bitbuffer,
- Class<T> classOfT, Field f,
- Annotation[] extraAnnotations) {
- AnnotationStore annotations = new AnnotationStore(classOfT.getAnnotations(),
- extraAnnotations);
-
- String pos = String.format("%d.%d", bitbuffer.position()/8 , bitbuffer.position() % 8);
- UperEncoder.logger.debug(String.format("Position %s BIG INT",pos));
- IntRange intRange = annotations.getAnnotation(IntRange.class);
- if (intRange != null && intRange.maxValue() > 0) {
- throw new UnsupportedOperationException("Big int with upper range is not supported yet");
- }
-
- int lengthInOctets = (int) UperEncoder.decodeLengthDeterminant(bitbuffer);
- BitBuffer valueBits = ByteBitBuffer.allocate(lengthInOctets * 8);
- for (int i = 0; i < lengthInOctets * 8; i++) {
- valueBits.put(bitbuffer.get());
- }
- valueBits.flip();
- BigInteger resultValue = new BigInteger(+1, valueBits.array());
- UperEncoder.logger.debug(String.format("big int Decoded as %s", resultValue));
-
-
- //CG support for int range
- if (intRange != null){
- resultValue.add(BigInteger.valueOf(intRange.minValue()));
- }
-
-
- return UperEncoder.instantiate(classOfT, resultValue);
- }
-
- @Override public <T> boolean canEncode(T obj, Annotation[] extraAnnotations) {
- return obj instanceof Asn1BigInteger;
- }
-
- @Override public <T> void encode(BitBuffer bitbuffer, T obj, Annotation[] extraAnnotations) throws Asn1EncodingException {
- Class<?> type = obj.getClass();
- AnnotationStore annotations = new AnnotationStore(type.getAnnotations(), extraAnnotations);
- IntRange range = annotations.getAnnotation(IntRange.class);
-
- //CG implementation with lower range limit added
- BigInteger bint = ((Asn1BigInteger) obj).toBigInteger();
- if (range != null) {
- throw new UnsupportedOperationException("Asn1 BigInteger with range is not supported");
- }
- byte[] array = bint.toByteArray();
- int lengthInOctets = array.length;
- int position1 = bitbuffer.position();
- try {
- UperEncoder.encodeLengthDeterminant(bitbuffer, lengthInOctets);
- } catch (Asn1EncodingException e) {
- throw new Asn1EncodingException(" length determinant of " + type.getName(), e);
- }
- int position2 = bitbuffer.position();
- for (byte b : array) {
- bitbuffer.putByte(b);
- }
- UperEncoder.logger.debug(String.format("Big Int(%s): len %s, val %s", obj,
- bitbuffer.toBooleanString(position1, position2 - position1),
- bitbuffer.toBooleanStringFromPosition(position2)));
- return;
- }
-
- @Override
- public <T> T getDefault(Class<T> classOfT, Annotation[] extraAnnotations) {
- AnnotationStore annotations = new AnnotationStore(classOfT.getAnnotations(), extraAnnotations);
- Asn1Default defaultAnnotation = annotations.getAnnotation(Asn1Default.class);
- if (defaultAnnotation == null) return null;
- //check whether the class has a constructor for numeric types
- String valueString = defaultAnnotation.value();
- long value = Long.parseLong(valueString);
- UperEncoder.logger.debug(String.format("Default INTEGER: %d",value ));
-
- @SuppressWarnings("unchecked")
- T t = (T) new Asn1BigInteger(value);
- return t;
-
- }
-
-} \ No newline at end of file