From e023e674020f1a435f7b8c8b9276704f576ea6e5 Mon Sep 17 00:00:00 2001 From: CGantert345 <57003061+CGantert345@users.noreply.github.com> Date: Mon, 29 Mar 2021 14:08:45 +0200 Subject: structure change 1 --- .../java/org/uic/barcode/asn1/uper/IntCoder.java | 267 +++++++++++++++++++++ 1 file changed, 267 insertions(+) create mode 100644 src/main/java/org/uic/barcode/asn1/uper/IntCoder.java (limited to 'src/main/java/org/uic/barcode/asn1/uper/IntCoder.java') diff --git a/src/main/java/org/uic/barcode/asn1/uper/IntCoder.java b/src/main/java/org/uic/barcode/asn1/uper/IntCoder.java new file mode 100644 index 0000000..87b561b --- /dev/null +++ b/src/main/java/org/uic/barcode/asn1/uper/IntCoder.java @@ -0,0 +1,267 @@ +package org.uic.barcode.asn1.uper; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Field; +import java.math.BigInteger; + +import org.uic.barcode.asn1.datatypes.Asn1BigInteger; +import org.uic.barcode.asn1.datatypes.Asn1Default; +import org.uic.barcode.asn1.datatypes.Asn1Integer; +import org.uic.barcode.asn1.datatypes.IntMinValue; +import org.uic.barcode.asn1.datatypes.IntRange; + + +class IntCoder implements Encoder, Decoder { + + + + @Override public boolean canDecode(Class classOfT, Annotation[] extraAnnotations) { + return classOfT == Asn1Integer.class || + classOfT == Asn1BigInteger.class|| + classOfT == BigInteger.class || + classOfT == Long.class || + classOfT == Integer.class || + classOfT == Short.class ; + } + + + @Override public T decode(BitBuffer bitbuffer, + Class classOfT, Field field, + Annotation[] extraAnnotations) { + AnnotationStore annotations = new AnnotationStore(classOfT.getAnnotations(),extraAnnotations); + String pos = String.format("Position: %d.%d", bitbuffer.position()/8 , bitbuffer.position() % 8); + UperEncoder.logger.debug(String.format("%s: INTEGER",pos)); + IntRange intRange = annotations.getAnnotation(IntRange.class); + IntMinValue minValue = annotations.getAnnotation(IntMinValue.class); + + + if (intRange == null) { + return decodeUnconstrainedInteger(bitbuffer, classOfT, extraAnnotations, minValue); + } + UperEncoder.logger.debug(String.format("Integer, range %d..%d", intRange.minValue(), intRange.maxValue())); + return decodeConstrainedInteger(bitbuffer, classOfT, intRange, extraAnnotations); + } + + @SuppressWarnings("unchecked") + private T decodeConstrainedInteger(BitBuffer bitbuffer, Class classOfT, IntRange intRange, Annotation[] extraAnnotations) { + + long value = UperEncoder.decodeConstrainedInt(bitbuffer, intRange); + UperEncoder.logger.debug(String.format("decoded as %d", value)); + + try { + if (classOfT == Asn1BigInteger.class) { + return ((T) new Asn1BigInteger(value)); + } else if (classOfT == Asn1Integer.class) { + return (T) new Asn1Integer(value); + } else if (classOfT == BigInteger.class) { + return (T) BigInteger.valueOf(value); + } else if (classOfT == Long.class) { + return (T) Long.valueOf(value); + } else if (classOfT == Integer.class) { + return (T) Integer.valueOf(Long.valueOf(value).intValue()); + } else if (classOfT == Short.class) { + return (T) Short.valueOf(Long.valueOf(value).shortValue()); + } + } catch (Exception e) { + throw new IllegalArgumentException("size too small " + classOfT.getName() + ": " + e); + } + + return null; + + + } + + @Override public boolean canEncode(T obj, Annotation[] extraAnnotations) { + return obj instanceof Asn1Integer || + obj instanceof Asn1BigInteger || + obj instanceof BigInteger || + obj instanceof Long || + obj instanceof Integer || + obj instanceof Short; + } + + @Override public 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); + IntMinValue minValue = annotations.getAnnotation(IntMinValue.class); + int position = bitbuffer.position(); + + //get value + if (range == null) { + + try { + encodeUnconstrainedInteger(bitbuffer, obj, extraAnnotations,minValue); + } catch (Asn1EncodingException e) { + throw new Asn1EncodingException(" " + type.getSimpleName(), e); + } catch (Exception e1){ + throw new Asn1EncodingException(" " + type.getSimpleName() + " - " + e1.getLocalizedMessage()); + } + UperEncoder.logger.debug(String.format("INT(%s): %s", obj, bitbuffer.toBooleanStringFromPosition(position))); + + + } else { + + try { + + long value = 0; + if (obj instanceof BigInteger) { + try { + value = ((BigInteger) obj).longValue(); + } catch (Exception e) { + + UperEncoder.logger.debug("constrained BigInteger is too big for constrained int"); + throw new Asn1EncodingException("constrained BigInteger is too big for constrained int" + type.getSimpleName()); + } + } if (obj instanceof Asn1BigInteger) { + try { + value = ((Asn1BigInteger) obj).longValue(); + } catch (Exception e) { + + UperEncoder.logger.debug("constrained Asn1BigInteger is too big for constrained int"); + throw new Asn1EncodingException("constrained Asn1BigInteger is too big for constrained int" + type.getSimpleName()); + } + } if (obj instanceof Asn1Integer) { + try { + value = Asn1Integer.toLong((Asn1Integer) obj); + } catch (Exception e) { + + UperEncoder.logger.debug("constrained BigInteger is too big for constrained int"); + throw new Asn1EncodingException("constrained BigInteger is too big for constrained int" + type.getSimpleName()); + } + } else if (obj instanceof Long) { + value = ((Long) obj).longValue(); + } else if (obj instanceof Integer) { + value = ((Integer) obj).longValue(); + } else if (obj instanceof Short) { + value = ((Short) obj).longValue(); + } + + UperEncoder.encodeConstrainedInt(bitbuffer, value, range.minValue(), range.maxValue(), range.hasExtensionMarker()); + } catch (Asn1EncodingException e) { + throw new Asn1EncodingException(" " + type.getSimpleName(), e); + } catch (Exception e1){ + throw new Asn1EncodingException(" " + type.getSimpleName() + " - " + e1.getLocalizedMessage()); + } + UperEncoder.logger.debug(String.format("INT(%s): %s", obj, bitbuffer.toBooleanStringFromPosition(position))); + } + return; + } + + private void encodeUnconstrainedInteger(BitBuffer bitbuffer, Object obj, Annotation[] annotations, IntMinValue minValue) throws Asn1EncodingException { + + + BigInteger bint = null; + try { + if (obj instanceof BigInteger) { + bint = (BigInteger) obj; + } else if (obj instanceof Asn1BigInteger) { + bint = BigInteger.valueOf(((Asn1BigInteger) obj).longValue()); + } else if (obj instanceof Asn1Integer) { + bint = BigInteger.valueOf(((Asn1Integer) obj).value()); + } else if (obj instanceof Long) { + bint = BigInteger.valueOf(((Long) obj).longValue()); + } else if (obj instanceof Integer) { + bint = BigInteger.valueOf(((Integer) obj).longValue()); + } else if (obj instanceof Short) { + bint = BigInteger.valueOf(((Short) obj).longValue()); + } + } catch (Exception e1){ + throw new Asn1EncodingException(" " + obj.getClass().getSimpleName() + " - " + e1.getLocalizedMessage()); + } + + + if (minValue != null) { + bint.subtract(BigInteger.valueOf(minValue.minValue())); + } + + 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 INTEGER", e); + } + int position2 = bitbuffer.position(); + for (byte b : array) { + bitbuffer.putByte(b); + } + UperEncoder.logger.debug(String.format("INTEGER Int(%s): len %s, val %s", bint.toString(), + bitbuffer.toBooleanString(position1, position2 - position1), + bitbuffer.toBooleanStringFromPosition(position2))); + return; + } + + @SuppressWarnings("unchecked") + public T decodeUnconstrainedInteger(BitBuffer bitbuffer, Class classOfT, Annotation[] extraAnnotations,IntMinValue minValue) { + 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()); + if (minValue != null) { + resultValue.add(BigInteger.valueOf(minValue.minValue())); + } + + UperEncoder.logger.debug(String.format("INTEGER Decoded as %s", resultValue)); + + try { + if (classOfT == Asn1BigInteger.class) { + return (T) new Asn1BigInteger(resultValue); + } else if (classOfT == BigInteger.class) { + return (T) resultValue; + } else if (classOfT == Long.class) { + return (T) Long.valueOf(resultValue.longValueExact()); + } else if (classOfT == Integer.class) { + return (T) Integer.valueOf(resultValue.intValueExact()); + } else if (classOfT == Short.class) { + return (T) Short.valueOf(resultValue.shortValueExact()); + } + } catch (Exception e){ + UperEncoder.logger.debug(String.format("INTEGER Decoded as %s is too big for data type", resultValue)); + } + return null; + } + + @SuppressWarnings("unchecked") + @Override + public T getDefault(Class 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); + + try { + if (classOfT == Asn1BigInteger.class) { + return ((T) new Asn1BigInteger(value)); + } else if (classOfT == BigInteger.class) { + return (T) BigInteger.valueOf(value); + } else if (classOfT == Long.class) { + return (T) Long.valueOf(value); + } else if (classOfT == Integer.class) { + return (T) Integer.valueOf(Long.valueOf(value).intValue()); + } else if (classOfT == Short.class) { + return (T) Short.valueOf(Long.valueOf(value).shortValue()); + } + } catch (Exception e) { + throw new IllegalArgumentException("size too small " + classOfT.getName() + ": " + e); + } + + return null; + } + +} \ No newline at end of file -- cgit v1.2.3