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-rw-r--r--src/net/gcdc/asn1/uper/EnumCoder.java156
1 files changed, 0 insertions, 156 deletions
diff --git a/src/net/gcdc/asn1/uper/EnumCoder.java b/src/net/gcdc/asn1/uper/EnumCoder.java
deleted file mode 100644
index f86fe5f..0000000
--- a/src/net/gcdc/asn1/uper/EnumCoder.java
+++ /dev/null
@@ -1,156 +0,0 @@
-package net.gcdc.asn1.uper;
-
-import java.lang.annotation.Annotation;
-import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import net.gcdc.asn1.datatypes.Asn1Default;
-import net.gcdc.asn1.datatypes.IsExtension;
-
-class EnumCoder implements Decoder, Encoder {
-
- @Override public <T> boolean canEncode(T obj, Annotation[] extraAnnotations) {
- Class<?> type = obj.getClass();
- return type.isEnum();
- }
-
- @Override public <T> void encode(BitBuffer bitbuffer, T obj, Annotation[] extraAnnotations) throws Asn1EncodingException {
- Class<?> type = obj.getClass();
- AnnotationStore annotations = new AnnotationStore(type.getAnnotations(), extraAnnotations);
- String pos = String.format("%d.%d", bitbuffer.position()/8 , bitbuffer.position() % 8);
- UperEncoder.logger.debug(String.format("Position %s ENUM",pos));
- try {
- int position = bitbuffer.position();
-
- List<?> values = Arrays.asList(type.getEnumConstants());
- int enumIndex = values.indexOf(obj);
-
- if (!UperEncoder.hasExtensionMarker(annotations)) {
- UperEncoder.logger.debug(String.format("enum without extension: index %d value %s, encoding index...", enumIndex,obj.toString()));
- UperEncoder.encodeConstrainedInt(bitbuffer, enumIndex, 0, values.size() - 1);
- return;
- } else {
- List<Object> valuesWithinExtensionRoot = new ArrayList<>();
- List<Object> valuesOutsideExtensionRoot = new ArrayList<>();
- for (Object c : type.getEnumConstants()) {
- String field = c.toString();
- boolean isExtension = false;
- try {
- isExtension = type.getField(field).isAnnotationPresent(IsExtension.class);
- } catch (NoSuchFieldException e) {
- throw new IllegalArgumentException("Illegal value for enum field " , e);
- } catch (SecurityException e) {
- throw new IllegalArgumentException("Illegal access restriction for enum field " , e);
- }
-
- if (!isExtension) {
- valuesWithinExtensionRoot.add(c);
- } else {
- valuesOutsideExtensionRoot.add(c);
- }
- }
-
- if (valuesWithinExtensionRoot.contains(obj)) {
- UperEncoder.logger.debug(String.format("Extension indicator set to false"));
- bitbuffer.put(false);
- int index = valuesWithinExtensionRoot.indexOf(obj);
- UperEncoder.encodeConstrainedInt(bitbuffer, index, 0, valuesWithinExtensionRoot.size() - 1);
- UperEncoder.logger.debug(String.format("ENUM with extension: index %d value %s, encoded as root value <%s>", index, obj.toString(),
- bitbuffer.toBooleanStringFromPosition(position)));
- return;
- } else {
- //CG encode the index in the extension list as small integer
- UperEncoder.logger.debug(String.format("Extension indicator set to true"));
- bitbuffer.put(true);
- int index = valuesOutsideExtensionRoot.indexOf(obj);
-
- UperEncoder.encodeSmallInt(bitbuffer, index);
- UperEncoder.logger.debug(String.format("ENUM with extension: index %d value %s, encoded as extension <%s>", index, obj.toString(),
- bitbuffer.toBooleanStringFromPosition(position)));
- }
- }
- } catch (Asn1EncodingException e) {
- throw new Asn1EncodingException(type.getName(), e);
- }
- }
-
- @Override public <T> boolean canDecode(Class<T> classOfT, Annotation[] extraAnnotations) {
- return classOfT.isEnum();
- }
-
- @Override public <T> T decode(BitBuffer bitbuffer,
- Class<T> classOfT, Field field,
- Annotation[] extraAnnotations) {
- AnnotationStore annotations = new AnnotationStore(classOfT.getAnnotations(), extraAnnotations);
- UperEncoder.logger.debug("ENUM");
- boolean extensionPresent = false;
- if (UperEncoder.hasExtensionMarker(annotations)) {
- extensionPresent = bitbuffer.get();
- UperEncoder.logger.debug(String.format("with extension marker, %s" , extensionPresent ? "present" : "absent"));
- }
- T[] enumValues = classOfT.getEnumConstants();
-
- int rootValues = 0;
-
- boolean isExtension = false;
- for (Object c : enumValues) {
- String value = c.toString();
- try {
- isExtension = classOfT.getField(value).isAnnotationPresent(IsExtension.class);
- } catch (NoSuchFieldException e) {
- throw new IllegalArgumentException("Illegal value for extension field " , e);
- } catch (SecurityException e) {
- throw new IllegalArgumentException("Illegal value for extension field " , e);
- }
-
- if (!isExtension) rootValues++;
- }
-
- //
- int index = 0;
- if (!extensionPresent){
- //root element
- index = (int) UperEncoder.decodeConstrainedInt(bitbuffer,
- UperEncoder.newRange(0, rootValues - 1, false));
- } else {
- //extension element, decode as small int without restriction
- index = (int) UperEncoder.decodeSmallInt(bitbuffer);
- //the encoded index is an index within the extensions list only
- index = index + rootValues;
- }
-
- if (index > enumValues.length - 1 && extensionPresent) {
- //this is an unknown extension
- UperEncoder.logger.debug(String.format("Enum contains unknown extendion index %d" , index));
- return null;
- }
- if (index > enumValues.length - 1 && !extensionPresent) {
- //this should not happen
- throw new IllegalArgumentException(
- "decoded enum index " + index + " is larger then number of elements (0.."
- + enumValues.length + ") in " + classOfT.getName());
- }
- T value = enumValues[index];
- UperEncoder.logger.debug(String.format("Enum decoded as %s" , value.toString()));
- return value;
- }
-
- @SuppressWarnings("unchecked")
- @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;
-
- for (Object c : classOfT.getEnumConstants()) {
- if (c.toString().equals(defaultAnnotation.value())) {
- return (T) c;
- }
- }
-
- return null;
- }
-
-} \ No newline at end of file