public static ElementValue readElementValue()

in src/main/java/org/apache/bcel/classfile/ElementValue.java [89:130]
35 lines of code
16 McCabe index (conditional complexity)

    public static ElementValue readElementValue(final DataInput input, final ConstantPool cpool, int arrayNesting)
            throws IOException {
        final byte tag = input.readByte();
        switch (tag) {
        case PRIMITIVE_BYTE:
        case PRIMITIVE_CHAR:
        case PRIMITIVE_DOUBLE:
        case PRIMITIVE_FLOAT:
        case PRIMITIVE_INT:
        case PRIMITIVE_LONG:
        case PRIMITIVE_SHORT:
        case PRIMITIVE_BOOLEAN:
        case STRING:
            return new SimpleElementValue(tag, input.readUnsignedShort(), cpool);

        case ENUM_CONSTANT:
            return new EnumElementValue(ENUM_CONSTANT, input.readUnsignedShort(), input.readUnsignedShort(), cpool);

        case CLASS:
            return new ClassElementValue(CLASS, input.readUnsignedShort(), cpool);

        case ANNOTATION:
            // TODO isRuntimeVisible
            return new AnnotationElementValue(ANNOTATION, AnnotationEntry.read(input, cpool, false), cpool);

        case ARRAY:
            arrayNesting++;
            if (arrayNesting > Const.MAX_ARRAY_DIMENSIONS) {
                // JVM spec 4.4.1
                throw new ClassFormatException(String.format("Arrays are only valid if they represent %,d or fewer dimensions.", Const.MAX_ARRAY_DIMENSIONS));
            }
            final int numArrayVals = input.readUnsignedShort();
            final ElementValue[] evalues = new ElementValue[numArrayVals];
            for (int j = 0; j < numArrayVals; j++) {
                evalues[j] = ElementValue.readElementValue(input, cpool, arrayNesting);
            }
            return new ArrayElementValue(ARRAY, evalues, cpool);

        default:
            throw new ClassFormatException("Unexpected element value tag in annotation: " + tag);
        }
    }