private int readAnnotationValue()

in org.eclipse.sisu.inject/src/org/eclipse/sisu/space/asm/ClassReader.java [1807:1954]
148 lines of code
36 McCabe index (conditional complexity)

    private int readAnnotationValue(int v, final char[] buf, final String name,
            final AnnotationVisitor av) {
        int i;
        if (av == null) {
            switch (b[v] & 0xFF) {
            case 'e': // enum_const_value
                return v + 5;
            case '@': // annotation_value
                return readAnnotationValues(v + 3, buf, true, null);
            case '[': // array_value
                return readAnnotationValues(v + 1, buf, false, null);
            default:
                return v + 3;
            }
        }
        switch (b[v++] & 0xFF) {
        case 'I': // pointer to CONSTANT_Integer
        case 'J': // pointer to CONSTANT_Long
        case 'F': // pointer to CONSTANT_Float
        case 'D': // pointer to CONSTANT_Double
            av.visit(name, readConst(readUnsignedShort(v), buf));
            v += 2;
            break;
        case 'B': // pointer to CONSTANT_Byte
            av.visit(name,
                    new Byte((byte) readInt(items[readUnsignedShort(v)])));
            v += 2;
            break;
        case 'Z': // pointer to CONSTANT_Boolean
            av.visit(name,
                    readInt(items[readUnsignedShort(v)]) == 0 ? Boolean.FALSE
                            : Boolean.TRUE);
            v += 2;
            break;
        case 'S': // pointer to CONSTANT_Short
            av.visit(name, new Short(
                    (short) readInt(items[readUnsignedShort(v)])));
            v += 2;
            break;
        case 'C': // pointer to CONSTANT_Char
            av.visit(name, new Character(
                    (char) readInt(items[readUnsignedShort(v)])));
            v += 2;
            break;
        case 's': // pointer to CONSTANT_Utf8
            av.visit(name, readUTF8(v, buf));
            v += 2;
            break;
        case 'e': // enum_const_value
            av.visitEnum(name, readUTF8(v, buf), readUTF8(v + 2, buf));
            v += 4;
            break;
        case 'c': // class_info
            av.visit(name, Type.getType(readUTF8(v, buf)));
            v += 2;
            break;
        case '@': // annotation_value
            v = readAnnotationValues(v + 2, buf, true,
                    av.visitAnnotation(name, readUTF8(v, buf)));
            break;
        case '[': // array_value
            int size = readUnsignedShort(v);
            v += 2;
            if (size == 0) {
                return readAnnotationValues(v - 2, buf, false,
                        av.visitArray(name));
            }
            switch (this.b[v++] & 0xFF) {
            case 'B':
                byte[] bv = new byte[size];
                for (i = 0; i < size; i++) {
                    bv[i] = (byte) readInt(items[readUnsignedShort(v)]);
                    v += 3;
                }
                av.visit(name, bv);
                --v;
                break;
            case 'Z':
                boolean[] zv = new boolean[size];
                for (i = 0; i < size; i++) {
                    zv[i] = readInt(items[readUnsignedShort(v)]) != 0;
                    v += 3;
                }
                av.visit(name, zv);
                --v;
                break;
            case 'S':
                short[] sv = new short[size];
                for (i = 0; i < size; i++) {
                    sv[i] = (short) readInt(items[readUnsignedShort(v)]);
                    v += 3;
                }
                av.visit(name, sv);
                --v;
                break;
            case 'C':
                char[] cv = new char[size];
                for (i = 0; i < size; i++) {
                    cv[i] = (char) readInt(items[readUnsignedShort(v)]);
                    v += 3;
                }
                av.visit(name, cv);
                --v;
                break;
            case 'I':
                int[] iv = new int[size];
                for (i = 0; i < size; i++) {
                    iv[i] = readInt(items[readUnsignedShort(v)]);
                    v += 3;
                }
                av.visit(name, iv);
                --v;
                break;
            case 'J':
                long[] lv = new long[size];
                for (i = 0; i < size; i++) {
                    lv[i] = readLong(items[readUnsignedShort(v)]);
                    v += 3;
                }
                av.visit(name, lv);
                --v;
                break;
            case 'F':
                float[] fv = new float[size];
                for (i = 0; i < size; i++) {
                    fv[i] = Float
                            .intBitsToFloat(readInt(items[readUnsignedShort(v)]));
                    v += 3;
                }
                av.visit(name, fv);
                --v;
                break;
            case 'D':
                double[] dv = new double[size];
                for (i = 0; i < size; i++) {
                    dv[i] = Double
                            .longBitsToDouble(readLong(items[readUnsignedShort(v)]));
                    v += 3;
                }
                av.visit(name, dv);
                --v;
                break;
            default:
                v = readAnnotationValues(v - 3, buf, false, av.visitArray(name));
            }
        }
        return v;
    }