private void createSimpleGetter()

in ipojo/manipulator/manipulator/src/main/java/org/apache/felix/ipojo/manipulation/ClassManipulator.java [869:1047]
148 lines of code
10 McCabe index (conditional complexity)

    private void createSimpleGetter(String name, String desc, Type type) {
        String methodName = "__get" + name;
        MethodVisitor mv = cv.visitMethod(0, methodName, desc, null, null);
        mv.visitCode();

        switch (type.getSort()) {
            case Type.BOOLEAN:
            case Type.CHAR:
            case Type.BYTE:
            case Type.SHORT:
            case Type.INT:

                String internalName = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][0];
                String boxingType = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][1];
                String unboxingMethod = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][2];

                Label l0 = new Label();
                mv.visitLabel(l0);

                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, FIELD_FLAG_PREFIX + name, "Z");
                Label l1 = new Label();
                mv.visitJumpInsn(IFNE, l1);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, name, internalName);
                mv.visitInsn(IRETURN);

                mv.visitLabel(l1);

                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");
                mv.visitVarInsn(ALOAD, 0);
                mv.visitLdcInsn(name);
                mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager",
                        GET, "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", false);
                mv.visitVarInsn(ASTORE, 1);

                mv.visitVarInsn(ALOAD, 1);
                mv.visitTypeInsn(CHECKCAST, boxingType);
                mv.visitVarInsn(ASTORE, 2);

                mv.visitVarInsn(ALOAD, 2);
                mv.visitMethodInsn(INVOKEVIRTUAL, boxingType, unboxingMethod, "()" + internalName, false);
                mv.visitInsn(type.getOpcode(IRETURN));
                break;

            case Type.LONG:
                internalName = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][0];
                boxingType = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][1];
                unboxingMethod = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][2];

                l0 = new Label();
                mv.visitLabel(l0);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, FIELD_FLAG_PREFIX + name, "Z");
                l1 = new Label();
                mv.visitJumpInsn(IFNE, l1);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, name, internalName);
                mv.visitInsn(LRETURN);
                mv.visitLabel(l1);

                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");
                mv.visitVarInsn(ALOAD, 0);
                mv.visitLdcInsn(name);
                mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager",
                        GET, "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", false);
                mv.visitVarInsn(ASTORE, 1);

                mv.visitVarInsn(ALOAD, 1);
                mv.visitTypeInsn(CHECKCAST, boxingType);
                mv.visitVarInsn(ASTORE, 2);

                mv.visitVarInsn(ALOAD, 2);
                mv.visitMethodInsn(INVOKEVIRTUAL, boxingType, unboxingMethod, "()" + internalName, false);
                mv.visitInsn(LRETURN);

                break;

            case Type.DOUBLE:
                internalName = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][0];
                boxingType = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][1];
                unboxingMethod = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][2];

                l0 = new Label();
                mv.visitLabel(l0);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, FIELD_FLAG_PREFIX + name, "Z");
                l1 = new Label();
                mv.visitJumpInsn(IFNE, l1);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, name, internalName);
                mv.visitInsn(DRETURN);
                mv.visitLabel(l1);

                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");
                mv.visitVarInsn(ALOAD, 0);
                mv.visitLdcInsn(name);
                mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager",
                        GET, "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", false);
                mv.visitVarInsn(ASTORE, 1);

                mv.visitVarInsn(ALOAD, 1);
                mv.visitTypeInsn(CHECKCAST, boxingType);
                mv.visitVarInsn(ASTORE, 2);

                mv.visitVarInsn(ALOAD, 2);
                mv.visitMethodInsn(INVOKEVIRTUAL, boxingType, unboxingMethod, "()" + internalName, false);
                mv.visitInsn(DRETURN);

                break;

            case Type.FLOAT:
                internalName = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][0];
                boxingType = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][1];
                unboxingMethod = ManipulationProperty.PRIMITIVE_BOXING_INFORMATION[type.getSort()][2];

                l0 = new Label();
                mv.visitLabel(l0);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, FIELD_FLAG_PREFIX + name, "Z");
                l1 = new Label();
                mv.visitJumpInsn(IFNE, l1);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, name, internalName);
                mv.visitInsn(FRETURN);
                mv.visitLabel(l1);

                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");
                mv.visitVarInsn(ALOAD, 0);
                mv.visitLdcInsn(name);
                mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager",
                        GET, "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", false);
                mv.visitVarInsn(ASTORE, 1);

                mv.visitVarInsn(ALOAD, 1);
                mv.visitTypeInsn(CHECKCAST, boxingType);
                mv.visitVarInsn(ASTORE, 2);

                mv.visitVarInsn(ALOAD, 2);
                mv.visitMethodInsn(INVOKEVIRTUAL, boxingType, unboxingMethod, "()" + internalName, false);
                mv.visitInsn(FRETURN);

                break;

            case Type.OBJECT:
                l0 = new Label();
                mv.visitLabel(l0);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, FIELD_FLAG_PREFIX + name, "Z");
                l1 = new Label();
                mv.visitJumpInsn(IFNE, l1);
                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, name, "L" + type.getInternalName() + ";");
                mv.visitInsn(ARETURN);
                mv.visitLabel(l1);

                mv.visitVarInsn(ALOAD, 0);
                mv.visitFieldInsn(GETFIELD, m_owner, IM_FIELD, "Lorg/apache/felix/ipojo/InstanceManager;");
                mv.visitVarInsn(ALOAD, 0);
                mv.visitLdcInsn(name);
                mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/felix/ipojo/InstanceManager",
                        GET, "(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;", false);
                mv.visitTypeInsn(CHECKCAST, type.getInternalName());
                mv.visitInsn(ARETURN);

                break;

            default:
                ManipulationProperty.getLogger().log(ManipulationProperty.SEVERE, "Manipulation problem in " + m_owner + " : a type is not implemented : " + type);
                break;
        }

        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }