Examples with OtpErlangMap com.ericsson.otp.erlang.OtpErlangMap used on opensource projects

Example 6 with OtpErlangMap

use of com.ericsson.otp.erlang.OtpErlangMap in project erlide_eclipse by erlang.

the class TypeConverterTest method cvtMapOk_1.

@Test
public void cvtMapOk_1() throws SignatureException {
    final Map<OtpErlangObject, OtpErlangObject> map = new HashMap<>();
    test(map, "m", new OtpErlangMap(new OtpErlangObject[0], new OtpErlangObject[0]));
}

Example 7 with OtpErlangMap

use of com.ericsson.otp.erlang.OtpErlangMap in project erlide_eclipse by erlang.

the class TypeConverter method erlang2java.

@SuppressWarnings("boxing")
public static Object erlang2java(final OtpErlangObject obj, final Class<?> cls) throws SignatureException {
    try {
        if (cls == obj.getClass()) {
            return obj;
        }
        // if the conversion method exists, use it
        try {
            final Method method = cls.getMethod("fromErlangObject", new Class<?>[] { OtpErlangObject.class });
            method.setAccessible(true);
            final Object o = method.invoke(null, obj);
            return o;
        } catch (final NoSuchMethodException e) {
        // ignore, continue
        }
        if (cls.isArray()) {
            return TypeConverter.cvtArray(obj, cls);
        }
        if (cls == String.class) {
            return TypeConverter.cvtString(obj);
        }
        if (TypeConverter.isNumericClass(cls)) {
            if (obj instanceof OtpErlangLong) {
                final long res = ((OtpErlangLong) obj).longValue();
                if (cls == char.class || cls == Character.class) {
                    return (char) res;
                }
                if (cls == int.class || cls == Integer.class) {
                    return (int) res;
                }
                if (cls == byte.class || cls == Byte.class) {
                    return (byte) res;
                }
                if (cls == short.class || cls == Short.class) {
                    return (short) res;
                }
                if (cls == long.class || cls == Long.class) {
                    return res;
                }
            }
            throw new SignatureException(TypeConverter.WRONG_ARG_TYPE + obj.getClass().getName() + TypeConverter.CANT_CONVERT_TO + cls.getCanonicalName());
        }
        if (cls == boolean.class || cls == Boolean.class) {
            if (obj instanceof OtpErlangAtom) {
                final String s = ((OtpErlangAtom) obj).atomValue();
                if ("true".equals(s)) {
                    return true;
                }
                if ("false".equals(s)) {
                    return false;
                }
            }
            throw new SignatureException(TypeConverter.WRONG_ARG_TYPE + obj.getClass().getName() + TypeConverter.CANT_CONVERT_TO + cls.getCanonicalName());
        }
        if (Map.class.isAssignableFrom(cls)) {
            if (obj instanceof OtpErlangMap) {
                final Map<Object, Object> result = Maps.newHashMap();
                final OtpErlangMap map = (OtpErlangMap) obj;
                for (final OtpErlangObject key : map.keys()) {
                    final OtpErlangObject value = map.get(key);
                    result.put(TypeConverter.erlang2java(key, key.getClass()), TypeConverter.erlang2java(value, value.getClass()));
                }
                return result;
            }
            throw new SignatureException(TypeConverter.WRONG_ARG_TYPE + obj.getClass().getName() + TypeConverter.CANT_CONVERT_TO + cls.getCanonicalName());
        }
        if (Collection.class.isAssignableFrom(cls)) {
            if (obj instanceof OtpErlangList) {
                final OtpErlangObject[] list = ((OtpErlangList) obj).elements();
                final Object[] olist = new Object[list.length];
                for (int i = 0; i < list.length; i++) {
                    olist[i] = TypeConverter.erlang2java(list[i], list[i].getClass());
                }
                return Arrays.asList(olist);
            }
            throw new SignatureException(TypeConverter.WRONG_ARG_TYPE + obj.getClass().getName() + TypeConverter.CANT_CONVERT_TO + cls.getCanonicalName());
        }
        if (obj instanceof OtpErlangRef) {
            throw new SignatureException(TypeConverter.WRONG_ARG_TYPE + obj.getClass().getName() + TypeConverter.CANT_CONVERT_TO + cls.getCanonicalName());
        }
        return obj;
    } catch (final SignatureException e) {
        throw e;
    } catch (final Exception e) {
        throw new SignatureException(e);
    }
}