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Example 1 with OtpErlangChar

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

the class TypeConverter method java2erlang.

@SuppressWarnings("boxing")
public static OtpErlangObject java2erlang(final Object obj, final Signature type) throws SignatureException {
    if (type.kind == 'x') {
        return TypeConverter.java2erlang(obj);
    }
    if (obj instanceof String) {
        return TypeConverter.cvtString(obj, type);
    }
    if (obj instanceof Character) {
        if (type.kind == 'i') {
            return new OtpErlangChar((Character) obj);
        }
        TypeConverter.failConversion(obj, type);
    }
    if (obj instanceof Number) {
        return TypeConverter.cvtNumber(obj, type);
    }
    if (obj instanceof Boolean) {
        if (type.kind == 'o') {
            return new OtpErlangAtom((Boolean) obj ? "true" : "false");
        }
        TypeConverter.failConversion(obj, type);
    }
    if (obj instanceof Collection<?>) {
        if (type.kind == 'l') {
            final Object[] v = ((Collection<?>) obj).toArray(new Object[] {});
            final OtpErlangObject[] vv = new OtpErlangObject[v.length];
            for (int i = 0; i < v.length; i++) {
                vv[i] = TypeConverter.java2erlang(v[i], type.content[0]);
            }
            return new OtpErlangList(vv);
        }
        TypeConverter.failConversion(obj, type);
    }
    if (obj instanceof Map<?, ?>) {
        if (type.kind == 'm') {
            @SuppressWarnings("unchecked") final Map<OtpErlangObject, OtpErlangObject> map = (Map<OtpErlangObject, OtpErlangObject>) obj;
            final int size = map.keySet().size();
            final OtpErlangObject[] keys = map.keySet().toArray(new OtpErlangObject[size]);
            final OtpErlangObject[] values = new OtpErlangObject[size];
            for (int i = 0; i < size; i++) {
                values[i] = map.get(keys[i]);
            }
            return new OtpErlangMap(keys, values);
        }
        TypeConverter.failConversion(obj, type);
    }
    if (obj instanceof OtpErlangPid) {
        return (OtpErlangPid) obj;
    }
    if (obj instanceof OtpErlangRef) {
        return (OtpErlangObject) obj;
    }
    if (obj instanceof OtpErlangBinary) {
        return (OtpErlangObject) obj;
    }
    if (obj instanceof OtpErlangObject) {
        TypeConverter.checkConversion(obj);
        return (OtpErlangObject) obj;
    }
    if (obj instanceof IConvertible) {
        return ((IConvertible) obj).toErlangObject();
    }
    if (obj != null && obj.getClass().isArray()) {
        final int len = Array.getLength(obj);
        // Class<?> component = obj.getClass().getComponentType();
        if (type.kind == 'b') {
            // TODO we can convert more things to binaries
            return new OtpErlangBinary(obj);
        }
        if (type.kind == 'l') {
            final OtpErlangObject[] vv = new OtpErlangObject[len];
            for (int i = 0; i < len; i++) {
                vv[i] = TypeConverter.java2erlang(Array.get(obj, i), type.content[0]);
            }
            return new OtpErlangList(vv);
        } else if (type.kind == 't') {
            final OtpErlangObject[] vv = new OtpErlangObject[len];
            for (int i = 0; i < len; i++) {
                vv[i] = TypeConverter.java2erlang(Array.get(obj, i), type.content[i]);
            }
            return new OtpErlangTuple(vv);
        } else {
            TypeConverter.failConversion(obj, type);
        }
    }
    if (type.kind == 's' && obj != null) {
        return new OtpErlangString(obj.toString());
    }
    if (type.kind == 'b' && obj != null) {
        return new OtpErlangBinary(obj.toString().getBytes());
    }
    TypeConverter.failConversion(obj, type);
    return null;
}
Also used : OtpErlangChar(com.ericsson.otp.erlang.OtpErlangChar) OtpErlangList(com.ericsson.otp.erlang.OtpErlangList) OtpErlangMap(com.ericsson.otp.erlang.OtpErlangMap) OtpErlangString(com.ericsson.otp.erlang.OtpErlangString) OtpErlangAtom(com.ericsson.otp.erlang.OtpErlangAtom) OtpErlangBinary(com.ericsson.otp.erlang.OtpErlangBinary) OtpErlangPid(com.ericsson.otp.erlang.OtpErlangPid) OtpErlangObject(com.ericsson.otp.erlang.OtpErlangObject) Collection(java.util.Collection) OtpErlangObject(com.ericsson.otp.erlang.OtpErlangObject) OtpErlangTuple(com.ericsson.otp.erlang.OtpErlangTuple) OtpErlangRef(com.ericsson.otp.erlang.OtpErlangRef) Map(java.util.Map) OtpErlangMap(com.ericsson.otp.erlang.OtpErlangMap) OtpErlangString(com.ericsson.otp.erlang.OtpErlangString)

Aggregations

OtpErlangAtom (com.ericsson.otp.erlang.OtpErlangAtom)1 OtpErlangBinary (com.ericsson.otp.erlang.OtpErlangBinary)1 OtpErlangChar (com.ericsson.otp.erlang.OtpErlangChar)1 OtpErlangList (com.ericsson.otp.erlang.OtpErlangList)1 OtpErlangMap (com.ericsson.otp.erlang.OtpErlangMap)1 OtpErlangObject (com.ericsson.otp.erlang.OtpErlangObject)1 OtpErlangPid (com.ericsson.otp.erlang.OtpErlangPid)1 OtpErlangRef (com.ericsson.otp.erlang.OtpErlangRef)1 OtpErlangString (com.ericsson.otp.erlang.OtpErlangString)1 OtpErlangTuple (com.ericsson.otp.erlang.OtpErlangTuple)1 Collection (java.util.Collection)1 Map (java.util.Map)1