Example usage for com.google.gson JsonNull INSTANCE

Introduction

In this page you can find the example usage for com.google.gson JsonNull INSTANCE.

Prototype

JsonNull INSTANCE

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Document

singleton for JsonNull

Usage

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonFields(IBinaryField[] fields) {
    if (fields == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (IBinaryField field : fields) {
        array.add(toJsonField(field));/*  w w w . ja v  a  2s. c o m*/
    }
    return array;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonField(IBinaryField field) {
    JsonObject object = new JsonObject();
    object.addProperty("modifiers", field.getModifiers());
    object.add("constant", toJsonConstant(field.getConstant()));
    object.add("genericSignature", field.getGenericSignature() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(field.getGenericSignature())));
    object.add("name",
            field.getName() == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(field.getName())));
    object.addProperty("tagBits", String.valueOf(field.getTagBits()));
    object.add("typeName", field.getTypeName() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(field.getTypeName())));
    object.add("annotations", toJsonAnnotations(field.getAnnotations()));
    return object;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

public static JsonElement toJsonConstant(Constant constant) {
    if (constant == null)
        return JsonNull.INSTANCE;
    JsonObject con = new JsonObject();
    con.addProperty("typeId", constant.typeID());
    JsonElement val;
    switch (constant.typeID()) {
    case T_int:
        val = new JsonPrimitive(constant.intValue());
        break;/*from   w  w  w .  jav  a 2s . com*/
    case T_byte:
        val = new JsonPrimitive(constant.byteValue());
        break;
    case T_short:
        val = new JsonPrimitive(constant.shortValue());
        break;
    case T_char:
        val = new JsonPrimitive(constant.charValue());
        break;
    case T_float:
        val = new JsonPrimitive(String.valueOf(constant.floatValue()));
        break;
    case T_double:
        if (Constant.NotAConstant.equals(constant)) {
            val = new JsonPrimitive("NaN");
            con.addProperty("NotAConstant", 1);
        } else {
            val = new JsonPrimitive(constant.stringValue());
        }
        break;
    case T_boolean:
        val = new JsonPrimitive(constant.booleanValue());
        break;
    case T_long:
        val = new JsonPrimitive(String.valueOf(constant.longValue()));
        break;
    case T_JavaLangString:
        val = new JsonPrimitive(constant.stringValue());
        break;
    default:
        val = JsonNull.INSTANCE;
    }
    con.add("value", val);
    return con;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonAnnotations(IBinaryAnnotation[] annotations) {
    if (annotations == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (IBinaryAnnotation annotation : annotations) {
        array.add(toJsonAnnotation(annotation));
    }/*from   w w  w. j av a 2 s  . co  m*/
    return array;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonAnnotation(IBinaryAnnotation annotation) {
    JsonObject object = new JsonObject();
    object.add("typeName", annotation.getTypeName() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(annotation.getTypeName())));
    object.add("elementValuePairs", toJsonElementValuePairs(annotation.getElementValuePairs()));
    return object;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonElementValuePairs(IBinaryElementValuePair[] elementValuePairs) {
    if (elementValuePairs == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (IBinaryElementValuePair pair : elementValuePairs) {
        array.add(toJsonElementValuePair(pair));
    }/* w w  w  .  ja  va2 s. co m*/
    return array;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonElementValuePair(IBinaryElementValuePair pair) {
    JsonObject object = new JsonObject();
    object.add("name",
            pair.getName() == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(pair.getName())));
    object.add("value", toJsonDefaultValue(pair.getValue()));
    return object;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonDefaultValue(Object defaultValue) {
    if (defaultValue == null)
        return JsonNull.INSTANCE;
    JsonObject object = new JsonObject();
    if (defaultValue instanceof Constant) {
        object.add("constant", toJsonConstant((Constant) defaultValue));
    } else if (defaultValue instanceof ClassSignature) {
        object.addProperty("class", new String(((ClassSignature) defaultValue).getTypeName()));
    } else if (defaultValue instanceof IBinaryAnnotation) {
        object.add("annotation", toJsonAnnotation((IBinaryAnnotation) defaultValue));
    } else if (defaultValue instanceof EnumConstantSignature) {
        EnumConstantSignature signature = (EnumConstantSignature) defaultValue;
        JsonObject enumSignature = new JsonObject();
        enumSignature.addProperty("typeName", new String(signature.getTypeName()));
        enumSignature.addProperty("constantName", new String(signature.getEnumConstantName()));
        object.add("enum", enumSignature);
    } else if (defaultValue instanceof Object[]) {
        JsonArray array = new JsonArray();
        for (Object o : (Object[]) defaultValue) {
            array.add(toJsonDefaultValue(o));
        }//from w w  w  .j a v a  2 s  .c om
        object.add("array", array);
    }

    return object;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonMemberTypes(IBinaryNestedType[] memberTypes) {
    if (memberTypes == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (IBinaryNestedType type : memberTypes) {
        array.add(toJsonMemberType(type));
    }/*from   w ww  .  j  ava  2s .co m*/
    return array;
}

From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonMemberType(IBinaryNestedType type) {
    JsonObject object = new JsonObject();
    object.add("enclosingTypeName", type.getEnclosingTypeName() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(type.getEnclosingTypeName())));
    object.addProperty("modifiers", type.getModifiers());
    object.add("name",
            type.getName() == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(type.getName())));
    return object;
}