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:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonMethods(MethodBinding[] methods) {
    if (methods == null)
        return JsonNull.INSTANCE;
    JsonArray jsonElements = new JsonArray();
    for (MethodBinding method : methods) {
        jsonElements.add(toJsonMethod(method));
    }/*from   w  w w  . j  av a 2  s.  com*/
    return jsonElements;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonMethod(MethodBinding method) {
    JsonObject object = new JsonObject();
    object.addProperty("modifiers", method.getAccessFlags());
    object.addProperty("constructor", method.isConstructor());
    object.add("argumentNames", toJsonParametersName(method.sourceMethod()));
    object.add("annotations", toJsonAnnotations(method.getAnnotations()));
    object.add("defaultValue", toJsonDefaultValue(method.getDefaultValue()));
    object.add("exceptionTypeNames", toJsonExceptionTypeNames(method.thrownExceptions));
    object.add("genericSignature", method.genericSignature() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(method.genericSignature())));
    object.add("methodDescriptor",
            method.signature() == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(method.signature())));
    object.add("parameterAnnotations", toJsonParameterAnnotations(method));
    object.add("selector",
            method.selector == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(method.selector)));
    object.addProperty("tagBits", String.valueOf(method.getAnnotationTagBits()));
    object.addProperty("clinit", false);
    return object;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonParameterAnnotations(MethodBinding method) {
    AnnotationBinding[][] parameterAnnotations = method.getParameterAnnotations();
    if (parameterAnnotations == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (AnnotationBinding[] parameterAnnotation : parameterAnnotations) {
        array.add(toJsonAnnotations(parameterAnnotation));
    }/* www  . j  ava2 s .  co m*/
    return array;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonExceptionTypeNames(ReferenceBinding[] thrownExceptions) {
    if (thrownExceptions == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (ReferenceBinding exception : thrownExceptions) {
        array.add(new JsonPrimitive(new String(exception.constantPoolName())));
    }/*from  www  . j  av  a2s.  c  om*/
    return array;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.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", BinaryTypeConvector.toJsonConstant((Constant) defaultValue));
    } else if (defaultValue instanceof TypeBinding) {
        object.addProperty("class", new String(((TypeBinding) defaultValue).constantPoolName()));
    } else if (defaultValue instanceof AnnotationBinding) {
        object.add("annotation", toJsonAnnotation((AnnotationBinding) defaultValue));
    } else if (defaultValue instanceof FieldBinding) {
        FieldBinding signature = (FieldBinding) defaultValue;
        JsonObject enumSignature = new JsonObject();
        enumSignature.addProperty("typeName", new String(signature.type.signature()));
        enumSignature.addProperty("constantName", new String(signature.name));
        object.add("enum", enumSignature);
    } else if (defaultValue instanceof Object[]) {
        JsonArray array = new JsonArray();
        for (Object o : (Object[]) defaultValue) {
            array.add(toJsonDefaultValue(o));
        }// w  w w. j a  va  2 s.c o m
        object.add("array", array);
    }

    return object;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonParametersName(AbstractMethodDeclaration parameters) {
    if (parameters == null || parameters.arguments == null || parameters.arguments.length == 0)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();

    for (Argument parameter : parameters.arguments) {
        array.add(new JsonPrimitive(new String(parameter.binding.name)));
    }//from ww w.  j av a 2 s . c om
    return array;

}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

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

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonInterfaces(ReferenceBinding[] interfaces) {
    if (interfaces == null)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (ReferenceBinding anInterface : interfaces) {
        array.add(new JsonPrimitive(new String(anInterface.constantPoolName())));
    }//from w  ww . j  a  v  a 2 s.  c  o  m
    return array;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonFields(FieldBinding[] fields) {
    if (fields == null || fields.length == 0)
        return JsonNull.INSTANCE;
    JsonArray array = new JsonArray();
    for (FieldBinding field : fields) {
        array.add(toJsonField(field));/*from   w  ww  .  j av a2  s .  com*/
    }
    return array;
}

From source file:com.codenvy.ide.ext.java.server.TypeBindingConvector.java

License:Open Source License

private static JsonElement toJsonField(FieldBinding field) {
    JsonObject object = new JsonObject();
    object.addProperty("modifiers", field.modifiers);
    object.add("constant", BinaryTypeConvector.toJsonConstant(field.constant()));
    object.add("genericSignature", field.genericSignature() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(field.genericSignature())));
    object.add("name", field.name == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(field.name)));
    object.addProperty("tagBits", String.valueOf(field.tagBits));
    object.add("typeName",
            field.type == null ? JsonNull.INSTANCE : new JsonPrimitive(new String(field.type.signature())));
    object.add("annotations", toJsonAnnotations(field.getAnnotations()));
    return object;
}