/*

* Copyright (C) 2014-2015 Stichting Mapcode Foundation (http://www.mapcode.com)

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package com.mapcode;

import javax.annotation.Nonnull;

import javax.annotation.Nullable;

import static com.mapcode.Mapcode.getPrecisionFormat;

/**

* ----------------------------------------------------------------------------------------------

* Package private implementation class. For internal use within the Mapcode implementation only.

* ----------------------------------------------------------------------------------------------

*/

@SuppressWarnings("OverlyBroadThrowsClause")

class CheckArgs {

private CheckArgs() {

// Prevent instantiation.

}

static void checkNonnull(@Nonnull final String param, @Nullable final Object obj)

throws IllegalArgumentException {

if (obj == null) {

throw new IllegalArgumentException("Parameter " + param + " should not be null");

}

}

static void checkDefined(@Nonnull final String param, @Nonnull final Point point)

throws IllegalArgumentException {

checkNonnull(param, point);

if (!point.isDefined()) {

throw new IllegalArgumentException("Parameter " + param + " must be defined");

}

}

static void checkMapcodeCode(@Nonnull final String param, @Nullable final String code)

throws IllegalArgumentException {

checkNonnull(param, code);

// Throws an exception if the format is incorrect.

getPrecisionFormat(code);

}

}