com.google.gwt.inject.client.multibindings.Preconditions Maven / Gradle / Ivy

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GIN (GWT INjection) brings automatic dependency injection to Google Web Toolkit client-side code. GIN is built on top of Guice and uses (a subset of) Guice's binding language.

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/*
 * Copyright 2013 Google Inc.
 *
 * 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.google.gwt.inject.client.multibindings;

/**
 * Utilities for performing precondition checks.
 */
class Preconditions {

  private Preconditions() {}

  static void checkState(boolean condition, String msg) {
    if (!condition) {
      throw new IllegalStateException(msg);
    }
  }

  static void checkState(boolean condition, String msg, Object arg) {
    if (!condition) {
      throw new IllegalStateException(msg + arg);
    }
  }
}