| /* |
| * Copyright (C) 2007 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.inject.util; |
| |
| import com.google.inject.Provider; |
| |
| /** |
| * Static utility methods for creating and working with instances of |
| * {@link Provider}. |
| * |
| * @author Kevin Bourrillion (kevinb9n@gmail.com) |
| */ |
| public final class Providers { |
| |
| private Providers() {} |
| |
| /** |
| * Returns a provider which always provides {@code instance}. This should not |
| * be necessary to use in your application, but is helpful for several types |
| * of unit tests. |
| * |
| * @param instance the instance that should always be provided. This is also |
| * permitted to be null, to enable aggressive testing, although in real |
| * life a Guice-supplied Provider will never return null. |
| */ |
| public static <T> Provider<T> of(final T instance) { |
| return new Provider<T>() { |
| public T get() { |
| return instance; |
| } |
| }; |
| } |
| } |