| /* |
| * 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.internal; |
| |
| import java.lang.reflect.Array; |
| |
| /** |
| * Static utility methods pertaining to object arrays. |
| * |
| * @author Kevin Bourrillion |
| */ |
| public final class ObjectArrays { |
| private ObjectArrays() {} |
| |
| /** |
| * Returns a new array of the given length with the same type as a reference |
| * array. |
| * |
| * @param reference any array of the desired type |
| * @param length the length of the new array |
| */ |
| public static <T> T[] newArray(T[] reference, int length) { |
| Class<?> type = reference.getClass().getComponentType(); |
| |
| // the cast is safe because result.getClass() == reference.getClass() |
| @SuppressWarnings("unchecked") |
| T[] result = (T[]) Array.newInstance(type, length); |
| return result; |
| } |
| } |