| /* |
| * Copyright (C) 2008 The Guava Authors |
| * |
| * 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.common.collect.testing; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Minimal GWT emulation of {@code com.google.common.collect.testing.Platform}. |
| * |
| * <p><strong>This .java file should never be consumed by javac.</strong> |
| * |
| * @author Hayward Chan |
| */ |
| final class Platform { |
| // Class.cast is not supported in GWT. |
| static void checkCast(Class<?> clazz, Object obj) {} |
| |
| static <T> T[] clone(T[] array) { |
| return (T[]) Arrays.copyOfRange(array, 0, array.length); |
| } |
| |
| // TODO: Consolidate different copies in one single place. |
| static String format(String template, Object... args) { |
| // start substituting the arguments into the '%s' placeholders |
| StringBuilder builder = new StringBuilder(template.length() + 16 * args.length); |
| int templateStart = 0; |
| int i = 0; |
| while (i < args.length) { |
| int placeholderStart = template.indexOf("%s", templateStart); |
| if (placeholderStart == -1) { |
| break; |
| } |
| builder.append(template.substring(templateStart, placeholderStart)); |
| builder.append(args[i++]); |
| templateStart = placeholderStart + 2; |
| } |
| builder.append(template.substring(templateStart)); |
| |
| // if we run out of placeholders, append the extra args in square braces |
| if (i < args.length) { |
| builder.append(" ["); |
| builder.append(args[i++]); |
| while (i < args.length) { |
| builder.append(", "); |
| builder.append(args[i++]); |
| } |
| builder.append("]"); |
| } |
| |
| return builder.toString(); |
| } |
| |
| private Platform() {} |
| } |