| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 groovy.util |
| |
| import java.lang.reflect.Constructor |
| |
| public abstract class HeadlessTestSupport { |
| private static boolean headless; |
| |
| /** |
| * A boolean indicating if we are running in headless mode. |
| * Check this flag if you believe your test may make use of AWT/Swing |
| * features, then simply return rather than running your test. |
| * |
| * @return true if running in headless mode |
| */ |
| public static boolean isHeadless() { |
| return headless |
| } |
| |
| /** |
| * Alias for isHeadless(). |
| * |
| * @return true if running in headless mode |
| */ |
| public static boolean getHeadless() { |
| return isHeadless() |
| } |
| |
| static { |
| try { |
| final Class jframe = Class.forName("javax.swing.JFrame") |
| final Constructor constructor = jframe.getConstructor([String] as Class[]) |
| constructor.newInstance(["testing"] as String[]) |
| headless = false |
| } catch (Throwable t) { |
| // any exception means headless |
| headless = true |
| } |
| } |
| |
| } |