1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package vogar.target; 18 19 import java.lang.reflect.Method; 20 import vogar.Result; 21 import vogar.monitor.TargetMonitor; 22 23 /** 24 * Runs a Java class with a main method. This includes jtreg tests. 25 */ 26 public final class MainRunner implements Runner { 27 28 private final TargetMonitor monitor; 29 private final Class<?> mainClass; 30 private final String[] args; 31 private final Method main; 32 33 public MainRunner(TargetMonitor monitor, Class<?> mainClass, String[] args) { 34 this.monitor = monitor; 35 this.mainClass = mainClass; 36 this.args = args; 37 try { 38 this.main = mainClass.getMethod("main", String[].class); 39 } catch (NoSuchMethodException e) { 40 // Don't create a MainRunner without first checking supports(). 41 throw new IllegalArgumentException(e); 42 } 43 } 44 45 public boolean run(Profiler profiler) { 46 monitor.outcomeStarted(getClass(), mainClass.getName()); 47 try { 48 if (profiler != null) { 49 profiler.start(); 50 } 51 main.invoke(null, new Object[] { args }); 52 monitor.outcomeFinished(Result.SUCCESS); 53 } catch (Throwable ex) { 54 ex.printStackTrace(); 55 monitor.outcomeFinished(Result.EXEC_FAILED); 56 } finally { 57 if (profiler != null) { 58 profiler.stop(); 59 } 60 } 61 return true; 62 } 63 } 64