1 /* 2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package vm.mlvm.share; 25 26 import java.util.List; 27 import java.util.ArrayList; 28 import vm.share.options.OptionObjectFactory; 29 import java.util.regex.Pattern; 30 31 /** 32 * Implementation of vm.share.options.OptionObjectFactory interface. 33 * Parses the comma-separated list of exception class names. 34 * 35 * @see vm.mlvm.share.MlvmTest 36 * @see vm.mlvm.share.MlvmTestExecutor#launch(Class<?> testClass, Object[] constructorArgs) 37 * 38 */ 39 40 public class ExceptionsOptionObjectFactory implements OptionObjectFactory<List<Class<? extends Throwable>>> { 41 42 private static final String DESCRIPTION = "list of exception class names separated by comma"; 43 44 @Override 45 public String getPlaceholder() { 46 return DESCRIPTION; 47 } 48 49 @Override 50 public String getDescription() { 51 return DESCRIPTION; 52 } 53 54 @Override 55 public String getParameterDescription(String param) { 56 return "exception of type " + param; 57 } 58 59 @Override 60 public String[] getPossibleValues() { 61 return new String[] { Throwable.class.getName() }; 62 } 63 64 @Override 65 public String getDefaultValue() { 66 return ""; 67 } 68 69 @Override 70 public List<Class<? extends Throwable>> getObject(String classNameList) { 71 List<Class<? extends Throwable>> result = new ArrayList<>(); 72 classNameList = classNameList.trim(); 73 74 if (!classNameList.isEmpty()) { 75 for (String className : classNameList.split(",")) { 76 result.add(getClassFor(className.trim())); 77 } 78 } 79 80 return result; 81 } 82 83 private static Class<? extends Throwable> getClassFor(String className) { 84 try { 85 return Class.forName(className).asSubclass(Throwable.class); 86 } catch (ClassNotFoundException e) { 87 throw new RuntimeException("Cannot find class '" + className + "'", e); 88 } catch (ClassCastException e) { 89 throw new RuntimeException("Subclass of " + Throwable.class.getName() + " should be specified. Cannot cast '" + className + "' to the Throwable", e); 90 } 91 } 92 }