1 /* 2 * Copyright (C) 2012 Google Inc. 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 com.google.caliper.runner; 18 19 import com.google.common.base.Joiner; 20 import com.google.common.base.Splitter; 21 22 23 /** 24 * An exception created on the runner with the same stack trace as one thrown on the worker that 25 * reports the actual exception class and message in its message. 26 */ 27 final class ProxyWorkerException extends RuntimeException { 28 ProxyWorkerException(String stackTrace) { 29 super(formatMesssage(stackTrace)); 30 } 31 32 private static String formatMesssage(String stackTrace) { 33 StringBuilder builder = new StringBuilder(stackTrace.length() + 512) 34 .append("An exception occurred in a worker process. The stack trace is as follows:\n\t"); 35 Joiner.on("\n\t").appendTo(builder, Splitter.on('\n').split(stackTrace)); 36 return builder.toString(); 37 } 38 } 39
