/* * Copyright 2008-2011 the original author or 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.nominanuda.lang; import java.io.ByteArrayOutputStream; import java.io.PrintWriter; import com.nominanuda.code.ThreadSafe; @ThreadSafe public class Exceptions { public static String toStackTrace(Exception e) { try { ByteArrayOutputStream buf = new ByteArrayOutputStream(); PrintWriter writer = new PrintWriter(buf); e.printStackTrace(writer); writer.flush(); return new String(buf.toByteArray(), "UTF-8"); } catch (Exception ex) { throw new IllegalStateException(ex); } } public static Exception asException(Throwable t) { if(t instanceof Exception) { return (Exception)t; } else { return new RuntimeException(t); } } }