| /* Copyright 2004 The Apache Software Foundation |
| * |
| * 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 tools.util; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| /** |
| * Utilities to copy files, directories, etc. |
| */ |
| public class Util { |
| /** |
| * Helper to get the stack trace of an Exception as a String. |
| * |
| * @param t Use the stack trace of this exception. |
| * @return The stack trace as a String. |
| */ |
| public static String getStackTrace(Throwable t) { |
| if (t == null) { |
| return null; |
| } |
| |
| StringWriter sw = new StringWriter(); |
| t.printStackTrace(new PrintWriter(sw)); |
| return sw.toString(); |
| } |
| |
| /** |
| * Checks if a string is entirely whitespace |
| */ |
| public static boolean isWhiteSpace(String s) { |
| for (int i = 0; i < s.length(); i++) { |
| if (!Character.isWhitespace(s.charAt(i))) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } |
| |
| |