| /* |
| |
| Derby - Class org.apache.derbyTesting.functionTests.util.Formatters |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.derbyTesting.functionTests.util; |
| |
| |
| public class Formatters { |
| |
| static final char[] hexDigits = { '0', '1', '2', '3', |
| '4', '5', '6', '7', |
| '8', '9', 'A', 'B', |
| 'C', 'D', 'E', 'F' }; |
| |
| /** This method converts the non-ASCII characters in the input |
| * parameter to unicode escape sequences. |
| * @param in String to format |
| * @return String containing unicode escape sequences for non-ASCII chars |
| */ |
| public static String format(String in) { |
| if (in == null) |
| return null; |
| |
| StringBuffer out = new StringBuffer(in.length()); |
| char hexValue[] = new char[4]; |
| |
| for (int i = 0; i < in.length(); i++) { |
| char inChar = in.charAt(i); |
| |
| if (inChar < 128) { |
| out.append(inChar); |
| } else { |
| out.append("\\u"); |
| |
| int number = (int) inChar; |
| |
| int digit = number % 16; |
| |
| hexValue[3] = hexDigits[digit]; |
| |
| number /= 16; |
| |
| digit = number % 16; |
| |
| hexValue[2] = hexDigits[digit]; |
| |
| number /= 16; |
| |
| digit = number %16; |
| |
| hexValue[1] = hexDigits[digit]; |
| |
| number /= 16; |
| |
| digit = number % 16; |
| |
| hexValue[0] = hexDigits[digit]; |
| |
| out.append(hexValue); |
| } |
| } |
| |
| return out.toString(); |
| } |
| |
| |
| /** |
| * repeatChar is used to create strings of varying lengths. |
| * called from various tests to test edge cases and such. |
| * |
| * @param c character to repeat |
| * @param repeatCount Number of times to repeat character |
| * @return String of repeatCount characters c |
| */ |
| public static String repeatChar(String c, int repeatCount) |
| { |
| char ch = c.charAt(0); |
| |
| char[] chArray = new char[repeatCount]; |
| for (int i = 0; i < repeatCount; i++) |
| { |
| chArray[i] = ch; |
| } |
| |
| return new String(chArray); |
| |
| } |
| |
| /** |
| * Pads out a string to the specified size |
| * |
| * @param oldValue value to be padded |
| * @param size size of resulting string |
| * @return oldValue padded with spaces to the specified size |
| */ |
| public static String padString(String oldValue, int size) |
| { |
| String newValue = oldValue; |
| if (newValue != null) |
| { |
| char [] newCharArr = new char[size]; |
| oldValue.getChars(0,oldValue.length(),newCharArr,0); |
| java.util.Arrays.fill(newCharArr,oldValue.length(), |
| newCharArr.length -1, ' '); |
| newValue = new String (newCharArr); |
| } |
| |
| return newValue; |
| } |
| |
| } |