1 /* 2 * Copyright 2012 Sebastian Annies, Hamburg 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 package com.coremedia.iso; 17 18 import java.io.UnsupportedEncodingException; 19 20 /** 21 * Converts <code>byte[]</code> -> <code>String</code> and vice versa. 22 */ 23 public final class Utf8 { 24 public static byte[] convert(String s) { 25 try { 26 if (s != null) { 27 return s.getBytes("UTF-8"); 28 } else { 29 return null; 30 } 31 } catch (UnsupportedEncodingException e) { 32 throw new Error(e); 33 } 34 } 35 36 public static String convert(byte[] b) { 37 try { 38 if (b != null) { 39 return new String(b, "UTF-8"); 40 } else { 41 return null; 42 } 43 } catch (UnsupportedEncodingException e) { 44 throw new Error(e); 45 } 46 } 47 48 public static int utf8StringLengthInBytes(String utf8) { 49 try { 50 if (utf8 != null) { 51 return utf8.getBytes("UTF-8").length; 52 } else { 53 return 0; 54 } 55 } catch (UnsupportedEncodingException e) { 56 throw new RuntimeException(); 57 } 58 } 59 } 60
