001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.geronimo.mail.util; 021 022 import java.io.ByteArrayOutputStream; 023 import java.io.IOException; 024 import java.io.OutputStream; 025 026 /** 027 * @version $Rev: 467553 $ $Date: 2006-10-25 06:01:51 +0200 (Mi, 25. Okt 2006) $ 028 */ 029 public class UUEncode { 030 private static final Encoder encoder = new UUEncoder(); 031 032 /** 033 * encode the input data producing a UUEncoded byte array. 034 * 035 * @return a byte array containing the UUEncoded data. 036 */ 037 public static byte[] encode( 038 byte[] data) 039 { 040 return encode(data, 0, data.length); 041 } 042 043 /** 044 * encode the input data producing a UUEncoded byte array. 045 * 046 * @return a byte array containing the UUEncoded data. 047 */ 048 public static byte[] encode( 049 byte[] data, 050 int off, 051 int length) 052 { 053 ByteArrayOutputStream bOut = new ByteArrayOutputStream(); 054 055 try 056 { 057 encoder.encode(data, off, length, bOut); 058 } 059 catch (IOException e) 060 { 061 throw new RuntimeException("exception encoding UUEncoded string: " + e); 062 } 063 064 return bOut.toByteArray(); 065 } 066 067 /** 068 * UUEncode the byte data writing it to the given output stream. 069 * 070 * @return the number of bytes produced. 071 */ 072 public static int encode( 073 byte[] data, 074 OutputStream out) 075 throws IOException 076 { 077 return encoder.encode(data, 0, data.length, out); 078 } 079 080 /** 081 * UUEncode the byte data writing it to the given output stream. 082 * 083 * @return the number of bytes produced. 084 */ 085 public static int encode( 086 byte[] data, 087 int off, 088 int length, 089 OutputStream out) 090 throws IOException 091 { 092 return encoder.encode(data, 0, data.length, out); 093 } 094 095 /** 096 * decode the UUEncoded input data. It is assumed the input data is valid. 097 * 098 * @return a byte array representing the decoded data. 099 */ 100 public static byte[] decode( 101 byte[] data) 102 { 103 ByteArrayOutputStream bOut = new ByteArrayOutputStream(); 104 105 try 106 { 107 encoder.decode(data, 0, data.length, bOut); 108 } 109 catch (IOException e) 110 { 111 throw new RuntimeException("exception decoding UUEncoded string: " + e); 112 } 113 114 return bOut.toByteArray(); 115 } 116 117 /** 118 * decode the UUEncided String data. 119 * 120 * @return a byte array representing the decoded data. 121 */ 122 public static byte[] decode( 123 String data) 124 { 125 ByteArrayOutputStream bOut = new ByteArrayOutputStream(); 126 127 try 128 { 129 encoder.decode(data, bOut); 130 } 131 catch (IOException e) 132 { 133 throw new RuntimeException("exception decoding UUEncoded string: " + e); 134 } 135 136 return bOut.toByteArray(); 137 } 138 139 /** 140 * decode the UUEncoded encoded String data writing it to the given output stream. 141 * 142 * @return the number of bytes produced. 143 */ 144 public static int decode( 145 String data, 146 OutputStream out) 147 throws IOException 148 { 149 return encoder.decode(data, out); 150 } 151 } 152