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annotate src/org/eclipse/jetty/util/StringUtil.java @ 867:4f5547d29192

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 02 Oct 2016 21:06:18 -0600
parents 3242aff51053
children 8d0bdd357e6e
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rev   line source
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.util;
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20
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21 import java.io.UnsupportedEncodingException;
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22 import java.nio.charset.Charset;
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23
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24 import org.slf4j.Logger;
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25 import org.slf4j.LoggerFactory;
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26
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27 /** Fast String Utilities.
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28 *
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29 * These string utilities provide both conveniance methods and
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30 * performance improvements over most standard library versions. The
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31 * main aim of the optimizations is to avoid object creation unless
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32 * absolutely required.
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33 *
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34 *
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35 */
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36 public class StringUtil
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37 {
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38 private static final Logger LOG = LoggerFactory.getLogger(StringUtil.class);
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39
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40 public static final String ALL_INTERFACES="0.0.0.0";
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41 public static final String CRLF="\015\012";
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42
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43 public static final String __ISO_8859_1="ISO-8859-1";
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44 public final static String __UTF8="UTF-8";
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45 public final static String __UTF8Alt="UTF8";
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46 public final static String __UTF16="UTF-16";
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47
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48 public final static Charset __UTF8_CHARSET;
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49 public final static Charset __ISO_8859_1_CHARSET;
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50
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51 static
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52 {
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53 __UTF8_CHARSET=Charset.forName(__UTF8);
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54 __ISO_8859_1_CHARSET=Charset.forName(__ISO_8859_1);
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55 }
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56
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57 private static char[] lowercases = {
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58 '\000','\001','\002','\003','\004','\005','\006','\007',
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59 '\010','\011','\012','\013','\014','\015','\016','\017',
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60 '\020','\021','\022','\023','\024','\025','\026','\027',
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61 '\030','\031','\032','\033','\034','\035','\036','\037',
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62 '\040','\041','\042','\043','\044','\045','\046','\047',
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63 '\050','\051','\052','\053','\054','\055','\056','\057',
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64 '\060','\061','\062','\063','\064','\065','\066','\067',
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65 '\070','\071','\072','\073','\074','\075','\076','\077',
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66 '\100','\141','\142','\143','\144','\145','\146','\147',
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67 '\150','\151','\152','\153','\154','\155','\156','\157',
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68 '\160','\161','\162','\163','\164','\165','\166','\167',
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69 '\170','\171','\172','\133','\134','\135','\136','\137',
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70 '\140','\141','\142','\143','\144','\145','\146','\147',
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71 '\150','\151','\152','\153','\154','\155','\156','\157',
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72 '\160','\161','\162','\163','\164','\165','\166','\167',
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73 '\170','\171','\172','\173','\174','\175','\176','\177' };
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74
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75 /* ------------------------------------------------------------ */
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76 /**
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77 * fast lower case conversion. Only works on ascii (not unicode)
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78 * @param s the string to convert
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79 * @return a lower case version of s
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80 */
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81 public static String asciiToLowerCase(String s)
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82 {
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83 char[] c = null;
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84 int i=s.length();
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85
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86 // look for first conversion
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87 while (i-->0)
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88 {
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89 char c1=s.charAt(i);
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90 if (c1<=127)
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91 {
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92 char c2=lowercases[c1];
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93 if (c1!=c2)
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94 {
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95 c=s.toCharArray();
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96 c[i]=c2;
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97 break;
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98 }
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99 }
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100 }
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101
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102 while (i-->0)
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103 {
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104 if(c[i]<=127)
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105 c[i] = lowercases[c[i]];
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106 }
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107
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108 return c==null?s:new String(c);
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109 }
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110
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111
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112 /* ------------------------------------------------------------ */
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113 public static boolean startsWithIgnoreCase(String s,String w)
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114 {
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115 if (w==null)
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116 return true;
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117
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118 if (s==null || s.length()<w.length())
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119 return false;
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120
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121 for (int i=0;i<w.length();i++)
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122 {
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123 char c1=s.charAt(i);
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124 char c2=w.charAt(i);
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125 if (c1!=c2)
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126 {
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127 if (c1<=127)
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128 c1=lowercases[c1];
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129 if (c2<=127)
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130 c2=lowercases[c2];
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131 if (c1!=c2)
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132 return false;
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133 }
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134 }
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135 return true;
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136 }
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137
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138 /* ------------------------------------------------------------ */
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139 public static boolean endsWithIgnoreCase(String s,String w)
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140 {
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141 if (w==null)
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142 return true;
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143
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144 if (s==null)
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145 return false;
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146
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147 int sl=s.length();
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148 int wl=w.length();
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149
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150 if (sl<wl)
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151 return false;
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152
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153 for (int i=wl;i-->0;)
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154 {
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155 char c1=s.charAt(--sl);
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156 char c2=w.charAt(i);
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157 if (c1!=c2)
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158 {
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159 if (c1<=127)
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160 c1=lowercases[c1];
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161 if (c2<=127)
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162 c2=lowercases[c2];
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163 if (c1!=c2)
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164 return false;
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165 }
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166 }
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167 return true;
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168 }
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169
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170 /* ------------------------------------------------------------ */
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171 /**
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172 * returns the next index of a character from the chars string
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173 */
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174 public static int indexFrom(String s,String chars)
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175 {
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176 for (int i=0;i<s.length();i++)
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177 if (chars.indexOf(s.charAt(i))>=0)
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178 return i;
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179 return -1;
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180 }
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181
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182 /* ------------------------------------------------------------ */
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183 /**
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184 * replace substrings within string.
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185 */
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186 public static String replace(String s, String sub, String with)
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187 {
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188 int c=0;
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189 int i=s.indexOf(sub,c);
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190 if (i == -1)
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191 return s;
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192
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193 StringBuilder buf = new StringBuilder(s.length()+with.length());
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194
853
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195 do
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196 {
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197 buf.append(s.substring(c,i));
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198 buf.append(with);
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199 c=i+sub.length();
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200 } while ((i=s.indexOf(sub,c))!=-1);
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201
853
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202 if (c<s.length())
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203 buf.append(s.substring(c,s.length()));
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204
853
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205 return buf.toString();
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206
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207 }
802
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208
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209
853
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210 /* ------------------------------------------------------------ */
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211 /** Remove single or double quotes.
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212 */
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213 public static String unquote(String s)
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214 {
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215 return QuotedStringTokenizer.unquote(s);
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216 }
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217
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218
853
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219 /* ------------------------------------------------------------ */
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220 /** Append substring to StringBuilder
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221 * @param buf StringBuilder to append to
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222 * @param s String to append from
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223 * @param offset The offset of the substring
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224 * @param length The length of the substring
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225 */
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226 public static void append(StringBuilder buf,
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227 String s,
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228 int offset,
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229 int length)
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230 {
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diff changeset
231 synchronized(buf)
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232 {
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233 int end=offset+length;
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234 for (int i=offset; i<end;i++)
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235 {
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236 if (i>=s.length())
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237 break;
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238 buf.append(s.charAt(i));
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239 }
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240 }
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241 }
802
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242
853
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243
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244 /* ------------------------------------------------------------ */
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245 /**
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246 * append hex digit
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247 *
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248 */
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249 public static void append(StringBuilder buf,byte b,int base)
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250 {
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diff changeset
251 int bi=0xff&b;
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252 int c='0'+(bi/base)%base;
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253 if (c>'9')
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254 c= 'a'+(c-'0'-10);
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255 buf.append((char)c);
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256 c='0'+bi%base;
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257 if (c>'9')
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258 c= 'a'+(c-'0'-10);
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259 buf.append((char)c);
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260 }
802
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261
853
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diff changeset
262 /* ------------------------------------------------------------ */
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263 public static void append2digits(StringBuffer buf,int i)
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264 {
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265 if (i<100)
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266 {
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267 buf.append((char)(i/10+'0'));
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268 buf.append((char)(i%10+'0'));
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269 }
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270 }
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271
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272 /* ------------------------------------------------------------ */
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273 public static void append2digits(StringBuilder buf,int i)
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274 {
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275 if (i<100)
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276 {
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277 buf.append((char)(i/10+'0'));
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278 buf.append((char)(i%10+'0'));
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279 }
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280 }
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281
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diff changeset
282 /* ------------------------------------------------------------ */
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283 /** Return a non null string.
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284 * @param s String
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285 * @return The string passed in or empty string if it is null.
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286 */
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diff changeset
287 public static String nonNull(String s)
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288 {
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289 if (s==null)
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290 return "";
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291 return s;
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292 }
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293
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294 /* ------------------------------------------------------------ */
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295 public static boolean equals(String s,char[] buf, int offset, int length)
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296 {
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297 if (s.length()!=length)
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298 return false;
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299 for (int i=0;i<length;i++)
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300 if (buf[offset+i]!=s.charAt(i))
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301 return false;
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diff changeset
302 return true;
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diff changeset
303 }
802
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304
853
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305 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
306 public static String toUTF8String(byte[] b,int offset,int length)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
307 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
308 try
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
309 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
310 return new String(b,offset,length,__UTF8);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
311 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
312 catch (UnsupportedEncodingException e)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
313 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
314 throw new IllegalArgumentException(e);
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parents: 820
diff changeset
315 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
316 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
317
853
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
318 /* ------------------------------------------------------------ */
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parents: 820
diff changeset
319 public static String toString(byte[] b,int offset,int length,String charset)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
320 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
321 try
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
322 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
323 return new String(b,offset,length,charset);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
324 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
325 catch (UnsupportedEncodingException e)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
326 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
327 throw new IllegalArgumentException(e);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
328 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
329 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
330
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
331
853
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
332 /* ------------------------------------------------------------ */
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
333 public static boolean isUTF8(String charset)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
334 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
335 return __UTF8.equalsIgnoreCase(charset)||__UTF8Alt.equalsIgnoreCase(charset);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
336 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
337
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
338
853
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
339 /* ------------------------------------------------------------ */
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
340 public static String printable(String name)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
341 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
342 if (name==null)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
343 return null;
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
344 StringBuilder buf = new StringBuilder(name.length());
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
345 for (int i=0;i<name.length();i++)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
346 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
347 char c=name.charAt(i);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
348 if (!Character.isISOControl(c))
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
349 buf.append(c);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
350 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
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parents: 820
diff changeset
351 return buf.toString();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
352 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
353
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
354 /* ------------------------------------------------------------ */
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
355 public static String printable(byte[] b)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
356 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
357 StringBuilder buf = new StringBuilder();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
358 for (int i=0;i<b.length;i++)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
359 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
360 char c=(char)b[i];
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
361 if (Character.isWhitespace(c)|| c>' ' && c<0x7f)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
362 buf.append(c);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
363 else
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
364 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
365 buf.append("0x");
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
366 TypeUtil.toHex(b[i],buf);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
367 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
368 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
369 return buf.toString();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
370 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
371
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
372 public static byte[] getBytes(String s)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
373 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
374 try
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
375 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
376 return s.getBytes(__ISO_8859_1);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
377 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
378 catch(Exception e)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
379 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
380 LOG.warn("",e);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
381 return s.getBytes();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
382 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
383 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
384
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
385 public static byte[] getBytes(String s,String charset)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
386 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
387 try
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
388 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
389 return s.getBytes(charset);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
390 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
391 catch(Exception e)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
392 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
393 LOG.warn("",e);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
394 return s.getBytes();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
395 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
396 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
397
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
398
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
399
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
400 /**
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
401 * Converts a binary SID to a string SID
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
402 *
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
403 * http://en.wikipedia.org/wiki/Security_Identifier
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
404 *
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
405 * S-1-IdentifierAuthority-SubAuthority1-SubAuthority2-...-SubAuthorityn
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
406 */
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
407 public static String sidBytesToString(byte[] sidBytes)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
408 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
409 StringBuilder sidString = new StringBuilder();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
410
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
411 // Identify this as a SID
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
412 sidString.append("S-");
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
413
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
414 // Add SID revision level (expect 1 but may change someday)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
415 sidString.append(Byte.toString(sidBytes[0])).append('-');
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
416
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
417 StringBuilder tmpBuilder = new StringBuilder();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
418
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
419 // crunch the six bytes of issuing authority value
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
420 for (int i = 2; i <= 7; ++i)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
421 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
422 tmpBuilder.append(Integer.toHexString(sidBytes[i] & 0xFF));
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
423 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
424
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
425 sidString.append(Long.parseLong(tmpBuilder.toString(), 16)); // '-' is in the subauth loop
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
426
853
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
427 // the number of subAuthorities we need to attach
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
428 int subAuthorityCount = sidBytes[1];
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
429
853
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
430 // attach each of the subAuthorities
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
431 for (int i = 0; i < subAuthorityCount; ++i)
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
432 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
433 int offset = i * 4;
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
434 tmpBuilder.setLength(0);
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
435 // these need to be zero padded hex and little endian
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
436 tmpBuilder.append(String.format("%02X%02X%02X%02X",
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
437 (sidBytes[11 + offset] & 0xFF),
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
438 (sidBytes[10 + offset] & 0xFF),
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
439 (sidBytes[9 + offset] & 0xFF),
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
440 (sidBytes[8 + offset] & 0xFF)));
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
441 sidString.append('-').append(Long.parseLong(tmpBuilder.toString(), 16));
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
442 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
443
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
444 return sidString.toString();
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
445 }
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
446
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
447 /**
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
448 * Converts a string SID to a binary SID
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
449 *
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
450 * http://en.wikipedia.org/wiki/Security_Identifier
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
451 *
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
452 * S-1-IdentifierAuthority-SubAuthority1-SubAuthority2-...-SubAuthorityn
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
453 */
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
454 public static byte[] sidStringToBytes( String sidString )
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
455 {
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
456 String[] sidTokens = sidString.split("-");
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
457
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
458 int subAuthorityCount = sidTokens.length - 3; // S-Rev-IdAuth-
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
459
3242aff51053 remove RolloverFileOutputStream and cleanup NCSARequestLog
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
460 int byteCount = 0;
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461 byte[] sidBytes = new byte[1 + 1 + 6 + (4 * subAuthorityCount)];
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462
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463 // the revision byte
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464 sidBytes[byteCount++] = (byte)Integer.parseInt(sidTokens[1]);
802
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465
853
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466 // the # of sub authorities byte
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467 sidBytes[byteCount++] = (byte)subAuthorityCount;
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468
853
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469 // the certAuthority
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470 String hexStr = Long.toHexString(Long.parseLong(sidTokens[2]));
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471
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472 while( hexStr.length() < 12) // pad to 12 characters
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473 {
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474 hexStr = "0" + hexStr;
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475 }
802
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476
853
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477 // place the certAuthority 6 bytes
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478 for ( int i = 0 ; i < hexStr.length(); i = i + 2)
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479 {
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480 sidBytes[byteCount++] = (byte)Integer.parseInt(hexStr.substring(i, i + 2),16);
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481 }
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482
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483
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484 for ( int i = 3; i < sidTokens.length ; ++i)
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485 {
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486 hexStr = Long.toHexString(Long.parseLong(sidTokens[i]));
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487
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488 while( hexStr.length() < 8) // pad to 8 characters
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489 {
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490 hexStr = "0" + hexStr;
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491 }
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492
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493 // place the inverted sub authorities, 4 bytes each
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494 for ( int j = hexStr.length(); j > 0; j = j - 2)
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495 {
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496 sidBytes[byteCount++] = (byte)Integer.parseInt(hexStr.substring(j-2, j),16);
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497 }
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498 }
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499
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500 return sidBytes;
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501 }
802
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502 }