| Line | Hits | Note | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * $Id: XsdUtil.java 1392 2009-04-04 13:16:54Z amandel $ | ||
| 3 | * | ||
| 4 | * Copyright 2006, The jCoderZ.org Project. All rights reserved. | ||
| 5 | * | ||
| 6 | * Redistribution and use in source and binary forms, with or without | ||
| 7 | * modification, are permitted provided that the following conditions are | ||
| 8 | * met: | ||
| 9 | * | ||
| 10 | * * Redistributions of source code must retain the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer. | ||
| 12 | * * Redistributions in binary form must reproduce the above | ||
| 13 | * copyright notice, this list of conditions and the following | ||
| 14 | * disclaimer in the documentation and/or other materials | ||
| 15 | * provided with the distribution. | ||
| 16 | * * Neither the name of the jCoderZ.org Project nor the names of | ||
| 17 | * its contributors may be used to endorse or promote products | ||
| 18 | * derived from this software without specific prior written | ||
| 19 | * permission. | ||
| 20 | * | ||
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND | ||
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS | ||
| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | ||
| 28 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
| 29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
| 30 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | ||
| 31 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 32 | */ | ||
| 33 | package org.jcoderz.commons.util; | ||
| 34 | |||
| 35 | import java.math.BigInteger; | ||
| 36 | import java.util.Calendar; | ||
| 37 | |||
| 38 | import javax.xml.bind.DatatypeConverter; | ||
| 39 | |||
| 40 | import org.jcoderz.commons.types.Date; | ||
| 41 | |||
| 42 | /** | ||
| 43 | * This class encapsulates util methods used for schema data type handling. | ||
| 44 | * | ||
| 45 | * @author Andreas Mandel | ||
| 46 | */ | ||
| 47 | public final class XsdUtil | ||
| 48 | { | ||
| 49 | /** No instances allowed. */ | ||
| 50 | private XsdUtil () | ||
| 51 | 0 | { | |
| 52 | // utility class -- only static methods. | ||
| 53 | 0 | } | |
| 54 | |||
| 55 | /** | ||
| 56 | * Parses the given string into a BigInteger. | ||
| 57 | * This method uses {@link BigInteger#BigInteger(java.lang.String)} to | ||
| 58 | * parse the string, but allows a optional leading '+' for positive | ||
| 59 | * values. | ||
| 60 | * @param str the string to be parsed. | ||
| 61 | * @return a BigInteger representing the same value as the string. | ||
| 62 | * @throws NumberFormatException if the string can not be parsed. | ||
| 63 | * @throws NullPointerException if the string is null. | ||
| 64 | */ | ||
| 65 | public static BigInteger integerFromString (String str) | ||
| 66 | throws NumberFormatException, NullPointerException | ||
| 67 | { | ||
| 68 | 100 | if (str.length() == 0) | |
| 69 | { | ||
| 70 | 100 | throw new NumberFormatException(); | |
| 71 | } | ||
| 72 | 100 | final char startChar = str.charAt(0); | |
| 73 | // this is different in JDK1.4.2 vs. 1.5.0! | ||
| 74 | // we need to do it consistent, as defined with the schema spec. | ||
| 75 | 100 | if ((startChar == '+' || startChar == '-') | |
| 76 | && str.length() > 1 | ||
| 77 | && (str.charAt(1) < '0' || str.charAt(1) > '9')) | ||
| 78 | { | ||
| 79 | 100 | throw new NumberFormatException(); | |
| 80 | } | ||
| 81 | final String argument; | ||
| 82 | 100 | if (startChar == '+') | |
| 83 | { | ||
| 84 | 100 | argument = str.substring(1); | |
| 85 | } | ||
| 86 | else | ||
| 87 | { | ||
| 88 | 100 | argument = str; | |
| 89 | } | ||
| 90 | |||
| 91 | 100 | return new BigInteger(argument); | |
| 92 | } | ||
| 93 | |||
| 94 | /** | ||
| 95 | * Parses the given string into a int. | ||
| 96 | * This method uses {@link Integer#parseInt(java.lang.String)} to | ||
| 97 | * parse the string, but allows a optional leading '+' for positive | ||
| 98 | * values. | ||
| 99 | * @param str the string to be parsed. | ||
| 100 | * @return a int representing the same value as the string. | ||
| 101 | * @throws NumberFormatException if the string can not be parsed. | ||
| 102 | * @throws NullPointerException if the string is null. | ||
| 103 | */ | ||
| 104 | public static int intFromString (String str) | ||
| 105 | throws NumberFormatException, NullPointerException | ||
| 106 | { | ||
| 107 | final String argument; | ||
| 108 | 100 | (1) | if (str.startsWith("+") && str.length() > 1 |
| 109 | && str.charAt(1) != '-' && str.charAt(1) != '+') | ||
| 110 | { | ||
| 111 | 100 | argument = str.substring(1); | |
| 112 | } | ||
| 113 | else | ||
| 114 | { | ||
| 115 | 100 | argument = str; | |
| 116 | } | ||
| 117 | 100 | return Integer.parseInt(argument); | |
| 118 | } | ||
| 119 | |||
| 120 | /** | ||
| 121 | * Parses the given string into a long. | ||
| 122 | * This method uses {@link Long#parseLong(java.lang.String)} to | ||
| 123 | * parse the string, but allows a optional leading '+' for positive | ||
| 124 | * values. | ||
| 125 | * @param str the string to be parsed. | ||
| 126 | * @return a long representing the same value as the string. | ||
| 127 | * @throws NumberFormatException if the string can not be parsed. | ||
| 128 | * @throws NullPointerException if the string is null. | ||
| 129 | */ | ||
| 130 | public static long longFromString (String str) | ||
| 131 | throws NumberFormatException, NullPointerException | ||
| 132 | { | ||
| 133 | final String argument; | ||
| 134 | 100 | (2) | if (str.startsWith("+") && str.length() > 1 |
| 135 | && str.charAt(1) != '-' && str.charAt(1) != '+') | ||
| 136 | { | ||
| 137 | 100 | argument = str.substring(1); | |
| 138 | } | ||
| 139 | else | ||
| 140 | { | ||
| 141 | 100 | argument = str; | |
| 142 | } | ||
| 143 | 100 | return Long.parseLong(argument); | |
| 144 | } | ||
| 145 | |||
| 146 | /** | ||
| 147 | * Checks if the given string complies to the XML schema token restrictions. | ||
| 148 | * <p> | ||
| 149 | * <b>XML Schema Definition:</b> token represents tokenized strings. | ||
| 150 | * The <i>value space</i> of token is the set of strings that do not | ||
| 151 | * contain the carriage return (#xD), line feed (#xA) nor tab (#x9) | ||
| 152 | * characters, that have no leading or trailing spaces (#x20) and | ||
| 153 | * that have no internal sequences of two or more spaces. | ||
| 154 | * For more information about the XML Schema datatype definition of | ||
| 155 | * a <code>token</code> see | ||
| 156 | * <a href="http://www.w3.org/TR/xmlschema-2/datatypes.html#token"> | ||
| 157 | * XML Schema datatype: token</a> | ||
| 158 | * @param token the string to be checked | ||
| 159 | * @return <code>true</code> if the given string complies to the | ||
| 160 | * XML schema token restrictions; <code>false</code> otherwise. | ||
| 161 | */ | ||
| 162 | public static boolean isValidToken (String token) | ||
| 163 | { | ||
| 164 | 100 | boolean result = true; | |
| 165 | 100 | if (token == null) | |
| 166 | { | ||
| 167 | 100 | result = false; | |
| 168 | } | ||
| 169 | else | ||
| 170 | { | ||
| 171 | 100 | char lastChar = Constants.SPACE_CHAR; | |
| 172 | 100 | for (int i = 0; i < token.length() && result; ++i) | |
| 173 | { | ||
| 174 | 100 | final char currentChar = token.charAt(i); | |
| 175 | 100 | result = isValidTokenCharacter(lastChar, currentChar); | |
| 176 | 100 | lastChar = currentChar; | |
| 177 | } | ||
| 178 | // trailing spaces? | ||
| 179 | 100 | if (lastChar == Constants.SPACE_CHAR && token.length() != 0) | |
| 180 | { | ||
| 181 | 100 | result = false; | |
| 182 | } | ||
| 183 | } | ||
| 184 | 100 | return result; | |
| 185 | } | ||
| 186 | |||
| 187 | /** | ||
| 188 | * Checks if the given character complies to the XML schema token | ||
| 189 | * restrictions. | ||
| 190 | * The character is <b>not</b> valid XML schema token character if it | ||
| 191 | * is a carriage return (#xD), line feed (#xA) or tab (#x9) | ||
| 192 | * characters. This method also checks that there are no leading | ||
| 193 | * spaces (#x20) and that there are no internal sequences of | ||
| 194 | * two spaces. | ||
| 195 | * @return <code>true</code> if the given character complies to the | ||
| 196 | * XML schema token restrictions; <code>false</code> otherwise. | ||
| 197 | * @param lastChar the character before the current character. | ||
| 198 | * @param currentChar the current character in the character sequence. | ||
| 199 | */ | ||
| 200 | private static boolean isValidTokenCharacter ( | ||
| 201 | final char lastChar, final char currentChar) | ||
| 202 | { | ||
| 203 | 100 | boolean result = true; | |
| 204 | 100 | switch (currentChar) | |
| 205 | { | ||
| 206 | case Constants.CARRIAGE_RETURN_CHAR: | ||
| 207 | /* falls through */ | ||
| 208 | case Constants.LINE_FEED_CHAR: | ||
| 209 | /* falls through */ | ||
| 210 | case Constants.TAB_CHAR: | ||
| 211 | 100 | result = false; | |
| 212 | 100 | break; | |
| 213 | case Constants.SPACE_CHAR: | ||
| 214 | // leading spaces or sequence of two or more spaces? | ||
| 215 | 100 | if (lastChar == Constants.SPACE_CHAR) | |
| 216 | { | ||
| 217 | 100 | result = false; | |
| 218 | } | ||
| 219 | break; | ||
| 220 | default: | ||
| 221 | /* valid character */ | ||
| 222 | break; | ||
| 223 | } | ||
| 224 | 100 | return result; | |
| 225 | } | ||
| 226 | |||
| 227 | /** | ||
| 228 | * Parses the given String as schema date time representation and returns | ||
| 229 | * a Date object holding the given time. | ||
| 230 | * This method must only be used after a JAXBContext has been initialized, | ||
| 231 | * otherwise it is likely that a NullpointerException is thrown. | ||
| 232 | * @param date the date time in schema dateTime | ||
| 233 | * @return a newly generated Date object representing the time given in the | ||
| 234 | * date. | ||
| 235 | */ | ||
| 236 | public static Date fromDateTimeString (String date) | ||
| 237 | { | ||
| 238 | 0 | final Calendar cal = DatatypeConverter.parseDateTime(date); | |
| 239 | 0 | cal.setLenient(false); | |
| 240 | 0 | return new Date(cal.getTimeInMillis()); | |
| 241 | } | ||
| 242 | |||
| 243 | /** | ||
| 244 | * Parses the given String as schema date representation and returns | ||
| 245 | * a Date object holding the given time. | ||
| 246 | * This method must only be used after a JAXBContext has been initialized, | ||
| 247 | * otherwise it is likely that a NullpointerException is thrown. | ||
| 248 | * @param date the date in schema date representation | ||
| 249 | * @return a newly generated Date object representing the time given in the | ||
| 250 | * date. | ||
| 251 | */ | ||
| 252 | public static Date fromDateString (String date) | ||
| 253 | { | ||
| 254 | 0 | final Calendar cal = DatatypeConverter.parseDate(date); | |
| 255 | 0 | cal.setLenient(false); | |
| 256 | 0 | return new Date(cal.getTimeInMillis()); | |
| 257 | } | ||
| 258 | |||
| 259 | } |
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(1) | 108 | : | 11 | This call to String.startsWith can be rewritten using String.charAt(0) |
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(2) | 134 | : | 11 | This call to String.startsWith can be rewritten using String.charAt(0) |