/usr/share/doc/libserp-java/api/src-html/serp/util/Strings.html is in libserp-java-doc 1.15.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span>package serp.util;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import java.math.*;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import java.util.*;<a name="line.4"></a>
<span class="sourceLineNo">005</span><a name="line.5"></a>
<span class="sourceLineNo">006</span>/**<a name="line.6"></a>
<span class="sourceLineNo">007</span> * String utiltity methods.<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * @author Abe White<a name="line.9"></a>
<span class="sourceLineNo">010</span> */<a name="line.10"></a>
<span class="sourceLineNo">011</span>public class Strings {<a name="line.11"></a>
<span class="sourceLineNo">012</span> private static final Object[][] _codes = new Object[][] {<a name="line.12"></a>
<span class="sourceLineNo">013</span> { byte.class, "byte", "B" },<a name="line.13"></a>
<span class="sourceLineNo">014</span> { char.class, "char", "C" },<a name="line.14"></a>
<span class="sourceLineNo">015</span> { double.class, "double", "D" },<a name="line.15"></a>
<span class="sourceLineNo">016</span> { float.class, "float", "F" },<a name="line.16"></a>
<span class="sourceLineNo">017</span> { int.class, "int", "I" },<a name="line.17"></a>
<span class="sourceLineNo">018</span> { long.class, "long", "J" },<a name="line.18"></a>
<span class="sourceLineNo">019</span> { short.class, "short", "S" },<a name="line.19"></a>
<span class="sourceLineNo">020</span> { boolean.class, "boolean", "Z" },<a name="line.20"></a>
<span class="sourceLineNo">021</span> { void.class, "void", "V" }<a name="line.21"></a>
<span class="sourceLineNo">022</span> };<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span> /**<a name="line.24"></a>
<span class="sourceLineNo">025</span> * Replace all instances of <code>from</code> in <code>str</code><a name="line.25"></a>
<span class="sourceLineNo">026</span> * with <code>to</code>.<a name="line.26"></a>
<span class="sourceLineNo">027</span> *<a name="line.27"></a>
<span class="sourceLineNo">028</span> * @param str the candidate string to replace<a name="line.28"></a>
<span class="sourceLineNo">029</span> * @param from the token to replace<a name="line.29"></a>
<span class="sourceLineNo">030</span> * @param to the new token<a name="line.30"></a>
<span class="sourceLineNo">031</span> * @return the string with all the replacements made<a name="line.31"></a>
<span class="sourceLineNo">032</span> */<a name="line.32"></a>
<span class="sourceLineNo">033</span> public static String replace(String str, String from, String to) {<a name="line.33"></a>
<span class="sourceLineNo">034</span> String[] split = split(str, from, Integer.MAX_VALUE);<a name="line.34"></a>
<span class="sourceLineNo">035</span> return join(split, to);<a name="line.35"></a>
<span class="sourceLineNo">036</span> }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span> /**<a name="line.38"></a>
<span class="sourceLineNo">039</span> * Splits the given string on the given token. Follows the semantics<a name="line.39"></a>
<span class="sourceLineNo">040</span> * of the Java 1.4 {@link String#split(String,int)} method, but does<a name="line.40"></a>
<span class="sourceLineNo">041</span> * not treat the given token as a regular expression.<a name="line.41"></a>
<span class="sourceLineNo">042</span> */<a name="line.42"></a>
<span class="sourceLineNo">043</span> public static String[] split(String str, String token, int max) {<a name="line.43"></a>
<span class="sourceLineNo">044</span> if (str == null || str.length() == 0)<a name="line.44"></a>
<span class="sourceLineNo">045</span> return new String[0];<a name="line.45"></a>
<span class="sourceLineNo">046</span> if (token == null || token.length() == 0)<a name="line.46"></a>
<span class="sourceLineNo">047</span> throw new IllegalArgumentException("token: [" + token + "]");<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span> // split on token <a name="line.49"></a>
<span class="sourceLineNo">050</span> LinkedList ret = new LinkedList();<a name="line.50"></a>
<span class="sourceLineNo">051</span> int start = 0;<a name="line.51"></a>
<span class="sourceLineNo">052</span> for (int split = 0; split != -1;) {<a name="line.52"></a>
<span class="sourceLineNo">053</span> split = str.indexOf(token, start);<a name="line.53"></a>
<span class="sourceLineNo">054</span> if (split == -1 && start >= str.length())<a name="line.54"></a>
<span class="sourceLineNo">055</span> ret.add("");<a name="line.55"></a>
<span class="sourceLineNo">056</span> else if (split == -1)<a name="line.56"></a>
<span class="sourceLineNo">057</span> ret.add(str.substring(start));<a name="line.57"></a>
<span class="sourceLineNo">058</span> else {<a name="line.58"></a>
<span class="sourceLineNo">059</span> ret.add(str.substring(start, split));<a name="line.59"></a>
<span class="sourceLineNo">060</span> start = split + token.length();<a name="line.60"></a>
<span class="sourceLineNo">061</span> }<a name="line.61"></a>
<span class="sourceLineNo">062</span> }<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> // now take max into account; this isn't the most efficient way<a name="line.64"></a>
<span class="sourceLineNo">065</span> // of doing things since we split the maximum number of times<a name="line.65"></a>
<span class="sourceLineNo">066</span> // regardless of the given parameters, but it makes things easy<a name="line.66"></a>
<span class="sourceLineNo">067</span> if (max == 0) {<a name="line.67"></a>
<span class="sourceLineNo">068</span> // discard any trailing empty splits<a name="line.68"></a>
<span class="sourceLineNo">069</span> while (ret.getLast().equals(""))<a name="line.69"></a>
<span class="sourceLineNo">070</span> ret.removeLast();<a name="line.70"></a>
<span class="sourceLineNo">071</span> } else if (max > 0 && ret.size() > max) {<a name="line.71"></a>
<span class="sourceLineNo">072</span> // move all splits over max into the last split<a name="line.72"></a>
<span class="sourceLineNo">073</span> StringBuilder buf = new StringBuilder(ret.removeLast().toString());<a name="line.73"></a>
<span class="sourceLineNo">074</span> while (ret.size() >= max) {<a name="line.74"></a>
<span class="sourceLineNo">075</span> buf.insert(0, token);<a name="line.75"></a>
<span class="sourceLineNo">076</span> buf.insert(0, ret.removeLast());<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<a name="line.77"></a>
<span class="sourceLineNo">078</span> ret.add(buf.toString());<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span> return (String[]) ret.toArray(new String[ret.size()]);<a name="line.80"></a>
<span class="sourceLineNo">081</span> }<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span> /**<a name="line.83"></a>
<span class="sourceLineNo">084</span> * Joins the given strings, placing the given token between them.<a name="line.84"></a>
<span class="sourceLineNo">085</span> */<a name="line.85"></a>
<span class="sourceLineNo">086</span> public static String join(Object[] strings, String token) {<a name="line.86"></a>
<span class="sourceLineNo">087</span> if (strings == null)<a name="line.87"></a>
<span class="sourceLineNo">088</span> return null;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> StringBuilder buf = new StringBuilder(20 * strings.length);<a name="line.90"></a>
<span class="sourceLineNo">091</span> for (int i = 0; i < strings.length; i++) {<a name="line.91"></a>
<span class="sourceLineNo">092</span> if (i > 0)<a name="line.92"></a>
<span class="sourceLineNo">093</span> buf.append(token);<a name="line.93"></a>
<span class="sourceLineNo">094</span> if (strings[i] != null)<a name="line.94"></a>
<span class="sourceLineNo">095</span> buf.append(strings[i]);<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span> return buf.toString();<a name="line.97"></a>
<span class="sourceLineNo">098</span> }<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span> /**<a name="line.100"></a>
<span class="sourceLineNo">101</span> * Return the class for the given string, correctly handling<a name="line.101"></a>
<span class="sourceLineNo">102</span> * primitive types. If the given class loader is null, the context<a name="line.102"></a>
<span class="sourceLineNo">103</span> * loader of the current thread will be used.<a name="line.103"></a>
<span class="sourceLineNo">104</span> *<a name="line.104"></a>
<span class="sourceLineNo">105</span> * @throws RuntimeException on load error<a name="line.105"></a>
<span class="sourceLineNo">106</span> */<a name="line.106"></a>
<span class="sourceLineNo">107</span> public static Class toClass(String str, ClassLoader loader) {<a name="line.107"></a>
<span class="sourceLineNo">108</span> return toClass(str, false, loader);<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span> /**<a name="line.111"></a>
<span class="sourceLineNo">112</span> * Return the class for the given string, correctly handling<a name="line.112"></a>
<span class="sourceLineNo">113</span> * primitive types. If the given class loader is null, the context<a name="line.113"></a>
<span class="sourceLineNo">114</span> * loader of the current thread will be used.<a name="line.114"></a>
<span class="sourceLineNo">115</span> *<a name="line.115"></a>
<span class="sourceLineNo">116</span> * @throws RuntimeException on load error<a name="line.116"></a>
<span class="sourceLineNo">117</span> */<a name="line.117"></a>
<span class="sourceLineNo">118</span> public static Class toClass(String str, boolean resolve, <a name="line.118"></a>
<span class="sourceLineNo">119</span> ClassLoader loader) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> if (str == null)<a name="line.120"></a>
<span class="sourceLineNo">121</span> throw new NullPointerException("str == null");<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span> // array handling<a name="line.123"></a>
<span class="sourceLineNo">124</span> int dims = 0;<a name="line.124"></a>
<span class="sourceLineNo">125</span> while (str.endsWith("[]")) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> dims++;<a name="line.126"></a>
<span class="sourceLineNo">127</span> str = str.substring(0, str.length() - 2);<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span> // check against primitive types<a name="line.130"></a>
<span class="sourceLineNo">131</span> boolean primitive = false;<a name="line.131"></a>
<span class="sourceLineNo">132</span> if (str.indexOf('.') == -1) {<a name="line.132"></a>
<span class="sourceLineNo">133</span> for (int i = 0; !primitive && (i < _codes.length); i++) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> if (_codes[i][1].equals(str)) {<a name="line.134"></a>
<span class="sourceLineNo">135</span> if (dims == 0)<a name="line.135"></a>
<span class="sourceLineNo">136</span> return (Class) _codes[i][0];<a name="line.136"></a>
<span class="sourceLineNo">137</span> str = (String) _codes[i][2];<a name="line.137"></a>
<span class="sourceLineNo">138</span> primitive = true;<a name="line.138"></a>
<span class="sourceLineNo">139</span> }<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> if (dims > 0) {<a name="line.143"></a>
<span class="sourceLineNo">144</span> int size = str.length() + dims;<a name="line.144"></a>
<span class="sourceLineNo">145</span> if (!primitive)<a name="line.145"></a>
<span class="sourceLineNo">146</span> size += 2;<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span> StringBuilder buf = new StringBuilder(size);<a name="line.148"></a>
<span class="sourceLineNo">149</span> for (int i = 0; i < dims; i++)<a name="line.149"></a>
<span class="sourceLineNo">150</span> buf.append('[');<a name="line.150"></a>
<span class="sourceLineNo">151</span> if (!primitive)<a name="line.151"></a>
<span class="sourceLineNo">152</span> buf.append('L');<a name="line.152"></a>
<span class="sourceLineNo">153</span> buf.append(str);<a name="line.153"></a>
<span class="sourceLineNo">154</span> if (!primitive)<a name="line.154"></a>
<span class="sourceLineNo">155</span> buf.append(';');<a name="line.155"></a>
<span class="sourceLineNo">156</span> str = buf.toString();<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span> if (loader == null)<a name="line.159"></a>
<span class="sourceLineNo">160</span> loader = Thread.currentThread().getContextClassLoader();<a name="line.160"></a>
<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
<span class="sourceLineNo">162</span> return Class.forName(str, resolve, loader);<a name="line.162"></a>
<span class="sourceLineNo">163</span> } catch (Throwable t) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> throw new IllegalArgumentException(t.toString());<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span> /**<a name="line.168"></a>
<span class="sourceLineNo">169</span> * Return only the class name, without package.<a name="line.169"></a>
<span class="sourceLineNo">170</span> */<a name="line.170"></a>
<span class="sourceLineNo">171</span> public static String getClassName(Class cls) {<a name="line.171"></a>
<span class="sourceLineNo">172</span> return (cls == null) ? null : getClassName(cls.getName());<a name="line.172"></a>
<span class="sourceLineNo">173</span> }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span> /**<a name="line.175"></a>
<span class="sourceLineNo">176</span> * Return only the class name.<a name="line.176"></a>
<span class="sourceLineNo">177</span> */<a name="line.177"></a>
<span class="sourceLineNo">178</span> public static String getClassName(String fullName) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> if (fullName == null)<a name="line.179"></a>
<span class="sourceLineNo">180</span> return null;<a name="line.180"></a>
<span class="sourceLineNo">181</span><a name="line.181"></a>
<span class="sourceLineNo">182</span> // special case for arrays<a name="line.182"></a>
<span class="sourceLineNo">183</span> int dims = 0;<a name="line.183"></a>
<span class="sourceLineNo">184</span> for (int i = 0; i < fullName.length(); i++) {<a name="line.184"></a>
<span class="sourceLineNo">185</span> if (fullName.charAt(i) != '[') {<a name="line.185"></a>
<span class="sourceLineNo">186</span> dims = i;<a name="line.186"></a>
<span class="sourceLineNo">187</span> break;<a name="line.187"></a>
<span class="sourceLineNo">188</span> }<a name="line.188"></a>
<span class="sourceLineNo">189</span> }<a name="line.189"></a>
<span class="sourceLineNo">190</span> if (dims > 0)<a name="line.190"></a>
<span class="sourceLineNo">191</span> fullName = fullName.substring(dims);<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span> // check for primitives<a name="line.193"></a>
<span class="sourceLineNo">194</span> for (int i = 0; i < _codes.length; i++) {<a name="line.194"></a>
<span class="sourceLineNo">195</span> if (_codes[i][2].equals(fullName)) {<a name="line.195"></a>
<span class="sourceLineNo">196</span> fullName = (String) _codes[i][1];<a name="line.196"></a>
<span class="sourceLineNo">197</span> break;<a name="line.197"></a>
<span class="sourceLineNo">198</span> }<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> fullName = fullName.substring(fullName.lastIndexOf('.') + 1);<a name="line.201"></a>
<span class="sourceLineNo">202</span> for (int i = 0; i < dims; i++)<a name="line.202"></a>
<span class="sourceLineNo">203</span> fullName = fullName + "[]";<a name="line.203"></a>
<span class="sourceLineNo">204</span> return fullName;<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
<span class="sourceLineNo">208</span> * Return only the package, or empty string if none.<a name="line.208"></a>
<span class="sourceLineNo">209</span> */<a name="line.209"></a>
<span class="sourceLineNo">210</span> public static String getPackageName(Class cls) {<a name="line.210"></a>
<span class="sourceLineNo">211</span> return (cls == null) ? null : getPackageName(cls.getName());<a name="line.211"></a>
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span> /**<a name="line.214"></a>
<span class="sourceLineNo">215</span> * Return only the package, or empty string if none.<a name="line.215"></a>
<span class="sourceLineNo">216</span> */<a name="line.216"></a>
<span class="sourceLineNo">217</span> public static String getPackageName(String fullName) {<a name="line.217"></a>
<span class="sourceLineNo">218</span> if (fullName == null)<a name="line.218"></a>
<span class="sourceLineNo">219</span> return null;<a name="line.219"></a>
<span class="sourceLineNo">220</span> int dotIdx = fullName.lastIndexOf('.');<a name="line.220"></a>
<span class="sourceLineNo">221</span> return (dotIdx == -1) ? "" : fullName.substring(0, dotIdx);<a name="line.221"></a>
<span class="sourceLineNo">222</span> }<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span> /**<a name="line.224"></a>
<span class="sourceLineNo">225</span> * Return <code>val</code> as the type specified by<a name="line.225"></a>
<span class="sourceLineNo">226</span> * <code>type</code>. If <code>type</code> is a primitive, the<a name="line.226"></a>
<span class="sourceLineNo">227</span> * primitive wrapper type is created and returned, and<a name="line.227"></a>
<span class="sourceLineNo">228</span> * <code>null</code>s are converted to the Java default for the<a name="line.228"></a>
<span class="sourceLineNo">229</span> * primitive type.<a name="line.229"></a>
<span class="sourceLineNo">230</span> *<a name="line.230"></a>
<span class="sourceLineNo">231</span> * @param val The string value to parse<a name="line.231"></a>
<span class="sourceLineNo">232</span> * @param type The type to parse. This must be a primitive or a<a name="line.232"></a>
<span class="sourceLineNo">233</span> * primitive wrapper, or one of {@link BigDecimal},<a name="line.233"></a>
<span class="sourceLineNo">234</span> * {@link BigInteger}, {@link String}, {@link Date}.<a name="line.234"></a>
<span class="sourceLineNo">235</span> * @throws IllegalArgumentException if <code>type</code> is not a<a name="line.235"></a>
<span class="sourceLineNo">236</span> * supported type, or if <code>val</code> cannot be<a name="line.236"></a>
<span class="sourceLineNo">237</span> * converted into an instance of type <code>type</code>.<a name="line.237"></a>
<span class="sourceLineNo">238</span> */<a name="line.238"></a>
<span class="sourceLineNo">239</span> public static Object parse(String val, Class type) {<a name="line.239"></a>
<span class="sourceLineNo">240</span> if (!canParse(type))<a name="line.240"></a>
<span class="sourceLineNo">241</span> throw new IllegalArgumentException("invalid type: " +<a name="line.241"></a>
<span class="sourceLineNo">242</span> type.getName());<a name="line.242"></a>
<span class="sourceLineNo">243</span><a name="line.243"></a>
<span class="sourceLineNo">244</span> // deal with null value<a name="line.244"></a>
<span class="sourceLineNo">245</span> if (val == null) {<a name="line.245"></a>
<span class="sourceLineNo">246</span> if (!type.isPrimitive())<a name="line.246"></a>
<span class="sourceLineNo">247</span> return null;<a name="line.247"></a>
<span class="sourceLineNo">248</span> if (type == boolean.class)<a name="line.248"></a>
<span class="sourceLineNo">249</span> return Boolean.FALSE;<a name="line.249"></a>
<span class="sourceLineNo">250</span> if (type == byte.class)<a name="line.250"></a>
<span class="sourceLineNo">251</span> return new Byte((byte) 0);<a name="line.251"></a>
<span class="sourceLineNo">252</span> if (type == char.class)<a name="line.252"></a>
<span class="sourceLineNo">253</span> return new Character((char) 0);<a name="line.253"></a>
<span class="sourceLineNo">254</span> if (type == double.class)<a name="line.254"></a>
<span class="sourceLineNo">255</span> return new Double(0);<a name="line.255"></a>
<span class="sourceLineNo">256</span> if (type == float.class)<a name="line.256"></a>
<span class="sourceLineNo">257</span> return new Float(0);<a name="line.257"></a>
<span class="sourceLineNo">258</span> if (type == int.class)<a name="line.258"></a>
<span class="sourceLineNo">259</span> return Numbers.valueOf(0);<a name="line.259"></a>
<span class="sourceLineNo">260</span> if (type == long.class)<a name="line.260"></a>
<span class="sourceLineNo">261</span> return Numbers.valueOf(0L);<a name="line.261"></a>
<span class="sourceLineNo">262</span> if (type == short.class)<a name="line.262"></a>
<span class="sourceLineNo">263</span> return new Short((short) 0);<a name="line.263"></a>
<span class="sourceLineNo">264</span> throw new IllegalStateException("invalid type: " + type);<a name="line.264"></a>
<span class="sourceLineNo">265</span> }<a name="line.265"></a>
<span class="sourceLineNo">266</span><a name="line.266"></a>
<span class="sourceLineNo">267</span> // deal with non-null value<a name="line.267"></a>
<span class="sourceLineNo">268</span> if (type == boolean.class || type == Boolean.class)<a name="line.268"></a>
<span class="sourceLineNo">269</span> return Boolean.valueOf(val);<a name="line.269"></a>
<span class="sourceLineNo">270</span> if (type == byte.class || type == Byte.class)<a name="line.270"></a>
<span class="sourceLineNo">271</span> return Byte.valueOf(val);<a name="line.271"></a>
<span class="sourceLineNo">272</span> if (type == char.class || type == Character.class) {<a name="line.272"></a>
<span class="sourceLineNo">273</span> if (val.length() == 0)<a name="line.273"></a>
<span class="sourceLineNo">274</span> return new Character((char) 0);<a name="line.274"></a>
<span class="sourceLineNo">275</span> if (val.length() == 1)<a name="line.275"></a>
<span class="sourceLineNo">276</span> return new Character(val.charAt(0));<a name="line.276"></a>
<span class="sourceLineNo">277</span> throw new IllegalArgumentException("'" + val + "' is longer than " <a name="line.277"></a>
<span class="sourceLineNo">278</span> + "one character.");<a name="line.278"></a>
<span class="sourceLineNo">279</span> }<a name="line.279"></a>
<span class="sourceLineNo">280</span> if (type == double.class || type == Double.class)<a name="line.280"></a>
<span class="sourceLineNo">281</span> return Double.valueOf(val);<a name="line.281"></a>
<span class="sourceLineNo">282</span> if (type == float.class || type == Float.class)<a name="line.282"></a>
<span class="sourceLineNo">283</span> return Float.valueOf(val);<a name="line.283"></a>
<span class="sourceLineNo">284</span> if (type == int.class || type == Integer.class)<a name="line.284"></a>
<span class="sourceLineNo">285</span> return Integer.valueOf(val);<a name="line.285"></a>
<span class="sourceLineNo">286</span> if (type == long.class || type == Long.class)<a name="line.286"></a>
<span class="sourceLineNo">287</span> return Long.valueOf(val);<a name="line.287"></a>
<span class="sourceLineNo">288</span> if (type == short.class || type == Short.class)<a name="line.288"></a>
<span class="sourceLineNo">289</span> return Short.valueOf(val);<a name="line.289"></a>
<span class="sourceLineNo">290</span> if (type == String.class)<a name="line.290"></a>
<span class="sourceLineNo">291</span> return val;<a name="line.291"></a>
<span class="sourceLineNo">292</span> if (type == Date.class)<a name="line.292"></a>
<span class="sourceLineNo">293</span> return new Date(val);<a name="line.293"></a>
<span class="sourceLineNo">294</span> if (type == BigInteger.class)<a name="line.294"></a>
<span class="sourceLineNo">295</span> return new BigInteger(val);<a name="line.295"></a>
<span class="sourceLineNo">296</span> if (type == BigDecimal.class)<a name="line.296"></a>
<span class="sourceLineNo">297</span> return new BigDecimal(val);<a name="line.297"></a>
<span class="sourceLineNo">298</span> throw new IllegalArgumentException("Invalid type: " + type);<a name="line.298"></a>
<span class="sourceLineNo">299</span> }<a name="line.299"></a>
<span class="sourceLineNo">300</span><a name="line.300"></a>
<span class="sourceLineNo">301</span> /**<a name="line.301"></a>
<span class="sourceLineNo">302</span> * Whether the given type is parsable via {@link #parse}.<a name="line.302"></a>
<span class="sourceLineNo">303</span> */<a name="line.303"></a>
<span class="sourceLineNo">304</span> public static boolean canParse(Class type) {<a name="line.304"></a>
<span class="sourceLineNo">305</span> return type.isPrimitive() || type == Boolean.class <a name="line.305"></a>
<span class="sourceLineNo">306</span> || type == Byte.class || type == Character.class <a name="line.306"></a>
<span class="sourceLineNo">307</span> || type == Short.class || type == Integer.class <a name="line.307"></a>
<span class="sourceLineNo">308</span> || type == Long.class || type == Float.class <a name="line.308"></a>
<span class="sourceLineNo">309</span> || type == Double.class || type == String.class <a name="line.309"></a>
<span class="sourceLineNo">310</span> || type == Date.class || type == BigInteger.class <a name="line.310"></a>
<span class="sourceLineNo">311</span> || type == BigDecimal.class;<a name="line.311"></a>
<span class="sourceLineNo">312</span> }<a name="line.312"></a>
<span class="sourceLineNo">313</span>}<a name="line.313"></a>
</pre>
</div>
</body>
</html>
|