http://git-wip-us.apache.org/repos/asf/incubator-juneau-website/blob/2f6fc8b5/content/site/apidocs/src-html/org/apache/juneau/internal/StringUtils.html ---------------------------------------------------------------------- diff --git a/content/site/apidocs/src-html/org/apache/juneau/internal/StringUtils.html b/content/site/apidocs/src-html/org/apache/juneau/internal/StringUtils.html index 5a8d727..f3ac436 100644 --- a/content/site/apidocs/src-html/org/apache/juneau/internal/StringUtils.html +++ b/content/site/apidocs/src-html/org/apache/juneau/internal/StringUtils.html @@ -34,1427 +34,1428 @@ <span class="sourceLineNo">026</span>import javax.xml.bind.*;<a name="line.26"></a> <span class="sourceLineNo">027</span><a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.juneau.parser.*;<a name="line.28"></a> -<span class="sourceLineNo">029</span><a name="line.29"></a> -<span class="sourceLineNo">030</span>/**<a name="line.30"></a> -<span class="sourceLineNo">031</span> * Reusable string utility methods.<a name="line.31"></a> -<span class="sourceLineNo">032</span> */<a name="line.32"></a> -<span class="sourceLineNo">033</span>public final class StringUtils {<a name="line.33"></a> -<span class="sourceLineNo">034</span><a name="line.34"></a> -<span class="sourceLineNo">035</span> private static final AsciiSet numberChars = new AsciiSet("-xX.+-#pP0123456789abcdefABCDEF");<a name="line.35"></a> -<span class="sourceLineNo">036</span> private static final AsciiSet firstNumberChars = new AsciiSet("+-.#0123456789");<a name="line.36"></a> -<span class="sourceLineNo">037</span> private static final AsciiSet octChars = new AsciiSet("01234567");<a name="line.37"></a> -<span class="sourceLineNo">038</span> private static final AsciiSet decChars = new AsciiSet("0123456789");<a name="line.38"></a> -<span class="sourceLineNo">039</span> private static final AsciiSet hexChars = new AsciiSet("0123456789abcdefABCDEF");<a name="line.39"></a> -<span class="sourceLineNo">040</span><a name="line.40"></a> -<span class="sourceLineNo">041</span> // Maps 6-bit nibbles to BASE64 characters.<a name="line.41"></a> -<span class="sourceLineNo">042</span> private static final char[] base64m1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".toCharArray();<a name="line.42"></a> -<span class="sourceLineNo">043</span><a name="line.43"></a> -<span class="sourceLineNo">044</span> // Characters that do not need to be URL-encoded<a name="line.44"></a> -<span class="sourceLineNo">045</span> private static final AsciiSet unencodedChars = new AsciiSet("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.!~*'()\\");<a name="line.45"></a> -<span class="sourceLineNo">046</span><a name="line.46"></a> -<span class="sourceLineNo">047</span> // Maps BASE64 characters to 6-bit nibbles.<a name="line.47"></a> -<span class="sourceLineNo">048</span> private static final byte[] base64m2 = new byte[128];<a name="line.48"></a> -<span class="sourceLineNo">049</span> static {<a name="line.49"></a> -<span class="sourceLineNo">050</span> for (int i = 0; i < 64; i++)<a name="line.50"></a> -<span class="sourceLineNo">051</span> base64m2[base64m1[i]] = (byte)i;<a name="line.51"></a> -<span class="sourceLineNo">052</span> }<a name="line.52"></a> -<span class="sourceLineNo">053</span><a name="line.53"></a> -<span class="sourceLineNo">054</span> /**<a name="line.54"></a> -<span class="sourceLineNo">055</span> * Parses a number from the specified reader stream.<a name="line.55"></a> -<span class="sourceLineNo">056</span> *<a name="line.56"></a> -<span class="sourceLineNo">057</span> * @param r The reader to parse the string from.<a name="line.57"></a> -<span class="sourceLineNo">058</span> * @param type The number type to created. <br><a name="line.58"></a> -<span class="sourceLineNo">059</span> * Can be any of the following:<a name="line.59"></a> -<span class="sourceLineNo">060</span> * <ul><a name="line.60"></a> -<span class="sourceLineNo">061</span> * <li> Integer<a name="line.61"></a> -<span class="sourceLineNo">062</span> * <li> Double<a name="line.62"></a> -<span class="sourceLineNo">063</span> * <li> Float<a name="line.63"></a> -<span class="sourceLineNo">064</span> * <li> Long<a name="line.64"></a> -<span class="sourceLineNo">065</span> * <li> Short<a name="line.65"></a> -<span class="sourceLineNo">066</span> * <li> Byte<a name="line.66"></a> -<span class="sourceLineNo">067</span> * <li> BigInteger<a name="line.67"></a> -<span class="sourceLineNo">068</span> * <li> BigDecimal<a name="line.68"></a> -<span class="sourceLineNo">069</span> * </ul><a name="line.69"></a> -<span class="sourceLineNo">070</span> * If <jk>null</jk>, uses the best guess.<a name="line.70"></a> -<span class="sourceLineNo">071</span> * @throws IOException If a problem occurred trying to read from the reader.<a name="line.71"></a> -<span class="sourceLineNo">072</span> * @return The parsed number.<a name="line.72"></a> -<span class="sourceLineNo">073</span> * @throws Exception<a name="line.73"></a> -<span class="sourceLineNo">074</span> */<a name="line.74"></a> -<span class="sourceLineNo">075</span> public static Number parseNumber(ParserReader r, Class<? extends Number> type) throws Exception {<a name="line.75"></a> -<span class="sourceLineNo">076</span> return parseNumber(parseNumberString(r), type);<a name="line.76"></a> -<span class="sourceLineNo">077</span> }<a name="line.77"></a> -<span class="sourceLineNo">078</span><a name="line.78"></a> -<span class="sourceLineNo">079</span> /**<a name="line.79"></a> -<span class="sourceLineNo">080</span> * Reads a numeric string from the specified reader.<a name="line.80"></a> -<span class="sourceLineNo">081</span> *<a name="line.81"></a> -<span class="sourceLineNo">082</span> * @param r The reader to read form.<a name="line.82"></a> -<span class="sourceLineNo">083</span> * @return The parsed number string.<a name="line.83"></a> -<span class="sourceLineNo">084</span> * @throws Exception<a name="line.84"></a> -<span class="sourceLineNo">085</span> */<a name="line.85"></a> -<span class="sourceLineNo">086</span> public static String parseNumberString(ParserReader r) throws Exception {<a name="line.86"></a> -<span class="sourceLineNo">087</span> r.mark();<a name="line.87"></a> -<span class="sourceLineNo">088</span> int c = 0;<a name="line.88"></a> -<span class="sourceLineNo">089</span> while (true) {<a name="line.89"></a> -<span class="sourceLineNo">090</span> c = r.read();<a name="line.90"></a> -<span class="sourceLineNo">091</span> if (c == -1)<a name="line.91"></a> -<span class="sourceLineNo">092</span> break;<a name="line.92"></a> -<span class="sourceLineNo">093</span> if (! numberChars.contains((char)c)) {<a name="line.93"></a> -<span class="sourceLineNo">094</span> r.unread();<a name="line.94"></a> -<span class="sourceLineNo">095</span> break;<a name="line.95"></a> -<span class="sourceLineNo">096</span> }<a name="line.96"></a> -<span class="sourceLineNo">097</span> }<a name="line.97"></a> -<span class="sourceLineNo">098</span> return r.getMarked();<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> /**<a name="line.101"></a> -<span class="sourceLineNo">102</span> * Parses a number from the specified string.<a name="line.102"></a> -<span class="sourceLineNo">103</span> *<a name="line.103"></a> -<span class="sourceLineNo">104</span> * @param s The string to parse the number from.<a name="line.104"></a> -<span class="sourceLineNo">105</span> * @param type The number type to created. <br><a name="line.105"></a> -<span class="sourceLineNo">106</span> * Can be any of the following:<a name="line.106"></a> -<span class="sourceLineNo">107</span> * <ul><a name="line.107"></a> -<span class="sourceLineNo">108</span> * <li> Integer<a name="line.108"></a> -<span class="sourceLineNo">109</span> * <li> Double<a name="line.109"></a> -<span class="sourceLineNo">110</span> * <li> Float<a name="line.110"></a> -<span class="sourceLineNo">111</span> * <li> Long<a name="line.111"></a> -<span class="sourceLineNo">112</span> * <li> Short<a name="line.112"></a> -<span class="sourceLineNo">113</span> * <li> Byte<a name="line.113"></a> -<span class="sourceLineNo">114</span> * <li> BigInteger<a name="line.114"></a> -<span class="sourceLineNo">115</span> * <li> BigDecimal<a name="line.115"></a> -<span class="sourceLineNo">116</span> * </ul><a name="line.116"></a> -<span class="sourceLineNo">117</span> * If <jk>null</jk>, uses the best guess.<a name="line.117"></a> -<span class="sourceLineNo">118</span> * @return The parsed number.<a name="line.118"></a> -<span class="sourceLineNo">119</span> * @throws ParseException<a name="line.119"></a> -<span class="sourceLineNo">120</span> */<a name="line.120"></a> -<span class="sourceLineNo">121</span> public static Number parseNumber(String s, Class<? extends Number> type) throws ParseException {<a name="line.121"></a> -<span class="sourceLineNo">122</span><a name="line.122"></a> -<span class="sourceLineNo">123</span> if (s.isEmpty())<a name="line.123"></a> -<span class="sourceLineNo">124</span> s = "0";<a name="line.124"></a> -<span class="sourceLineNo">125</span> if (type == null)<a name="line.125"></a> -<span class="sourceLineNo">126</span> type = Number.class;<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> try {<a name="line.128"></a> -<span class="sourceLineNo">129</span> // Determine the data type if it wasn't specified.<a name="line.129"></a> -<span class="sourceLineNo">130</span> boolean isAutoDetect = (type == Number.class);<a name="line.130"></a> -<span class="sourceLineNo">131</span> boolean isDecimal = false;<a name="line.131"></a> -<span class="sourceLineNo">132</span> if (isAutoDetect) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> // If we're auto-detecting, then we use either an Integer, Long, or Double depending on how<a name="line.133"></a> -<span class="sourceLineNo">134</span> // long the string is.<a name="line.134"></a> -<span class="sourceLineNo">135</span> // An integer range is -2,147,483,648 to 2,147,483,647<a name="line.135"></a> -<span class="sourceLineNo">136</span> // An long range is -9,223,372,036,854,775,808 to +9,223,372,036,854,775,807<a name="line.136"></a> -<span class="sourceLineNo">137</span> isDecimal = isDecimal(s);<a name="line.137"></a> -<span class="sourceLineNo">138</span> if (isDecimal) {<a name="line.138"></a> -<span class="sourceLineNo">139</span> if (s.length() > 20)<a name="line.139"></a> -<span class="sourceLineNo">140</span> type = Double.class;<a name="line.140"></a> -<span class="sourceLineNo">141</span> else if (s.length() >= 10)<a name="line.141"></a> -<span class="sourceLineNo">142</span> type = Long.class;<a name="line.142"></a> -<span class="sourceLineNo">143</span> else<a name="line.143"></a> -<span class="sourceLineNo">144</span> type = Integer.class;<a name="line.144"></a> -<span class="sourceLineNo">145</span> }<a name="line.145"></a> -<span class="sourceLineNo">146</span> else if (isFloat(s))<a name="line.146"></a> -<span class="sourceLineNo">147</span> type = Double.class;<a name="line.147"></a> -<span class="sourceLineNo">148</span> else<a name="line.148"></a> -<span class="sourceLineNo">149</span> throw new NumberFormatException(s);<a name="line.149"></a> -<span class="sourceLineNo">150</span> }<a name="line.150"></a> -<span class="sourceLineNo">151</span><a name="line.151"></a> -<span class="sourceLineNo">152</span> if (type == Double.class || type == Double.TYPE) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> Double d = Double.valueOf(s);<a name="line.153"></a> -<span class="sourceLineNo">154</span> Float f = Float.valueOf(s);<a name="line.154"></a> -<span class="sourceLineNo">155</span> if (isAutoDetect && (!isDecimal) && d.toString().equals(f.toString()))<a name="line.155"></a> -<span class="sourceLineNo">156</span> return f;<a name="line.156"></a> -<span class="sourceLineNo">157</span> return d;<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> if (type == Float.class || type == Float.TYPE)<a name="line.159"></a> -<span class="sourceLineNo">160</span> return Float.valueOf(s);<a name="line.160"></a> -<span class="sourceLineNo">161</span> if (type == BigDecimal.class)<a name="line.161"></a> -<span class="sourceLineNo">162</span> return new BigDecimal(s);<a name="line.162"></a> -<span class="sourceLineNo">163</span> if (type == Long.class || type == Long.TYPE || type == AtomicLong.class) {<a name="line.163"></a> -<span class="sourceLineNo">164</span> try {<a name="line.164"></a> -<span class="sourceLineNo">165</span> Long l = Long.decode(s);<a 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range of a valid long.<a name="line.175"></a> -<span class="sourceLineNo">176</span> return Double.valueOf(s);<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span> throw e;<a name="line.178"></a> -<span class="sourceLineNo">179</span> }<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span> if (type == Integer.class || type == Integer.TYPE)<a name="line.181"></a> -<span class="sourceLineNo">182</span> return Integer.decode(s);<a name="line.182"></a> -<span class="sourceLineNo">183</span> if (type == Short.class || type == Short.TYPE)<a name="line.183"></a> -<span class="sourceLineNo">184</span> return Short.decode(s);<a name="line.184"></a> -<span class="sourceLineNo">185</span> if (type == Byte.class || type == Byte.TYPE)<a name="line.185"></a> -<span class="sourceLineNo">186</span> return Byte.decode(s);<a name="line.186"></a> -<span class="sourceLineNo">187</span> if (type == BigInteger.class)<a name="line.187"></a> -<span class="sourceLineNo">188</span> return new BigInteger(s);<a name="line.188"></a> -<span class="sourceLineNo">189</span> if (type == AtomicInteger.class)<a name="line.189"></a> -<span class="sourceLineNo">190</span> return new AtomicInteger(Integer.decode(s));<a name="line.190"></a> -<span class="sourceLineNo">191</span> throw new ParseException("Unsupported Number type: {0}", type.getName());<a name="line.191"></a> -<span class="sourceLineNo">192</span> } catch (NumberFormatException e) {<a name="line.192"></a> -<span class="sourceLineNo">193</span> throw new ParseException("Invalid number: ''{0}'', class=''{1}''", s, type.getSimpleName()).initCause(e);<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> }<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span> private final static Pattern fpRegex = Pattern.compile(<a name="line.197"></a> -<span class="sourceLineNo">198</span> "[+-]?(NaN|Infinity|((((\\p{Digit}+)(\\.)?((\\p{Digit}+)?)([eE][+-]?(\\p{Digit}+))?)|(\\.((\\p{Digit}+))([eE][+-]?(\\p{Digit}+))?)|(((0[xX](\\p{XDigit}+)(\\.)?)|(0[xX](\\p{XDigit}+)?(\\.)(\\p{XDigit}+)))[pP][+-]?(\\p{Digit}+)))[fFdD]?))[\\x00-\\x20]*"<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> /**<a name="line.201"></a> -<span class="sourceLineNo">202</span> * Returns <jk>true</jk> if this string can be parsed by {@link #parseNumber(String, Class)}.<a name="line.202"></a> -<span class="sourceLineNo">203</span> *<a name="line.203"></a> -<span class="sourceLineNo">204</span> * @param s The string to check.<a name="line.204"></a> -<span class="sourceLineNo">205</span> * @return <jk>true</jk> if 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for a number.<a name="line.216"></a> -<span class="sourceLineNo">217</span> *<a name="line.217"></a> -<span class="sourceLineNo">218</span> * @param c The character to test.<a name="line.218"></a> -<span class="sourceLineNo">219</span> * @return <jk>true</jk> if the specified character is a valid first character for a number.<a name="line.219"></a> -<span class="sourceLineNo">220</span> */<a name="line.220"></a> -<span class="sourceLineNo">221</span> public static boolean isFirstNumberChar(char c) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> return firstNumberChars.contains(c);<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> /**<a name="line.225"></a> -<span class="sourceLineNo">226</span> * Returns <jk>true</jk> if the specified string is a floating point number.<a name="line.226"></a> -<span class="sourceLineNo">227</span> *<a 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<TRUNCATED>
