http://git-wip-us.apache.org/repos/asf/incubator-juneau-website/blob/5f11cb85/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 2dd5b0f..9b05a87 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 @@ -23,1553 +23,1598 @@ <span class="sourceLineNo">015</span>import static org.apache.juneau.internal.ThrowableUtils.*;<a name="line.15"></a> <span class="sourceLineNo">016</span><a name="line.16"></a> <span class="sourceLineNo">017</span>import java.io.*;<a name="line.17"></a> -<span class="sourceLineNo">018</span>import java.math.*;<a name="line.18"></a> -<span class="sourceLineNo">019</span>import java.net.*;<a name="line.19"></a> -<span class="sourceLineNo">020</span>import java.nio.*;<a name="line.20"></a> -<span class="sourceLineNo">021</span>import java.nio.charset.*;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import java.util.*;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.util.concurrent.atomic.*;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.regex.*;<a name="line.24"></a> -<span class="sourceLineNo">025</span><a name="line.25"></a> -<span class="sourceLineNo">026</span>import javax.xml.bind.*;<a name="line.26"></a> +<span class="sourceLineNo">018</span>import java.lang.reflect.*;<a name="line.18"></a> +<span class="sourceLineNo">019</span>import java.math.*;<a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.net.*;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.nio.*;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.nio.charset.*;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.text.*;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.*;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.concurrent.atomic.*;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.regex.*;<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">028</span>import javax.xml.bind.*;<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">030</span>import org.apache.juneau.*;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.juneau.json.*;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.juneau.parser.*;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.juneau.parser.ParseException;<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">035</span>/**<a name="line.35"></a> +<span class="sourceLineNo">036</span> * Reusable string utility methods.<a name="line.36"></a> +<span class="sourceLineNo">037</span> */<a name="line.37"></a> +<span class="sourceLineNo">038</span>public final class StringUtils {<a name="line.38"></a> +<span class="sourceLineNo">039</span><a name="line.39"></a> +<span class="sourceLineNo">040</span> private static final AsciiSet numberChars = new AsciiSet("-xX.+-#pP0123456789abcdefABCDEF");<a name="line.40"></a> +<span class="sourceLineNo">041</span> private static final AsciiSet firstNumberChars = new AsciiSet("+-.#0123456789");<a name="line.41"></a> +<span class="sourceLineNo">042</span> private static final AsciiSet octChars = new AsciiSet("01234567");<a name="line.42"></a> +<span class="sourceLineNo">043</span> private static final AsciiSet decChars = new AsciiSet("0123456789");<a name="line.43"></a> +<span class="sourceLineNo">044</span> private static final AsciiSet hexChars = new AsciiSet("0123456789abcdefABCDEF");<a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> // Maps 6-bit nibbles to BASE64 characters.<a name="line.46"></a> +<span class="sourceLineNo">047</span> private static final char[] base64m1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".toCharArray();<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> // Characters that do not need to be URL-encoded<a name="line.49"></a> +<span class="sourceLineNo">050</span> private static final AsciiSet unencodedChars = new AsciiSet("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.!~*'()\\");<a name="line.50"></a> +<span class="sourceLineNo">051</span><a name="line.51"></a> +<span class="sourceLineNo">052</span> // Maps BASE64 characters to 6-bit nibbles.<a name="line.52"></a> +<span class="sourceLineNo">053</span> private static final byte[] base64m2 = new byte[128];<a name="line.53"></a> +<span class="sourceLineNo">054</span> static {<a name="line.54"></a> +<span class="sourceLineNo">055</span> for (int i = 0; i < 64; i++)<a name="line.55"></a> +<span class="sourceLineNo">056</span> base64m2[base64m1[i]] = (byte)i;<a name="line.56"></a> +<span class="sourceLineNo">057</span> }<a name="line.57"></a> +<span class="sourceLineNo">058</span><a name="line.58"></a> +<span class="sourceLineNo">059</span> /**<a name="line.59"></a> +<span class="sourceLineNo">060</span> * Parses a number from the specified reader stream.<a name="line.60"></a> +<span class="sourceLineNo">061</span> *<a name="line.61"></a> +<span class="sourceLineNo">062</span> * @param r The reader to parse the string from.<a name="line.62"></a> +<span class="sourceLineNo">063</span> * @param type The number type to created. <br><a name="line.63"></a> +<span class="sourceLineNo">064</span> * Can be any of the following:<a name="line.64"></a> +<span class="sourceLineNo">065</span> * <ul><a name="line.65"></a> +<span class="sourceLineNo">066</span> * <li> Integer<a name="line.66"></a> +<span class="sourceLineNo">067</span> * <li> Double<a name="line.67"></a> +<span class="sourceLineNo">068</span> * <li> Float<a name="line.68"></a> +<span class="sourceLineNo">069</span> * <li> Long<a name="line.69"></a> +<span class="sourceLineNo">070</span> * <li> Short<a name="line.70"></a> +<span class="sourceLineNo">071</span> * <li> Byte<a name="line.71"></a> +<span class="sourceLineNo">072</span> * <li> BigInteger<a name="line.72"></a> +<span class="sourceLineNo">073</span> * <li> BigDecimal<a name="line.73"></a> +<span class="sourceLineNo">074</span> * </ul><a name="line.74"></a> +<span class="sourceLineNo">075</span> * If <jk>null</jk>, uses the best guess.<a name="line.75"></a> +<span class="sourceLineNo">076</span> * @throws IOException If a problem occurred trying to read from the reader.<a name="line.76"></a> +<span class="sourceLineNo">077</span> * @return The parsed number.<a name="line.77"></a> +<span class="sourceLineNo">078</span> * @throws Exception<a name="line.78"></a> +<span class="sourceLineNo">079</span> */<a name="line.79"></a> +<span class="sourceLineNo">080</span> public static Number parseNumber(ParserReader r, Class<? extends Number> type) throws Exception {<a name="line.80"></a> +<span class="sourceLineNo">081</span> return parseNumber(parseNumberString(r), type);<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> /**<a name="line.84"></a> +<span class="sourceLineNo">085</span> * Reads a numeric string from the specified reader.<a name="line.85"></a> +<span class="sourceLineNo">086</span> *<a name="line.86"></a> +<span class="sourceLineNo">087</span> * @param r The reader to read form.<a name="line.87"></a> +<span class="sourceLineNo">088</span> * @return The parsed number string.<a name="line.88"></a> +<span class="sourceLineNo">089</span> * @throws Exception<a name="line.89"></a> +<span class="sourceLineNo">090</span> */<a name="line.90"></a> +<span class="sourceLineNo">091</span> public static String parseNumberString(ParserReader r) throws Exception {<a name="line.91"></a> +<span class="sourceLineNo">092</span> r.mark();<a name="line.92"></a> +<span class="sourceLineNo">093</span> int c = 0;<a name="line.93"></a> +<span class="sourceLineNo">094</span> while (true) {<a name="line.94"></a> +<span class="sourceLineNo">095</span> c = r.read();<a name="line.95"></a> +<span class="sourceLineNo">096</span> if (c == -1)<a name="line.96"></a> +<span class="sourceLineNo">097</span> break;<a name="line.97"></a> +<span class="sourceLineNo">098</span> if (! numberChars.contains((char)c)) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> r.unread();<a name="line.99"></a> +<span class="sourceLineNo">100</span> break;<a name="line.100"></a> +<span class="sourceLineNo">101</span> }<a name="line.101"></a> +<span class="sourceLineNo">102</span> }<a name="line.102"></a> +<span class="sourceLineNo">103</span> return r.getMarked();<a name="line.103"></a> +<span class="sourceLineNo">104</span> }<a name="line.104"></a> +<span class="sourceLineNo">105</span><a name="line.105"></a> +<span class="sourceLineNo">106</span> /**<a name="line.106"></a> +<span class="sourceLineNo">107</span> * Parses a number from the specified string.<a name="line.107"></a> +<span class="sourceLineNo">108</span> *<a name="line.108"></a> +<span class="sourceLineNo">109</span> * @param s The string to parse the number from.<a name="line.109"></a> +<span class="sourceLineNo">110</span> * @param type The number type to created. <br><a name="line.110"></a> +<span class="sourceLineNo">111</span> * Can be any of the following:<a name="line.111"></a> +<span class="sourceLineNo">112</span> * <ul><a name="line.112"></a> +<span class="sourceLineNo">113</span> * <li> Integer<a name="line.113"></a> +<span class="sourceLineNo">114</span> * <li> Double<a name="line.114"></a> +<span class="sourceLineNo">115</span> * <li> Float<a name="line.115"></a> +<span class="sourceLineNo">116</span> * <li> Long<a name="line.116"></a> +<span class="sourceLineNo">117</span> * <li> Short<a name="line.117"></a> +<span class="sourceLineNo">118</span> * <li> Byte<a name="line.118"></a> +<span class="sourceLineNo">119</span> * <li> BigInteger<a name="line.119"></a> +<span class="sourceLineNo">120</span> * <li> BigDecimal<a name="line.120"></a> +<span class="sourceLineNo">121</span> * </ul><a name="line.121"></a> +<span class="sourceLineNo">122</span> * If <jk>null</jk>, uses the best guess.<a name="line.122"></a> +<span class="sourceLineNo">123</span> * @return The parsed number.<a name="line.123"></a> +<span class="sourceLineNo">124</span> * @throws ParseException<a name="line.124"></a> +<span class="sourceLineNo">125</span> */<a name="line.125"></a> +<span class="sourceLineNo">126</span> public static Number parseNumber(String s, Class<? extends Number> type) throws ParseException {<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> 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}<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 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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 this string can be parsed without causing an exception.<a name="line.205"></a> -<span class="sourceLineNo">206</span> */<a name="line.206"></a> -<span class="sourceLineNo">207</span> public static boolean isNumeric(String s) {<a name="line.207"></a> -<span class="sourceLineNo">208</span> if (s == null || s.isEmpty())<a name="line.208"></a> -<span class="sourceLineNo">209</span> return false;<a name="line.209"></a> -<span class="sourceLineNo">210</span> if (! isFirstNumberChar(s.charAt(0)))<a name="line.210"></a> -<span class="sourceLineNo">211</span> return false;<a name="line.211"></a> -<span class="sourceLineNo">212</span> return isDecimal(s) || isFloat(s);<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> /**<a name="line.215"></a> -<span class="sourceLineNo">216</span> * Returns <jk>true</jk> if the specified character is a valid first character 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 name="line.227"></a> -<span class="sourceLineNo">228</span> * @param s The string to check.<a name="line.228"></a> -<span class="sourceLineNo">229</span> * @return <jk>true</jk> if the specified string is a floating point number.<a name="line.229"></a> -<span class="sourceLineNo">230</span> */<a name="line.230"></a> -<span class="sourceLineNo">231</span> public static boolean isFloat(String s) {<a name="line.231"></a> -<span class="sourceLineNo">232</span> if (s == null || s.isEmpty())<a name="line.232"></a> -<span class="sourceLineNo">233</span> return false;<a 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class="sourceLineNo">245</span> return fpRegex.matcher(s).matches();<a name="line.245"></a> -<span class="sourceLineNo">246</span> }<a name="line.246"></a> -<span class="sourceLineNo">247</span> return false;<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span><a name="line.249"></a> -<span class="sourceLineNo">250</span> /**<a name="line.250"></a> -<span class="sourceLineNo">251</span> * Returns <jk>true</jk> if the specified string is numeric.<a name="line.251"></a> -<span class="sourceLineNo">252</span> *<a name="line.252"></a> -<span class="sourceLineNo">253</span> * @param s The string to check.<a name="line.253"></a> -<span class="sourceLineNo">254</span> * @return <jk>true</jk> if the specified string is numeric.<a name="line.254"></a> -<span class="sourceLineNo">255</span> */<a name="line.255"></a> -<span class="sourceLineNo">256</span> public static boolean isDecimal(String s) {<a name="line.256"></a> 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class="sourceLineNo">269</span> if (i == length)<a name="line.269"></a> -<span class="sourceLineNo">270</span> return false;<a name="line.270"></a> -<span class="sourceLineNo">271</span> c = s.charAt(i++);<a name="line.271"></a> -<span class="sourceLineNo">272</span> if (c == '0' && length > (isPrefixed ? 2 : 1)) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> c = s.charAt(i++);<a name="line.273"></a> -<span class="sourceLineNo">274</span> if (c == 'x' || c == 'X') {<a name="line.274"></a> -<span class="sourceLineNo">275</span> for (int j = i; j < length; j++) {<a name="line.275"></a> -<span class="sourceLineNo">276</span> if (! hexChars.contains(s.charAt(j)))<a name="line.276"></a> -<span class="sourceLineNo">277</span> return false;<a name="line.277"></a> -<span class="sourceLineNo">278</span> }<a name="line.278"></a> -<span class="sourceLineNo">279</span> } else if (octChars.contains(c)) {<a name="line.279"></a> -<span class="sourceLineNo">280</span> for (int j = i; j < length; j++)<a name="line.280"></a> -<span class="sourceLineNo">281</span> if (! octChars.contains(s.charAt(j)))<a name="line.281"></a> +<span class="sourceLineNo">128</span> if (s.isEmpty())<a name="line.128"></a> +<span class="sourceLineNo">129</span> s = "0";<a name="line.129"></a> +<span class="sourceLineNo">130</span> if (type == null)<a name="line.130"></a> +<span class="sourceLineNo">131</span> type = Number.class;<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> try {<a name="line.133"></a> +<span class="sourceLineNo">134</span> // Determine the data type if it wasn't specified.<a name="line.134"></a> +<span class="sourceLineNo">135</span> boolean isAutoDetect = (type == Number.class);<a name="line.135"></a> +<span class="sourceLineNo">136</span> boolean isDecimal = false;<a name="line.136"></a> +<span class="sourceLineNo">137</span> if (isAutoDetect) {<a name="line.137"></a> +<span class="sourceLineNo">138</span> // If we're auto-detecting, then we use either an Integer, Long, or Double depending on how<a name="line.138"></a> +<span class="sourceLineNo">139</span> // long the string is.<a name="line.139"></a> +<span class="sourceLineNo">140</span> // An integer range is -2,147,483,648 to 2,147,483,647<a name="line.140"></a> +<span class="sourceLineNo">141</span> // An long range is -9,223,372,036,854,775,808 to +9,223,372,036,854,775,807<a name="line.141"></a> +<span class="sourceLineNo">142</span> isDecimal = isDecimal(s);<a name="line.142"></a> +<span class="sourceLineNo">143</span> if (isDecimal) {<a name="line.143"></a> +<span class="sourceLineNo">144</span> if (s.length() > 20)<a name="line.144"></a> +<span class="sourceLineNo">145</span> type = Double.class;<a name="line.145"></a> +<span class="sourceLineNo">146</span> else if (s.length() >= 10)<a name="line.146"></a> +<span class="sourceLineNo">147</span> type = Long.class;<a name="line.147"></a> +<span class="sourceLineNo">148</span> else<a name="line.148"></a> +<span class="sourceLineNo">149</span> type = Integer.class;<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span> else if (isFloat(s))<a name="line.151"></a> +<span class="sourceLineNo">152</span> type = Double.class;<a name="line.152"></a> +<span class="sourceLineNo">153</span> else<a name="line.153"></a> +<span class="sourceLineNo">154</span> throw new NumberFormatException(s);<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> if (type == Double.class || type == Double.TYPE) {<a name="line.157"></a> +<span class="sourceLineNo">158</span> Double d = Double.valueOf(s);<a name="line.158"></a> +<span class="sourceLineNo">159</span> Float f = Float.valueOf(s);<a name="line.159"></a> +<span class="sourceLineNo">160</span> if (isAutoDetect && (!isDecimal) && d.toString().equals(f.toString()))<a name="line.160"></a> +<span class="sourceLineNo">161</span> return f;<a name="line.161"></a> +<span class="sourceLineNo">162</span> return d;<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span> if (type == Float.class || type == Float.TYPE)<a name="line.164"></a> +<span class="sourceLineNo">165</span> return Float.valueOf(s);<a name="line.165"></a> +<span class="sourceLineNo">166</span> if (type == BigDecimal.class)<a name="line.166"></a> +<span class="sourceLineNo">167</span> return new BigDecimal(s);<a name="line.167"></a> +<span class="sourceLineNo">168</span> if (type == Long.class || type == Long.TYPE || type == AtomicLong.class) {<a name="line.168"></a> +<span class="sourceLineNo">169</span> try {<a name="line.169"></a> +<span class="sourceLineNo">170</span> Long l = Long.decode(s);<a name="line.170"></a> +<span class="sourceLineNo">171</span> if (type == AtomicLong.class)<a name="line.171"></a> +<span class="sourceLineNo">172</span> return new AtomicLong(l);<a name="line.172"></a> +<span class="sourceLineNo">173</span> if (isAutoDetect && l >= Integer.MIN_VALUE && l <= Integer.MAX_VALUE) {<a name="line.173"></a> +<span class="sourceLineNo">174</span> // This occurs if the string is 10 characters long but is still a valid integer value.<a name="line.174"></a> +<span class="sourceLineNo">175</span> return l.intValue();<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span> return l;<a name="line.177"></a> +<span class="sourceLineNo">178</span> } catch (NumberFormatException e) {<a name="line.178"></a> +<span class="sourceLineNo">179</span> if (isAutoDetect) {<a name="line.179"></a> +<span class="sourceLineNo">180</span> // This occurs if the string is 20 characters long but still falls outside the range of a valid long.<a name="line.180"></a> +<span class="sourceLineNo">181</span> return Double.valueOf(s);<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span> throw e;<a name="line.183"></a> +<span class="sourceLineNo">184</span> }<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span> if (type == Integer.class || type == Integer.TYPE)<a name="line.186"></a> +<span class="sourceLineNo">187</span> return Integer.decode(s);<a name="line.187"></a> +<span class="sourceLineNo">188</span> if (type == Short.class || type == Short.TYPE)<a name="line.188"></a> +<span class="sourceLineNo">189</span> return Short.decode(s);<a name="line.189"></a> +<span class="sourceLineNo">190</span> if (type == Byte.class || type == Byte.TYPE)<a name="line.190"></a> +<span class="sourceLineNo">191</span> return Byte.decode(s);<a name="line.191"></a> +<span class="sourceLineNo">192</span> if (type == BigInteger.class)<a name="line.192"></a> +<span class="sourceLineNo">193</span> return new BigInteger(s);<a name="line.193"></a> +<span class="sourceLineNo">194</span> if (type == AtomicInteger.class)<a name="line.194"></a> +<span class="sourceLineNo">195</span> return new AtomicInteger(Integer.decode(s));<a name="line.195"></a> +<span class="sourceLineNo">196</span> throw new ParseException("Unsupported Number type: {0}", type.getName());<a name="line.196"></a> +<span class="sourceLineNo">197</span> } catch (NumberFormatException e) {<a name="line.197"></a> +<span class="sourceLineNo">198</span> throw new ParseException("Invalid number: ''{0}'', class=''{1}''", s, type.getSimpleName()).initCause(e);<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> private final static Pattern fpRegex = Pattern.compile(<a name="line.202"></a> +<span class="sourceLineNo">203</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.203"></a> +<span class="sourceLineNo">204</span> );<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> * Returns <jk>true</jk> if this string can be parsed by {@link #parseNumber(String, Class)}.<a name="line.207"></a> +<span class="sourceLineNo">208</span> *<a name="line.208"></a> +<span class="sourceLineNo">209</span> * @param s The string to check.<a name="line.209"></a> +<span class="sourceLineNo">210</span> * @return <jk>true</jk> if this string can be parsed without causing an exception.<a name="line.210"></a> +<span class="sourceLineNo">211</span> */<a name="line.211"></a> +<span class="sourceLineNo">212</span> public static boolean isNumeric(String s) {<a name="line.212"></a> +<span class="sourceLineNo">213</span> if (s == null || s.isEmpty())<a name="line.213"></a> +<span class="sourceLineNo">214</span> return false;<a name="line.214"></a> +<span class="sourceLineNo">215</span> if (! isFirstNumberChar(s.charAt(0)))<a name="line.215"></a> +<span class="sourceLineNo">216</span> return false;<a name="line.216"></a> +<span class="sourceLineNo">217</span> return isDecimal(s) || isFloat(s);<a name="line.217"></a> +<span class="sourceLineNo">218</span> }<a name="line.218"></a> +<span class="sourceLineNo">219</span><a name="line.219"></a> +<span class="sourceLineNo">220</span> /**<a name="line.220"></a> +<span class="sourceLineNo">221</span> * Returns <jk>true</jk> if the specified character is a valid first character for a number.<a name="line.221"></a> +<span class="sourceLineNo">222</span> *<a name="line.222"></a> +<span class="sourceLineNo">223</span> * @param c The character to test.<a name="line.223"></a> +<span class="sourceLineNo">224</span> * @return <jk>true</jk> if the specified character is a valid first character for a number.<a name="line.224"></a> +<span class="sourceLineNo">225</span> */<a name="line.225"></a> +<span class="sourceLineNo">226</span> public static boolean isFirstNumberChar(char c) {<a name="line.226"></a> +<span class="sourceLineNo">227</span> return firstNumberChars.contains(c);<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> /**<a name="line.230"></a> +<span class="sourceLineNo">231</span> * Returns <jk>true</jk> if the specified string is a floating point number.<a name="line.231"></a> +<span class="sourceLineNo">232</span> *<a name="line.232"></a> +<span 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