If type converter--Convert

package com.ruoyi.common.core.text; 

import java.math.BigDecimal; 
import java.math.BigInteger; 
import java.nio.ByteBuffer; 
import java.nio.charset.Charset; 
import java.text.NumberFormat; 
import java .util.Set; 
import com.ruoyi.common.utils.StringUtils; 

/** 
 * Type converter 
 * 
 * @author ruoyi 
 */ 
public class Convert 
{ 
    /** 
     * Convert to string<br> 
     * If the given The value is null, or the conversion fails, and the default value is returned<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion error occurs 
     * @return result  
     */
    public static String toStr(Object value , String defaultValue)
    { 
        if (null == value) 
        { 
            return defaultValue; 
        } 
        if (value instanceof String) 
        { 
            return (String) value; 
        } 
        return value.toString(); 
    } 

    /** 
     * convert to string<br> 
     * if given The value is <code>null</code>, or if the conversion fails, it will return the default value <code>null</code><br> 
     * If the conversion fails, no error will be reported 
     * 
     * @param value is the converted value 
     * @return result 
     * / 
    public static String toStr(Object value) 
    { 
        return toStr(value, null); 
    } 

    /** 
     * Convert to character<br> 
     * If the given value is null, or the conversion fails, return the default value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion fails 
     * @return Result 
     */ 
    public static Character toChar(Object value, Character defaultValue) 
    { 
        if (null == value) 
        { 
            return defaultValue; 
        } 
        if (value instanceof Character) 
        { 
            return (Character) value; 
        } 

        final String valueStr = toStr(value, null ); 
        return StringUtils.isEmpty(valueStr) ? defaultValue : valueStr.charAt(0); 
    } 

    /**
     * Convert to a character<br> 
     * If the given value is <code>null</code>, or the conversion fails, return the default value <code>null</code><br> 
     * No error will be reported if the conversion fails 
     * 
     * @ param value converted value 
     * @return result 
     */ 
    public static Character toChar(Object value) 
    { 
        return toChar(value, null); 
    } 

    /** 
     * converted to byte<br> 
     * if the given value is <code> null</code>, or if the conversion fails, return to the default value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion fails 
     * @return result 
     */ 
    public static Byte toByte(Object value,Byte defaultValue)
    {
        if (value == null) 
        { 
            return defaultValue;
        }
        if (value instanceof Byte)
        {
            return (Byte) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).byteValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Byte.parseByte(valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * Convert to byte<br> 
     * If the given value is <code>null</code>, or the conversion fails, return the default value <code>null</code><br> 
     * No error will be reported if the conversion fails 
     * 
     * @ param value The converted value 
     * @return result 
     */ 
    public static Byte toByte(Object value) 
    { 
        return toByte(value, null); 
    } 

    /** 
     * Convert to Short<br> 
     * If the given value is <code> null</code>, or the conversion fails, return the default value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion error occurs 
     * @return result 
     */ 
    public static Short toShort(Object value,Short defaultValue)
    {
        if (value == null) 
        {
            return defaultValue;
        }
        if (value instanceof Short)
        {
            return (Short) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).shortValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Short.parseShort(valueStr.trim());
        }
        catch (Exception e)
        {
            return defaultValue;
        } 
    } 

    /** 
     * Convert to Short<br> 
     * If the given value is <code>null</code>, or the conversion fails, return the default value <code>null</code><br> 
     * The conversion fails An error will be reported 
     * 
     * @param value converted value 
     * @return result 
     */ 
    public static Short toShort(Object value) 
    { 
        return toShort(value, null); 
    } 

    /** 
     * converted to Number<br> 
     * if given If the value is empty, or the conversion fails, return to the default value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion fails 
     * @return result 
     */ 
    public static Number toNumber( Object value,Number defaultValue)
    {Number defaultValue)
        if (value == null)
        { 
            return defaultValue; 
        } 
        if (value instanceof Number) 
        { 
            return (Number) value; 
        } 
        final String valueStr = toStr(value, null); 
        if (StringUtils.isEmpty(valueStr)) 
        { 
            return defaultValue; 
        } 
        try 
        { 
            return NumberFormat.getInstance ().parse(valueStr); 
        } 
        catch (Exception e) 
        { 
            return defaultValue; 
        } 
    } 

    /**
     * 转换为Number<br>
     * If the given value is empty, or the conversion fails, the default value <code>null</code><br> is returned 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @return result 
     */ 
    public static Number toNumber(Object value) 
    { 
        return toNumber(value, null); 
    } 

    /** 
     * Convert to int<br> 
     * If the given value is empty or the conversion fails, return the default value<br> 
     * If the conversion fails, it will not Report an error 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion error occurs 
     * @return result 
     */ 
    public static Integer toInt(Object value, Integer defaultValue) 
    { 
        if (value == null) 
        { 
            return defaultValue; 
        } 
        if (value instanceof Integer) 
        {
            return (Integer) value; 
        } 
        if (value instanceof Number) 
        { 
            return ((Number) value).intValue(); 
        } 
        final String valueStr = toStr(value, null); 
        if (StringUtils.isEmpty(valueStr)) 
        { 
            return defaultValue ; 
        } 
        try 
        { 
            return Integer.parseInt(valueStr.trim()); 
        } 
        catch (Exception e) 
        { 
            return defaultValue; 
        } 
    } 

    /** 
     * 转换为int<br>
     * If the given value is <code>null</code>, or the conversion fails , return the default value <code>null</code><br>
     * No error will be reported if conversion fails 
     * 
     * @param value The converted value 
     * @return result 
     */ 
    public static Integer toInt(Object value) 
    { 
        return toInt(value, null); 
    } 

    /** 
     * Convert to Integer array<br> 
     * 
     * @param str The converted value 
     * @return result 
     */ 
    public static Integer[] toIntArray(String str) 
    { 
        return toIntArray(",", str); 
    } 

    /** 
     * Convert to Long array<br> 
     * 
     * @param str The converted value 
     * @return result  
     */
    public static Long[] toLongArray(String str) 
    {
        return toLongArray(",", str); 
    } 

    /** 
     * Convert to Integer array<br> 
     * 
     * @param split delimiter 
     * @param split converted value 
     * @return result 
     */ 
    public static Integer[] toIntArray( String split, String str) 
    { 
        if (StringUtils.isEmpty(str)) 
        { 
            return new Integer[] {}; 
        } 
        String[] arr = str.split(split); 
        final Integer[] ints = new Integer[arr.length ]; 
        for (int i = 0; i < arr.length; i++) 
        { 
            final Integer v = toInt(arr[i], 0); 
            ints[i] = v; 
        }
        return ints; 
    } 

    /** 
     * converted to Long array<br> 
     * 
     * @param split delimiter 
     * @param str converted value 
     * @return result 
     */ 
    public static Long[] toLongArray(String split, String str) 
    { 
        if (StringUtils.isEmpty(str)) 
        { 
            return new Long[] {}; 
        } 
        String[] arr = str.split(split); 
        final Long[] longs = new Long[arr.length]; 
        for (int i = 0; i < arr.length; i++) 
        { 
            final Long v = toLong(arr[i], null); 
            longs[i] = v;  
        }
        return longs; 
    }

    /** 
     * Convert to String array<br> 
     * 
     * @param str converted value 
     * @return result 
     */ 
    public static String[] toStrArray(String str) 
    { 
        return toStrArray(",", str); 
    } 

    /* * 
     * Convert to String array<br> 
     * 
     * @param split delimiter 
     * @param split converted value 
     * @return result 
     */ 
    public static String[] toStrArray(String split, String str) 
    { 
        return str.split(split ); } 
    / 

    ** 
     * Convert to long<br> 
     * If the given value is empty, or the conversion fails, return the default value<br>  
     * No error will be reported if the conversion fails.
     * 
     * @param value The value to be converted
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Long toLong(Object value, Long defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Long)
        {
            return (Long) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).longValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        } 
     * No error will be reported if the conversion fails.
        try
        {
            // Support scientific notation 
            return new BigDecimal(valueStr.trim()).longValue(); 
        } 
        catch (Exception e) 
        { 
            return defaultValue; 
        } 
    } 

    /** 
     * Convert to long<br> 
     * If the given value is <code>null</code>, or the conversion fails, the default value is returned <code>null</code><br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @return result 
     */ 
    public static Long toLong(Object value) 
    { 
        return toLong(value, null); 
    } 

    /** 
     * Convert to double<br> 
     * If the given value is empty or the conversion fails, return the default value<br> 
     *
     * @param value The converted value 
     * @param defaultValue The default value when conversion error occurs 
     * @return result 
     */ 
    public static Double toDouble(Object value, Double defaultValue) 
    { 
        if (value == null) 
        { 
            return defaultValue; 
        } 
        if ( value instanceof Double) 
        { 
            return (Double) value; 
        } 
        if (value instanceof Number) 
        { 
            return ((Number) value).doubleValue(); 
        } 
        final String valueStr = toStr(value, null); 
        if (StringUtils.isEmpty(valueStr )) 
        {
            return defaultValue; 
        } 
        try 
        { 
            // support scientific notation 
            return new BigDecimal(valueStr.trim()).doubleValue(); 
        } 
        catch (Exception e) 
        { 
            return defaultValue; 
        } 
    } 

    /** 
     * convert to double<br> 
     * If the given value is empty, or the conversion fails, return the default value <code>null</code><br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value the converted value 
     * @return result 
     */ 
    public static Double toDouble(Object value) 
    { 
        return toDouble(value, null); 
    } 
 
    /**
     * Convert to Float<br>
     * If the given value is empty, or the conversion fails, return the default value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion fails 
     * @return result 
     */ 
    public static Float toFloat(Object value, Float defaultValue) 
    { 
        if (value == null) 
        { 
            return defaultValue; 
        } 
        if (value instanceof Float) 
        { 
            return (Float) value; 
        } 
        if (value instanceof Number) 
        { 
            return ((Number) value).floatValue();  
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr)) 
        { 
            return defaultValue; 
        } 
        try 
        { 
            return Float.parseFloat(valueStr.trim()); 
        } 
        catch (Exception e) 
        { 
            return defaultValue; 
        } 
    } 

    /** 
     * Convert to Float<br> 
     * If the given value is empty, or the conversion fails, the default value <code>null</code><br> is returned 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @return result 
     */ 
    public static Float toFloat(Object value)  
    {
        return toFloat(value, null); 
    } 

    /** 
     * converted to boolean<br> 
     * String supported values: true, false, yes, ok, no, 1,0 If the given value is empty, or the conversion fails, return the default Value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value the converted value 
     * @param defaultValue the default value when the conversion fails 
     * @return result 
     */ 
    public static Boolean toBool(Object value, Boolean defaultValue) 
    { 
        if (value == null) 
        { 
            return defaultValue; 
        } 
        if (value instanceof Boolean) 
        { 
            return (Boolean) value; 
        } 
        String valueStr = toStr(value, null); 
        if (StringUtils.isEmpty(valueStr)) 
        { 
            return defaultValue; 
        }
        valueStr = valueStr.trim().toLowerCase();
        switch (valueStr)
        {
            case "true":
                return true;
            case "false":
                return false;
            case "yes":
                return true;
            case "ok":
                return true;
            case "no":
                return false;
            case "1":
                return true;
            case "0":
                return false;
            default:
                return defaultValue;
        } 
    }

    /**
     * 转换为boolean<br>
     * If the given value is empty, or the conversion fails, return the default value <code>null</code><br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value the converted value 
     * @return result 
     */ 
    public static Boolean toBool(Object value) 
    { 
        return toBool(value, null); 
    } 

    /** 
     * Convert to Enum object<br> 
     * If the given value is empty, or the conversion fails, return the default value<br> 
     * 
     * @ param clazz Enum's Class 
     * @param value value 
     * @param defaultValue default value 
     * @return Enum 
     */ 
    public static <E extends Enum<E>> E toEnum(Class<E> clazz, Object value, E defaultValue) 
    { 
        if ( value == null) 
        {
            return defaultValue;
        }
        if (clazz.isAssignableFrom(value.getClass()))
        {
            @SuppressWarnings("unchecked")
            E myE = (E) value;
            return myE;
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Enum.valueOf(clazz, valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /** 
     * Convert to Enum object<br> 
     * If the given value is empty, or the conversion fails, return the default value <code>null</code><br> 
     * 
     * @param clazz Enum's Class 
     * @param value Value 
     * @return Enum 
     */ 
    public static <E extends Enum<E>> E toEnum(Class<E> clazz, Object value) 
    { 
        return toEnum(clazz, value, null); 
    } 

    /** 
     * Convert to BigInteger<br > 
     * If the given value is empty, or the conversion fails, return the default value<br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion error occurs 
     * @return result 
     * / 
    public static BigInteger toBigInteger(Object value,BigInteger defaultValue) 
    { 
        if (value == null) 
        { 
            return defaultValue;
        }
        if (value instanceof BigInteger)
        {
            return (BigInteger) value;
        }
        if (value instanceof Long)
        {
            return BigInteger.valueOf((Long) value);
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return new BigInteger(valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /** 
     * Convert to BigInteger<br> 
     * If the given value is empty, or the conversion fails, return the default value <code>null</code><br> 
     * No error will be reported if the conversion fails 
     * 
     * @param value is converted value 
     * @return result 
     */ 
    public static BigInteger toBigInteger(Object value) 
    { 
        return toBigInteger(value, null); 
    } 

    /** 
     * Convert to BigDecimal<br> 
     * If the given value is empty or the conversion fails, return Default value<br> 
     * No error will be reported if conversion fails 
     * 
     * @param value The converted value 
     * @param defaultValue The default value when the conversion error occurs 
     * @return result 
     */ 
    public static BigDecimal toBigDecimal(Object value, BigDecimal defaultValue) 
    { 
        if (value == null ) 
        {
            return defaultValue;
        }
        if (value instanceof BigDecimal)
        {
            return (BigDecimal) value;
        }
        if (value instanceof Long)
        {
            return new BigDecimal((Long) value);
        }
        if (value instanceof Double)
        {
            return new BigDecimal((Double) value);
        }
        if (value instanceof Integer)
        {
            return new BigDecimal((Integer) value);
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        { 
            return defaultValue;
        }
        try 
        { 
            return new BigDecimal(valueStr); 
        } 
        catch (Exception e) 
        { 
            return defaultValue; 
        } 
    } 

    /** 
     * Convert to BigDecimal<br> 
     * If the given value is empty, or the conversion fails, return the default value<br > 
     * No error will be reported if the conversion fails 
     * 
     * @param value the converted value 
     * @return result 
     */ 
    public static BigDecimal toBigDecimal(Object value) 
    { 
        return toBigDecimal(value, null); 
    } 

    /** 
     * convert the object to a string <br> 
     * 1. Byte arrays and ByteBuffer will be converted into arrays corresponding to strings 2. Object arrays will call the Arrays.toString method
     * 
     * @param obj Object  
     * @return string 
     */
    public static String utf8Str(Object obj) 
    { 
        return str(obj, CharsetKit.CHARSET_UTF_8); 
    } 

    /** 
     * Convert the object to a string<br> 
     * 1. Byte arrays and ByteBuffer will be converted to Array corresponding to string 2. The object array will call the Arrays.toString method 
     * 
     * @param obj object 
     * @param charsetName character set 
     * @return string 
     */ 
    public static String str(Object obj, String charsetName) 
    { 
        return str(obj , Charset.forName(charsetName)); 
    } 

    /** 
     * Convert the object to a string<br> 
     * 1. Byte arrays and ByteBuffer will be converted into arrays corresponding to strings 2. The object array will call the Arrays.toString method 
     * 
     * @param obj object 
     * @ param charset character set
     * @return 字符串
     */
    public static String str(Object obj, Charset charset)
    {
        if (null == obj)
        {
            return null;
        }

        if (obj instanceof String)
        {
            return (String) obj;
        }
        else if (obj instanceof byte[] || obj instanceof Byte[])
        {
            return str((Byte[]) obj, charset);
        }
        else if (obj instanceof ByteBuffer)
        {
            return str((ByteBuffer) obj, charset);
        }
        return obj.toString();
    }

    /** 
            return null;
     * Convert byte array to string 
     * 
     * @param bytes byte array 
     * @param charset character set 
     * @return string 
     */ 
    public static String str(byte[] bytes, String charset) 
    { 
        return str(bytes, StringUtils.isEmpty (charset) ? Charset.defaultCharset() : Charset.forName(charset)); 
    } 

    /** 
     * Decode bytecode 
     * 
     * @param data string 
     * @param charset character set, if this field is empty, the decoded The result depends on the platform 
     * @return decoded string 
     */ 
    public static String str(byte[] data, Charset charset) 
    { 
        if (data == null) 
        { 
        } 

        if (null == charset)
        { 
            return new String(data); 
        } 
        return new String(data, charset); 
    } 

    /** 
     * Convert the encoded byteBuffer data to a string 
     * 
     * @param data data 
     * @param charset character set, if it is empty, use the current System character set 
     * @return string 
     */ 
    public static String str(ByteBuffer data, String charset) 
    { 
        if (data == null) 
        { 
            return null; 
        } 

        return str(data, Charset.forName(charset)); 
    } 

    /* * 
     * Convert encoded byteBuffer data to string 
     * 
     * @param data data
     * @param charset character set, if empty, use the current system character set 
     * @return string 
     */ 
    public static String str(ByteBuffer data, Charset charset) 
    { 
        if (null == charset) 
        { 
            charset = Charset.defaultCharset(); 
        } 
        return charset.decode(data).toString(); 
    } 

    // ---------------------------------- ------------------------------------- Full-width and half-width conversion 
    /** 
     * Half-width to full-width 
     * 
     * @ param input String. 
     * @return full-width string. 
     */ 
    public static String toSBC(String input) 
    { 
        return toSBC(input, null); 
    } 

    /** 
     * Half-width to full-width 
     *
     * @param input String 
     * @param notConvertSet Character set not to be replaced 
     * @return full-width string. 
     */ 
    public static String toSBC(String input, Set<Character> notConvertSet) 
    { 
        char c[] = input.toCharArray(); 
        for (int i = 0; i < c. length; i++) 
        { 
            if (null != notConvertSet && notConvertSet.contains(c[i])) 
            { 
                // Skip characters that will not be replaced 
                continue; 
            } 

            if (c[i] == ' ') 
            { 
                c[i] = '\u3000'; 
            } 
            else if (c[i] < '\177')  
            {
                c[i] = (char) (c[i] + 65248);

            } 
        } 
        return new String(c); 
    } 

    /** 
     * Full-width to half-width 
     * 
     * @param input String. 
     * @return half-width string 
     */ 
    public static String toDBC(String input) 
    { 
        return toDBC(input, null); 
    } 

    /** 
     *Replace full-width with half-width 
     * 
     * @param text text 
     * @param notConvertSet Character set not to be replaced 
     * @return replaced characters 
     */ 
    public static String toDBC(String text, Set<Character> notConvertSet) 
    { 
        char c[] = text.toCharArray();
        for (int i = 0; i < c.length; i++)
        {
            if (null != notConvertSet && notConvertSet.contains(c[i])) 
     *
     * To convert the digital amount to uppercase, first write a complete one and then replace it with a zero
    / **
    }
        return returnString;
        String returnString = new String(c);
        }
            }
                c[i] = (char) (c[i] - 65248);
            {
            else if (c[i] > '\uFF00' && c[i] < '\uFF5F')
            }
                c[i] = ' ';
            {
            if (c[i] == '\u3000')
            }
                continue;
                // Skip characters that will not be replaced
            {



     * @param n Number  
     * @return Chinese uppercase number 
     */ 
    public static String digitUppercase(double n) 
    {
        String[] fraction = { "angle", "fen" }; 
        String[] digit = { "zero", "one", "two", "three", "four", "wu", "Lu", "Qi", "Ba", "Jiu" }; 
        String[][] unit = { { "yuan", "ten thousand", "billion" }, { "", "pick up", "hundred" , "千" } }; 

        String head = n < 0 ? "Negative" : ""; 
        n = Math.abs(n); 

        String s = ""; 
        for (int i = 0; i < fraction.length; i++ ) 
        { 
            s += (digit[(int) (Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(zero.)+","");
        }
        if (s.length() < 1)
        {
            s = "整";
        }
        int integerPart = (int) Math.floor(n);

        for (int i = 0; i < unit[0].length && integerPart > 0; i++)
        { 
            String p = ""; 
            for (int j = 0; j < unit[1].length && n > 0; j++) 
            { 
                p = digit[integerPart % 10] + unit[1][j] + p; 
                integerPart = integerPart / 10; 
            } 
            s = p.replaceAll("(zero.)*zero$", "").replaceAll("^$", "zero") + unit[0][i] + s; 
        } 
        return head + s.replaceAll("(zero.)*zero yuan", "元").replaceFirst("(zero.)+", "").replaceAll("(zero.)+", "zero"). replaceAll("^whole$", "zero dollar whole"); 
    } 
}