commonvalidator.java

持久层hibernate技术使用的一个例子

package cn.hope.front.form.validation;
import java.io.Serializable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class CommonValidator implements Serializable
{
	/**
	 * Empty
	 */
	public boolean isEmpty(String s) {
		return s == null || s.equals("");
	}

	public boolean isEmptyWithoutNull(String s) {
		return s == null || s.trim().equals("");
	}
	public boolean isSpace(char c) {
		return isHalfWidthSpace(c) || isFullWidthSpace(c);
	}

	public boolean isSpace(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isSpace(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isHalfWidthSpace(char c) {
		return c == 0x0020;
	}

	public boolean isHalfWidthSpace(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidthSpace(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidthSpace(char c) {
		return c == 0x3000;
	}

	public boolean isFullWidthSpace(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isFullWidthSpace(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Digit
	 */
	public boolean isDigit(char c) // '0' ~ '9' || '?' ~ '?'
	{
		return isHalfWidthDigit(c) ;
	}

	public boolean isDigit(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isDigit(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isHalfWidthDigit(char c) // '0' ~ '9'
	{
		return (c >= 0x0030 && c <= 0x0039);
	}

	public boolean isHalfWidthDigit(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidthDigit(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidthDigit(char c) // '?' ~ '?'
	{
		return (c >= 0xFF10 && c <= 0xFF19);
	}

	public boolean isFullWidthDigit(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isFullWidthDigit(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Alpha
	 */
	public boolean isAlpha(char c) // A~Z || a~z || ? ~ !) || ? ~ ?
	{
		return isHalfWidthAlpha(c) || isFullWidthAlpha(c);
	}

	public boolean isAlpha(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isAlpha(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isHalfWidthAlpha(char c) // A~Z || a~z
	{
		return isHalfWidthAlphaLower(c) || isHalfWidthAlphaUpper(c);
	}

	public boolean isHalfWidthAlpha(String s) {
		if (s == null)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidthAlpha(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidthAlpha(char c) // ? ~ !) || ? ~ ?
	{
		return isFullWidthAlphaLower(c) || isFullWidthAlphaUpper(c);
	}

	public boolean isFullWidthAlpha(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isFullWidthAlpha(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isHalfWidthAlphaLower(char c) // a~z
	{
		return (c >= 0x0061 && c <= 0x007A);
	}

	public boolean isHalfWidthAlphaLower(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidthAlphaLower(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidthAlphaLower(char c) // ? ~ ?
	{
		return (c >= 0xFF41 && c <= 0xFF5A);
	}

	public boolean isFullWidthAlphaLower(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isFullWidthAlphaLower(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isHalfWidthAlphaUpper(char c) // A~Z
	{
		return (c >= 0x0041 && c <= 0x005A);
	}

	public boolean isHalfWidthAlphaUpper(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidthAlphaUpper(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidthAlphaUpper(char c) // ? ~ !)
	{
		return (c >= 0xFF21 && c <= 0xFF3A);
	}

	public boolean isFullWidthAlphaUpper(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isFullWidthAlphaUpper(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Kanji
	 */
	public boolean isKanji(char c) {
		return (c >= 0x2E80 && c <= 0x2EFF) // CJK Radicals
														   // Supplement
				|| (c >= 0x2F00 && c <= 0x2FDF) // Kangxi Radicals
				|| (c >= 0x3100 && c <= 0x312F) // Bopomofo
				|| (c >= 0x31A0 && c <= 0x31BF) // Bopomofo
															 // extended
				|| (c >= 0x3400 && c <= 0x4DBF) // CJK Unified
															 // Ideographs
				|| (c >= 0x4E00 && c <= 0x9FAF) // CJK Unified
															 // Ideographs
				|| (c >= 0xf900 && c <= 0xFAFF); // CJK
															 // Compatibility
															 // Ideographs
	}

	public boolean isKanji(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isKanji(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Hiragana
	 */
	public boolean isHiragana(char c) {
		return (c >= 0x3040 && c <= 0x309F);
	}

	public boolean isHiragana(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHiragana(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Kana
	 */
	public boolean isKana(char c) {
		return isHalfWidthKana(c) || isFullWidthKana(c);
	}

	public boolean isKana(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isKana(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isHalfWidthKana(char c) {
		return (c >= 0xff61 && c <= 0xff9f);
	}

	public boolean isHalfWidthKana(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidthKana(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidthKana(char c) {
		return (c >= 0x3040 && c <= 0x30ff);
	}

	public boolean isFullWidthKana(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isFullWidthKana(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Latin
	 */
	public boolean isLatin(char c) {
		return (c >= 0x0020 && c <= 0x009F);
	}

	public boolean isLatin(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isLatin(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Full/Half width
	 */
	public boolean isHalfWidth(char c) {
		return isLatin(c) || isHalfWidthKana(c);
	}

	public boolean isHalfWidth(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (!isHalfWidth(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}

	public boolean isFullWidth(char c) {
		return isFullWidthSpace(c) || isFullWidthDigit(c)
				|| isFullWidthAlpha(c) || isFullWidthKana(c) || isKanji(c)
				|| isHiragana(c);
	}

	public boolean isFullWidth(String s) {
		if (s == null || s.length() == 0)
			return false;
		for (int i = 0, len = s.length(); i < len; i++) {
			if (isHalfWidth(s.charAt(i))) {
				return false;
			}
		}
		return true;
	}
       
	public boolean isURL(String s) {
		if (s == null || s.length() == 0)
			return false;
		Pattern p = Pattern.compile("^http://.+..+$");
		Matcher m = p.matcher(s);
		return m.matches();
	}    
	public boolean isGB2312( String str )
	{
		if(str==null || str.length()==0)
			return false;
	     char[] chars = str.toCharArray();
	     boolean isGB2312 = false;
	     for ( int i = 0; i < chars.length; i++ ){
	         byte[] bytes = ( "" + chars[i] ).getBytes();
	         if ( bytes.length == 2 ){
	             int[] ints = new int[2];
	             ints[0] = bytes[0] & 0xff;
	             ints[1] = bytes[1] & 0xff;
	             if ( ints[0] >= 0x81 && ints[0] <= 0xFE && 
	                                 ints[1] >= 0x40 && ints[1]<=0xFE ){
	                 isGB2312 = true;
	                 break;
	             }
	         }
	     }
	     return isGB2312;
	}

}