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  1. package myapp.util;
  2.  
  3. import java.io.IOException;
  4.  
  5. public final class UrlUtil {
  6.     public static final String ENC_SJIS = "SJIS";
  7. 	public static final String ENC_UTF8 = "UTF-8";
  8.  
  9. 	private UrlUtil() {
  10. 	}
  11.  
  12. 	public static final String urlencode(String src) throws IOException {
  13. 		return UrlUtil.urlencode(src, UrlUtil.ENC_SJIS);
  14. 	}
  15.  
  16. 	public static final String urlencode(String src, String enc) throws IOException {
  17. 		byte[] data = src.getBytes(enc);
  18. 		int n = data.length;
  19. 		StringBuffer buf = new StringBuffer(n);
  20. 		for (int i = 0; i < n; i++) {
  21. 			int b = 0xFF & (int)data[i];
  22. 			if ((b < 0x21) || (b > 0x7E)) {
  23. 				buf.append('%');
  24. 				if (b < 0x10) {
  25. 					buf.append('0');
  26. 				}
  27. 				buf.append(Integer.toHexString(b).toUpperCase());
  28. 			} else {
  29. 				char c = (char)b;
  30. 				if ((Character.digit(c, 36)) == -1) {
  31. 					switch (c) {
  32. 					case '_':
  33. 					case '~':
  34. 					case '.':
  35. 					case '-':
  36. 						buf.append(c);
  37. 						break;
  38. 					default:						
  39. 						buf.append('%');
  40. 						buf.append(Integer.toHexString(b).toUpperCase());
  41. 						break;
  42. 					}
  43. 				} else {
  44. 					buf.append(c);
  45. 				}
  46. 			}
  47. 		}		
  48. 		return buf.toString();
  49. 	}
  50. }
  51.  
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https://ideone.com/s2q20h
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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