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1
5 package com.teamkonzept.lib;
6
7
10 public class TKJavaScriptConverter extends TKConverter {
11
12 public final static String  CONV_ID = "JS";
13 public final static String CONV_NAME = "JAVASCRIPT";
14
15 public String getName()
16 {
17 return CONV_NAME;
18 }
19
20 public int getMaxBytesPerChar()
21 {
22 return 4;
23 }
24
25 public int minCharSize(int byteCount)
26 {
27 return byteCount;
28 }
29
30 public int charsToBytes(char src[], byte dst[], int srcBegin, int length, int dstBegin)
31 {
32 String back = encodeJavaScript(src, srcBegin, length);
33 back.getBytes(0, back.length(), dst, dstBegin);
34 return back.length();
35 }
36
37 public int bytesToChars(byte src[], char dst[], int srcBegin, int length, int dstBegin)
38 {
39 String srcIn = new String (src);
40 String back = encodeJavaScript(srcIn.toCharArray(), srcBegin, length);
41 back.getChars(0, back.length(), dst, dstBegin);
42 return back.length();
43 }
44
45 public static String encodeJavaScript(char[] in, int start, int length)
46 {
47 if (in == null)
48 return null;
49
50 StringBuffer buf = new StringBuffer ();
51 int end = start+length;
52 for (int i = start; i < end; i++)
53 {
54 char ch = in[i];
55 switch ( ch)
56 {
57 case '\'':
58 case '\"':
59 case '\\':
60 int eins = conv(ch/16);
61 int zwei = conv(ch%16);
62 buf.append("\\x" + new Character ((char)eins) + new Character ((char)zwei));
63 break;
64 default:
65 if (ch < 32)
66 {
67 eins = conv(ch/16);
68 zwei = conv(ch%16);
69 buf.append("\\x" + new Character ((char)eins) + new Character ((char)zwei));
70 }
71 else
72 buf.append(ch);
73 break;
74 }
75 }
76 return buf.toString();
77 }
78
79 private static int conv(int in)
80 {
81 if (in >=10)
82 return 55+in;
83 else
84 return 48+in;
85 }
86
87 }
88
89 |
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Java API By Example, From Geeks To Geeks.