hunt.redis.util.SafeEncoder source code

1 /*
2  * Hunt - A redis client library for D programming language.
3  *
4  * Copyright (C) 2018-2019 HuntLabs
5  *
6  * Website: https://www.huntlabs.net/
7  *
8  * Licensed under the Apache-2.0 License.
9  *
10  */
11  
12 module hunt.redis.util.SafeEncoder;
13 
14 import hunt.redis.Exceptions;
15 import hunt.redis.Protocol;
16 
17 import hunt.Exceptions;
18 import hunt.text.StringUtils;
19 
20 import std.array;
21 import std.conv;
22 
23 /**
24  * The only reason to have this is to be able to compatible with java 1.5 :(
25  */
26 class SafeEncoder {
27 
28     private this(){
29         throw new InstantiationError( "Must not instantiate this class" );
30     }
31 
32     static const(ubyte)[][] encodeMany(string[] strs...) {
33         const(ubyte)[][] many = new const(ubyte)[][strs.length];
34         for (size_t i = 0; i < strs.length; i++) {
35             many[i] = encode(strs[i]);
36         }
37         return many;
38     }
39     // static string[] encodeMany(string[] strs...) {
40     //     return strs;
41     //     // byte[][] many = new byte[][strs.length];
42     //     // for (size_t i = 0; i < strs.length; i++) {
43     //     //     many[i] = encode(strs[i]);
44     //     // }
45     //     // return many;
46     // }
47 
48     // static const(ubyte)[] encode(string str) {
49     //     return cast(const(ubyte)[])str;
50     // }
51 
52     static const(ubyte)[] encode(string str) {
53         try {
54             if (str.empty) {
55                 throw new RedisDataException("The value sent to redis cannot be null");
56             }
57             return cast(const(ubyte)[])(StringUtils.getBytes(str, Protocol.CHARSET));
58         } catch (UnsupportedEncodingException e) {
59             throw new RedisException(e);
60         }
61     }
62 
63     static string encode(const(ubyte)[] data) {
64         try {
65             return cast(string)data.idup;
66         } catch (UnsupportedEncodingException e) {
67             throw new RedisException(e);
68         }
69     }
70 }