1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.transformer.codec; |
12 | |
|
13 | |
import org.mule.api.transformer.TransformerException; |
14 | |
import org.mule.config.i18n.CoreMessages; |
15 | |
import org.mule.transformer.AbstractTransformer; |
16 | |
import org.mule.util.Base64; |
17 | |
import org.mule.util.IOUtils; |
18 | |
|
19 | |
import java.io.InputStream; |
20 | |
|
21 | |
|
22 | |
|
23 | |
|
24 | |
|
25 | |
public class Base64Decoder extends AbstractTransformer |
26 | |
{ |
27 | |
|
28 | |
public Base64Decoder() |
29 | 12 | { |
30 | 12 | registerSourceType(String.class); |
31 | 12 | registerSourceType(byte[].class); |
32 | 12 | registerSourceType(InputStream.class); |
33 | 12 | setReturnClass(byte[].class); |
34 | 12 | } |
35 | |
|
36 | |
public Object doTransform(Object src, String encoding) throws TransformerException |
37 | |
{ |
38 | |
try |
39 | |
{ |
40 | |
String data; |
41 | |
|
42 | 6 | if (src instanceof byte[]) |
43 | |
{ |
44 | 0 | data = new String((byte[]) src, encoding); |
45 | |
} |
46 | 6 | else if (src instanceof InputStream) |
47 | |
{ |
48 | 0 | InputStream input = (InputStream) src; |
49 | |
try |
50 | |
{ |
51 | 0 | data = IOUtils.toString(input); |
52 | |
} |
53 | |
finally |
54 | |
{ |
55 | 0 | input.close(); |
56 | 0 | } |
57 | 0 | } |
58 | |
else |
59 | |
{ |
60 | 6 | data = (String) src; |
61 | |
} |
62 | |
|
63 | 6 | byte[] result = Base64.decode(data); |
64 | |
|
65 | 6 | if (getReturnClass().equals(String.class)) |
66 | |
{ |
67 | 4 | return new String(result, encoding); |
68 | |
} |
69 | |
else |
70 | |
{ |
71 | 2 | return result; |
72 | |
} |
73 | |
} |
74 | 0 | catch (Exception ex) |
75 | |
{ |
76 | 0 | throw new TransformerException( |
77 | |
CoreMessages.transformFailed("base64", this.getReturnClass().getName()), this, ex); |
78 | |
} |
79 | |
} |
80 | |
|
81 | |
} |