Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FileToString |
|
| 3.5;3.5 |
1 | /* | |
2 | * $Id: FileToString.java 11561 2008-04-10 23:42:48Z dfeist $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSource, Inc. All rights reserved. http://www.mulesource.com | |
5 | * | |
6 | * The software in this package is published under the terms of the CPAL v1.0 | |
7 | * license, a copy of which has been included with this distribution in the | |
8 | * LICENSE.txt file. | |
9 | */ | |
10 | ||
11 | package org.mule.transport.file.transformers; | |
12 | ||
13 | import org.mule.api.transformer.TransformerException; | |
14 | import org.mule.util.IOUtils; | |
15 | ||
16 | import java.io.File; | |
17 | import java.io.InputStream; | |
18 | import java.io.UnsupportedEncodingException; | |
19 | ||
20 | /** | |
21 | * <code>FileToString</code> reads file contents into a string. | |
22 | */ | |
23 | public class FileToString extends FileToByteArray | |
24 | { | |
25 | ||
26 | public FileToString() | |
27 | 8 | { |
28 | 8 | registerSourceType(File.class); |
29 | 8 | registerSourceType(InputStream.class); |
30 | 8 | registerSourceType(byte[].class); |
31 | 8 | setReturnClass(String.class); |
32 | 8 | } |
33 | ||
34 | /** | |
35 | * Simple implementation which relies on {@link FileToByteArray} to get a | |
36 | * <code>byte[]</code> from the file beeing parsed and then transform it to a | |
37 | * String with the correct encoding. If the encoding isn't supported simply throw | |
38 | * an exception, good tranformation or no transformation at all. NOTE: if a | |
39 | * <code>byte[]</code> is passed in as a source object this transformer accepts | |
40 | * it and tries the usual transformation. | |
41 | */ | |
42 | // @Override | |
43 | public Object doTransform(Object src, String encoding) throws TransformerException | |
44 | { | |
45 | byte[] bytes; | |
46 | ||
47 | 6 | if (src instanceof InputStream) |
48 | { | |
49 | 0 | bytes = IOUtils.toByteArray((InputStream) src); |
50 | } | |
51 | 6 | else if (src instanceof byte[]) |
52 | { | |
53 | 0 | bytes = (byte[])src; |
54 | } | |
55 | else | |
56 | { | |
57 | 6 | bytes = (byte[])super.doTransform(src, encoding); |
58 | } | |
59 | ||
60 | try | |
61 | { | |
62 | 6 | return new String(bytes, encoding); |
63 | } | |
64 | 2 | catch (UnsupportedEncodingException uee) |
65 | { | |
66 | 2 | throw new TransformerException(this, uee); |
67 | } | |
68 | } | |
69 | ||
70 | } |