Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FileToString |
|
| 0.0;0 |
1 | /* | |
2 | * $Id: FileToString.java 19250 2010-08-30 16:53:14Z dirk.olmes $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.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.transformer.types.DataTypeFactory; | |
15 | ||
16 | import java.io.File; | |
17 | import java.io.UnsupportedEncodingException; | |
18 | ||
19 | /** | |
20 | * <code>FileToString</code> reads file contents into a string. | |
21 | */ | |
22 | public class FileToString extends FileToByteArray | |
23 | { | |
24 | ||
25 | public FileToString() | |
26 | 0 | { |
27 | 0 | registerSourceType(DataTypeFactory.create(File.class)); |
28 | 0 | registerSourceType(DataTypeFactory.INPUT_STREAM); |
29 | 0 | registerSourceType(DataTypeFactory.BYTE_ARRAY); |
30 | 0 | setReturnDataType(DataTypeFactory.STRING); |
31 | 0 | } |
32 | ||
33 | /** | |
34 | * Simple implementation which relies on {@link FileToByteArray} to get a | |
35 | * <code>byte[]</code> from the file beeing parsed and then transform it to a | |
36 | * String with the correct encoding. If the encoding isn't supported simply throw | |
37 | * an exception, good tranformation or no transformation at all. NOTE: if a | |
38 | * <code>byte[]</code> is passed in as a source object this transformer accepts | |
39 | * it and tries the usual transformation. | |
40 | */ | |
41 | @Override | |
42 | public Object doTransform(Object src, String encoding) throws TransformerException | |
43 | { | |
44 | byte[] bytes; | |
45 | ||
46 | 0 | if (src instanceof byte[]) |
47 | { | |
48 | 0 | bytes = (byte[])src; |
49 | } | |
50 | else | |
51 | { | |
52 | 0 | bytes = (byte[]) super.doTransform(src, encoding); |
53 | } | |
54 | ||
55 | try | |
56 | { | |
57 | 0 | return new String(bytes, encoding); |
58 | } | |
59 | 0 | catch (UnsupportedEncodingException uee) |
60 | { | |
61 | 0 | throw new TransformerException(this, uee); |
62 | } | |
63 | } | |
64 | ||
65 | } |