Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Hl7DecoderReader |
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| 1.5555555555555556;1.556 |
1 | /* | |
2 | The contents of this file are subject to the Mozilla Public License Version 1.1 | |
3 | (the "License"); you may not use this file except in compliance with the License. | |
4 | You may obtain a copy of the License at http://www.mozilla.org/MPL/ | |
5 | Software distributed under the License is distributed on an "AS IS" basis, | |
6 | WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the | |
7 | specific language governing rights and limitations under the License. | |
8 | ||
9 | The Original Code is "Hl7DecoderReader.java". Description: | |
10 | "" | |
11 | ||
12 | The Initial Developer of the Original Code is University Health Network. Copyright (C) | |
13 | 2013. All Rights Reserved. | |
14 | ||
15 | Contributor(s): ______________________________________. | |
16 | ||
17 | Alternatively, the contents of this file may be used under the terms of the | |
18 | GNU General Public License (the "GPL"), in which case the provisions of the GPL are | |
19 | applicable instead of those above. If you wish to allow use of your version of this | |
20 | file only under the terms of the GPL and not to allow others to use your version | |
21 | of this file under the MPL, indicate your decision by deleting the provisions above | |
22 | and replace them with the notice and other provisions required by the GPL License. | |
23 | If you do not delete the provisions above, a recipient may use your version of | |
24 | this file under either the MPL or the GPL. | |
25 | */ | |
26 | ||
27 | package ca.uhn.hl7v2.llp; | |
28 | ||
29 | import java.io.BufferedInputStream; | |
30 | import java.io.IOException; | |
31 | import java.io.InputStream; | |
32 | import java.nio.charset.Charset; | |
33 | ||
34 | import static ca.uhn.hl7v2.llp.MllpConstants.CHARSET_KEY; | |
35 | ||
36 | /** | |
37 | * Abstract base class for a HL7Reader that uses a Decoder | |
38 | */ | |
39 | abstract class Hl7DecoderReader<T extends MllpDecoder> implements HL7Reader { | |
40 | ||
41 | private InputStream in; | |
42 | private T decoder; | |
43 | private Charset charset; | |
44 | ||
45 | 50 | public Hl7DecoderReader() throws IOException { |
46 | 50 | decoder = initDecoder(); |
47 | 50 | } |
48 | ||
49 | 210 | public Hl7DecoderReader(InputStream in) throws IOException { |
50 | 210 | setInputStream(in); |
51 | 205 | decoder = initDecoder(); |
52 | 205 | } |
53 | ||
54 | 548 | public Hl7DecoderReader(InputStream in, Charset charset) throws IOException { |
55 | 548 | setInputStream(in); |
56 | 548 | this.charset = charset; |
57 | 548 | this.decoder = initDecoder(); |
58 | 548 | } |
59 | ||
60 | protected abstract T initDecoder(); | |
61 | ||
62 | protected Charset getCharset() { | |
63 | 803 | if (charset == null) { |
64 | 798 | String charsetString = System.getProperty(CHARSET_KEY, "US-ASCII"); |
65 | 798 | if (charsetString.equals("default")) { |
66 | 0 | charset = Charset.defaultCharset(); |
67 | } else { | |
68 | 798 | charset = Charset.forName(charsetString); |
69 | } | |
70 | } | |
71 | 803 | return charset; |
72 | } | |
73 | ||
74 | public void setInputStream(InputStream in) throws IOException { | |
75 | 773 | if (in == null) throw new NullPointerException("InputStream is null"); |
76 | 758 | this.in = new BufferedInputStream(in); |
77 | 758 | } |
78 | ||
79 | public void close() throws IOException { | |
80 | 40 | if (in != null) in.close(); |
81 | 40 | } |
82 | ||
83 | public String getMessage() throws IOException, LLPException { | |
84 | 2199 | return decoder.getMessage(in); |
85 | } | |
86 | ||
87 | protected T getDecoder() { | |
88 | 40 | return decoder; |
89 | } | |
90 | ||
91 | } |