Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
EncodingStyle |
|
| 3.25;3.25 |
1 | package ca.uhn.hl7v2.hoh.encoder; | |
2 | ||
3 | import java.util.HashMap; | |
4 | import java.util.Map; | |
5 | ||
6 | 15 | public enum EncodingStyle { |
7 | ||
8 | /** | |
9 | * <p> | |
10 | * ER7 (Pipe and Hat, or Vertical Bar encoding) | |
11 | * </p> | |
12 | * <p> | |
13 | * Content type: <code>application/hl7-v2</code> | |
14 | * </p> | |
15 | */ | |
16 | 5 | ER7("application/hl7-v2"), |
17 | ||
18 | /** | |
19 | * <p> | |
20 | * XML encoding | |
21 | * </p> | |
22 | * <p> | |
23 | * Content type: <code>application/hl7-v2+xml</code> | |
24 | * </p> | |
25 | */ | |
26 | 5 | XML("application/hl7-v2+xml"); |
27 | ||
28 | 5 | private static final Map<String, EncodingStyle> ourContentTypeToEncodingStyles = new HashMap<String, EncodingStyle>(); |
29 | ||
30 | static { | |
31 | 15 | for (EncodingStyle next : values()) { |
32 | 10 | ourContentTypeToEncodingStyles.put(next.myContentType, next); |
33 | } | |
34 | 5 | } |
35 | ||
36 | private String myContentType; | |
37 | ||
38 | 10 | EncodingStyle(String theContentType) { |
39 | 10 | myContentType = theContentType; |
40 | 10 | } |
41 | ||
42 | /** | |
43 | * Returns the encoding style (e.g. ER7) for a given content type (e.g. | |
44 | * application/hl7-v2), or <code>null</code> if content type does not match | |
45 | * an HL7 definition. | |
46 | * | |
47 | * @param theContentType | |
48 | * The content type (case insensitive) | |
49 | * @return Returns null if no matching | |
50 | * @throws NullPointerException | |
51 | * If theContentType is null | |
52 | */ | |
53 | public static EncodingStyle getEncodingStyleForContentType(String theContentType) { | |
54 | 425 | return ourContentTypeToEncodingStyles.get(theContentType.toLowerCase()); |
55 | } | |
56 | ||
57 | /** | |
58 | * Detect the encoding style of a given message | |
59 | * | |
60 | * @throws NullPointerException If theMessage is null | |
61 | * @throws IllegalArgumentException If the message is not ER7 or XML | |
62 | */ | |
63 | public static EncodingStyle detect(String theMessage) { | |
64 | 660 | if (theMessage == null) { |
65 | 0 | throw new NullPointerException("Message can not be null"); |
66 | } | |
67 | ||
68 | 660 | for (int i = 0; i < theMessage.length(); i++) { |
69 | 660 | char nextChar = theMessage.charAt(i); |
70 | 660 | if (Character.isLetter(nextChar)) { |
71 | 570 | return ER7; |
72 | } | |
73 | 90 | if (Character.isWhitespace(nextChar)) { |
74 | 0 | continue; |
75 | } | |
76 | 90 | if (nextChar == '<') { |
77 | 90 | return XML; |
78 | } | |
79 | } | |
80 | ||
81 | 0 | throw new IllegalArgumentException("Message does not appear to be ER7 or XML"); |
82 | ||
83 | } | |
84 | ||
85 | /** | |
86 | * Returns the MIME type (content-type) associated with this encoding | |
87 | */ | |
88 | public String getContentType() { | |
89 | 585 | return myContentType; |
90 | } | |
91 | ||
92 | } |