Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
URLProfileStore |
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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 | * <p> | |
9 | * The Original Code is "URLProfileStore.java". Description: | |
10 | * "A read-only profile store that loads profiles from URLs." | |
11 | * <p> | |
12 | * The Initial Developer of the Original Code is University Health Network. Copyright (C) | |
13 | * 2003. All Rights Reserved. | |
14 | * <p> | |
15 | * Contributor(s): ______________________________________. | |
16 | * <p> | |
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 | package ca.uhn.hl7v2.conf.store; | |
27 | ||
28 | import java.io.BufferedReader; | |
29 | import java.io.IOException; | |
30 | import java.io.InputStreamReader; | |
31 | import java.net.MalformedURLException; | |
32 | import java.net.URL; | |
33 | ||
34 | /** | |
35 | * A read-only profile store that loads profiles from URLs. The URL | |
36 | * for a profile is determined by the method getURL(). An | |
37 | * attempt is also made to write | |
38 | * @author Bryan Tripp | |
39 | */ | |
40 | public abstract class URLProfileStore extends ReadOnlyProfileStore { | |
41 | ||
42 | /** Creates a new instance of URLProfileStore */ | |
43 | 20 | public URLProfileStore() { |
44 | 20 | } |
45 | ||
46 | /** | |
47 | * Retrieves profile from persistent storage (by ID). | |
48 | * | |
49 | * @param id profile id | |
50 | * @return profile content or null if profile could not be found | |
51 | */ | |
52 | public String getProfile(String id) throws IOException { | |
53 | 20 | String profile = null; |
54 | 20 | BufferedReader in = null; |
55 | try { | |
56 | 20 | URL url = getURL(id); |
57 | 20 | if (url != null) { |
58 | 10 | in = new BufferedReader(new InputStreamReader(url.openStream())); |
59 | 10 | StringBuilder buf = new StringBuilder(); |
60 | int c; | |
61 | 70 | while ((c = in.read()) != -1) { |
62 | 60 | buf.append((char) c); |
63 | } | |
64 | 10 | profile = buf.toString(); |
65 | } | |
66 | 0 | } catch (MalformedURLException e) { |
67 | 0 | throw new IOException("MalformedURLException: " + e.getMessage()); |
68 | } finally { | |
69 | 20 | if (in != null) in.close(); |
70 | } | |
71 | 20 | return profile; |
72 | } | |
73 | ||
74 | ||
75 | /** | |
76 | * Returns the URL from which to read a profile given the profile ID. For example | |
77 | * given "123" it could return ftp://hospital_x.org/hl7/123.xml, or | |
78 | * http://hl7_conformance_service.com?profile=123. | |
79 | */ | |
80 | public abstract URL getURL(String ID) throws MalformedURLException; | |
81 | ||
82 | ||
83 | /** Stores profile in persistent storage with given ID. | |
84 | */ | |
85 | /*public void persistProfile(String ID, String profile) throws IOException { | |
86 | try { | |
87 | URL url = getWriteURL(ID); | |
88 | if (url == null) { | |
89 | throw new IOException("Can't persist profile -- this profile store is read-only"); | |
90 | } else { | |
91 | URLConnection uc = url.openConnection(); | |
92 | uc.connect(); | |
93 | uc.getOutputStream().write(profile.getBytes()); | |
94 | uc.getOutputStream().flush(); | |
95 | uc.getOutputStream().close(); | |
96 | } | |
97 | } catch (MalformedURLException e) { | |
98 | throw new IOException("MalformedURLException: " + e.getMessage()); | |
99 | } | |
100 | }*/ | |
101 | ||
102 | /** | |
103 | * Returns the URL to which a profile should be written, given the | |
104 | * profile ID. This defaults to getReadURL() but can be over-ridden. | |
105 | * For read-only stores, over-ride this method to return null. | |
106 | */ | |
107 | /*public URL getWriteURL(String ID) throws MalformedURLException { | |
108 | return getReadURL(ID); | |
109 | }*/ | |
110 | ||
111 | } |