Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
IndexDownloader |
|
| 1.5;1.5 |
1 | /** | |
2 | * Distribution License: | |
3 | * JSword is free software; you can redistribute it and/or modify it under | |
4 | * the terms of the GNU Lesser General Public License, version 2.1 or later | |
5 | * as published by the Free Software Foundation. This program is distributed | |
6 | * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even | |
7 | * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
8 | * See the GNU Lesser General Public License for more details. | |
9 | * | |
10 | * The License is available on the internet at: | |
11 | * http://www.gnu.org/copyleft/lgpl.html | |
12 | * or by writing to: | |
13 | * Free Software Foundation, Inc. | |
14 | * 59 Temple Place - Suite 330 | |
15 | * Boston, MA 02111-1307, USA | |
16 | * | |
17 | * © CrossWire Bible Society, 2005 - 2016 | |
18 | * | |
19 | */ | |
20 | package org.crosswire.jsword.util; | |
21 | ||
22 | import java.io.IOException; | |
23 | import java.net.URI; | |
24 | ||
25 | import org.crosswire.common.util.NetUtil; | |
26 | import org.crosswire.jsword.book.Book; | |
27 | import org.crosswire.jsword.book.BookException; | |
28 | import org.crosswire.jsword.book.install.InstallException; | |
29 | import org.crosswire.jsword.book.install.Installer; | |
30 | import org.crosswire.jsword.index.IndexManager; | |
31 | import org.crosswire.jsword.index.IndexManagerFactory; | |
32 | import org.crosswire.jsword.index.IndexStatus; | |
33 | ||
34 | /** | |
35 | * . | |
36 | * | |
37 | * @see gnu.lgpl.License The GNU Lesser General Public License for details. | |
38 | * @author Joe Walker | |
39 | */ | |
40 | public final class IndexDownloader { | |
41 | /** | |
42 | * Prevent instantiation | |
43 | */ | |
44 | 0 | private IndexDownloader() { |
45 | 0 | } |
46 | ||
47 | /** | |
48 | * Download and install a search index | |
49 | * | |
50 | * @param book | |
51 | * The book to get an index for | |
52 | * @param installer | |
53 | * @throws IOException | |
54 | * @throws InstallException | |
55 | * @throws BookException | |
56 | */ | |
57 | public static void downloadIndex(Book book, Installer installer) throws IOException, InstallException, BookException { | |
58 | // Get a temp home | |
59 | 0 | URI tempDownload = NetUtil.getTemporaryURI(TEMP_PREFIX, TEMP_SUFFIX); |
60 | ||
61 | 0 | IndexStatus finalStatus = IndexStatus.UNDONE; |
62 | try { | |
63 | // Now we know what installer to use, download to the temp file | |
64 | 0 | installer.downloadSearchIndex(book, tempDownload); |
65 | ||
66 | // And install from that file. | |
67 | 0 | IndexManager idxman = IndexManagerFactory.getIndexManager(); |
68 | 0 | book.setIndexStatus(IndexStatus.CREATING); |
69 | 0 | idxman.installDownloadedIndex(book, tempDownload); |
70 | 0 | finalStatus = IndexStatus.DONE; |
71 | } finally { | |
72 | 0 | book.setIndexStatus(finalStatus); |
73 | // tidy up after ourselves | |
74 | 0 | if (tempDownload != null) { |
75 | 0 | NetUtil.delete(tempDownload); |
76 | } | |
77 | } | |
78 | 0 | } |
79 | ||
80 | /** | |
81 | * Temp file prefix | |
82 | */ | |
83 | private static final String TEMP_PREFIX = "jsword-index"; | |
84 | ||
85 | /** | |
86 | * Temp file suffix | |
87 | */ | |
88 | private static final String TEMP_SUFFIX = "dat"; | |
89 | } |