Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ShortPermalinkProvider |
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1 | /* | |
2 | * Copyright (c) 2003-2011, Simon Brown | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions are met: | |
7 | * | |
8 | * - Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * | |
11 | * - Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * - Neither the name of Pebble nor the names of its contributors may | |
17 | * be used to endorse or promote products derived from this software | |
18 | * without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
21 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
30 | * POSSIBILITY OF SUCH DAMAGE. | |
31 | */ | |
32 | package net.sourceforge.pebble.permalink; | |
33 | ||
34 | import net.sourceforge.pebble.domain.BlogEntry; | |
35 | import net.sourceforge.pebble.domain.Blog; | |
36 | import net.sourceforge.pebble.domain.BlogService; | |
37 | import net.sourceforge.pebble.domain.BlogServiceException; | |
38 | ||
39 | ||
40 | /** | |
41 | * Generates permalinks using the pattern <time-in-millis>. | |
42 | * | |
43 | * @author Simon Brown | |
44 | */ | |
45 | 36 | public class ShortPermalinkProvider extends PermalinkProviderSupport { |
46 | ||
47 | /** the regex used to check for a blog entry permalink */ | |
48 | private static final String BLOG_ENTRY_PERMALINK_REGEX = "/\\d*.html"; | |
49 | ||
50 | /** | |
51 | * Gets the permalink for a blog entry. | |
52 | * | |
53 | * @return a URI as a String | |
54 | */ | |
55 | public String getPermalink(BlogEntry blogEntry) { | |
56 | 12 | return "/" + blogEntry.getId() + ".html"; |
57 | } | |
58 | ||
59 | /** | |
60 | * Determines whether the specified URI is a blog entry permalink. | |
61 | * | |
62 | * @param uri a relative URI | |
63 | * @return true if the URI represents a permalink to a blog entry, | |
64 | * false otherwise | |
65 | */ | |
66 | public boolean isBlogEntryPermalink(String uri) { | |
67 | 20 | if (uri != null) { |
68 | 16 | return uri.matches(BLOG_ENTRY_PERMALINK_REGEX); |
69 | } else { | |
70 | 4 | return false; |
71 | } | |
72 | } | |
73 | ||
74 | /** | |
75 | * Gets the blog entry referred to by the specified URI. | |
76 | * | |
77 | * @param uri a relative URI | |
78 | * @return a BlogEntry instance, or null if one can't be found | |
79 | */ | |
80 | public BlogEntry getBlogEntry(String uri) { | |
81 | // uri is of the form /1234567890123.html, so extract the 13-digit ID | |
82 | // and use it to find the correct blog entry | |
83 | 8 | Blog blog = getBlog(); |
84 | 8 | BlogService service = new BlogService(); |
85 | try { | |
86 | 8 | return service.getBlogEntry(blog, uri.substring(1, 14)); |
87 | 0 | } catch (BlogServiceException e) { |
88 | 0 | return null; |
89 | } | |
90 | } | |
91 | ||
92 | } |