| EventsWebCacheItem.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portlet.todayinchristianhistory.util;
24
25 import com.liferay.portal.kernel.util.HtmlUtil;
26 import com.liferay.portal.kernel.util.HttpUtil;
27 import com.liferay.portal.kernel.util.StringUtil;
28 import com.liferay.portal.kernel.webcache.WebCacheException;
29 import com.liferay.portal.kernel.webcache.WebCacheItem;
30 import com.liferay.portlet.todayinchristianhistory.model.Event;
31 import com.liferay.util.Time;
32
33 import java.util.ArrayList;
34 import java.util.List;
35
36 /**
37 * <a href="EventsWebCacheItem.java.html"><b><i>View Source</i></b></a>
38 *
39 * @author Brian Wing Shun Chan
40 *
41 */
42 public class EventsWebCacheItem implements WebCacheItem {
43
44 public Object convert(String key) throws WebCacheException {
45 List<Event> events = new ArrayList<Event>();
46
47 try {
48 String text = HttpUtil.URLtoString(
49 "http://www.studylight.org/his/tich");
50
51 int x = text.indexOf("<table cellpadding=3 cellspacing=3>");
52 x = text.indexOf("<tr>", x);
53
54 int y = text.indexOf("<tr><td align=center", x);
55
56 text = HtmlUtil.stripComments(text.substring(x, y)).trim();
57
58 String[] array = StringUtil.split(text, "<tr>");
59
60 for (int i = 0; i < array.length; i++) {
61 x = array[i].indexOf("<b>");
62 y = array[i].indexOf("</b>");
63
64 if (x != -1 && y != -1) {
65 String year = array[i].substring(x + 3, y).trim();
66
67 String description = HtmlUtil.extractText(
68 array[i].substring(y, array[i].length())).trim();
69
70 if (description.startsWith("- ")) {
71 description = description.substring(
72 3, description.length());
73 }
74
75 events.add(new Event(Integer.parseInt(year), description));
76 }
77 }
78 }
79 catch (Exception e) {
80 throw new WebCacheException(e);
81 }
82
83 return events;
84 }
85
86 public long getRefreshTime() {
87 return _REFRESH_TIME;
88 }
89
90 private static final long _REFRESH_TIME = Time.HOUR;
91
92 }