01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portlet.todayinchristianhistory.util;
22:
23: import com.liferay.portal.kernel.util.StringUtil;
24: import com.liferay.portal.kernel.webcache.WebCacheException;
25: import com.liferay.portal.kernel.webcache.WebCacheItem;
26: import com.liferay.portlet.todayinchristianhistory.model.Event;
27: import com.liferay.util.Html;
28: import com.liferay.util.Http;
29: import com.liferay.util.Time;
30:
31: import java.util.ArrayList;
32: import java.util.List;
33:
34: /**
35: * <a href="EventsWebCacheItem.java.html"><b><i>View Source</i></b></a>
36: *
37: * @author Brian Wing Shun Chan
38: *
39: */
40: public class EventsWebCacheItem implements WebCacheItem {
41:
42: public Object convert(String key) throws WebCacheException {
43: List events = new ArrayList();
44:
45: try {
46: String text = Http
47: .URLtoString("http://www.studylight.org/his/tich");
48:
49: int x = text.indexOf("<table cellpadding=3 cellspacing=3>");
50: x = text.indexOf("<tr>", x);
51:
52: int y = text.indexOf("<tr><td align=center", x);
53:
54: text = Html.stripComments(text.substring(x, y)).trim();
55:
56: String[] array = StringUtil.split(text, "<tr>");
57:
58: for (int i = 0; i < array.length; i++) {
59: x = array[i].indexOf("<b>");
60: y = array[i].indexOf("</b>");
61:
62: if (x != -1 && y != -1) {
63: String year = array[i].substring(x + 3, y).trim();
64:
65: String description = Html.stripHtml(
66: array[i].substring(y, array[i].length()))
67: .trim();
68:
69: if (description.startsWith("- ")) {
70: description = description.substring(3,
71: description.length());
72: }
73:
74: events.add(new Event(Integer.parseInt(year),
75: description));
76: }
77: }
78: } catch (Exception e) {
79: throw new WebCacheException(e);
80: }
81:
82: return events;
83: }
84:
85: public long getRefreshTime() {
86: return _REFRESH_TIME;
87: }
88:
89: private static final long _REFRESH_TIME = Time.HOUR;
90:
91: }
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