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.reverendfun.util;
22:
23: import com.liferay.portal.kernel.util.CalendarFactoryUtil;
24: import com.liferay.portal.kernel.util.StringComparator;
25: import com.liferay.portal.kernel.webcache.WebCacheException;
26: import com.liferay.portal.kernel.webcache.WebCacheItem;
27: import com.liferay.util.Http;
28: import com.liferay.util.Time;
29:
30: import java.text.DateFormat;
31: import java.text.SimpleDateFormat;
32:
33: import java.util.Calendar;
34: import java.util.Set;
35: import java.util.TreeSet;
36:
37: /**
38: * <a href="ReverendFunWebCacheItem.java.html"><b><i>View Source</i></b></a>
39: *
40: * @author Brian Wing Shun Chan
41: *
42: */
43: public class ReverendFunWebCacheItem implements WebCacheItem {
44:
45: public ReverendFunWebCacheItem(String date) {
46: _date = date;
47: }
48:
49: public Object convert(String key) throws WebCacheException {
50: Set dates = new TreeSet(new StringComparator(false, true));
51:
52: try {
53: DateFormat dateFormatYMD = new SimpleDateFormat("yyyyMMdd");
54: DateFormat dateFormatYM = new SimpleDateFormat("yyyyMM");
55:
56: Calendar cal = CalendarFactoryUtil.getCalendar();
57:
58: cal.setTime(dateFormatYMD.parse(_date));
59: cal.set(Calendar.DATE, 1);
60:
61: Calendar now = CalendarFactoryUtil.getCalendar();
62:
63: String url = "http://www.reverendfun.com/artchives/?search=";
64:
65: while (cal.before(now)) {
66: String text = Http.URLtoString(url
67: + dateFormatYM.format(cal.getTime()));
68:
69: int x = text.indexOf("date=");
70: int y = text.indexOf("\"", x);
71:
72: while (x != -1 && y != -1) {
73: String fromDateString = text.substring(x + 5, y);
74:
75: dates.add(fromDateString);
76:
77: x = text.indexOf("date=", y);
78: y = text.indexOf("\"", x);
79: }
80:
81: cal.add(Calendar.MONTH, 1);
82: }
83: } catch (Exception e) {
84: throw new WebCacheException(_date + " " + e.toString());
85: }
86:
87: return dates;
88: }
89:
90: public long getRefreshTime() {
91: return _REFRESH_TIME;
92: }
93:
94: private static final long _REFRESH_TIME = Time.DAY;
95:
96: private String _date;
97:
98: }
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