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1
18
19 package org.apache.roller.ui.core.tags.calendar;
20
21 import java.text.ParsePosition  ;
22 import java.text.SimpleDateFormat ;
23 import java.util.Calendar ;
24 import java.util.Date ;
25 import java.util.HashMap ;
26 import java.util.Map ;
27 import org.apache.commons.logging.Log;
28 import org.apache.commons.logging.LogFactory;
29 import org.apache.roller.RollerException;
30 import org.apache.roller.model.RollerFactory;
31 import org.apache.roller.model.WeblogManager;
32 import org.apache.roller.pojos.WeblogEntryData;
33 import org.apache.roller.pojos.WebsiteData;
34 import org.apache.roller.ui.rendering.util.WeblogPageRequest;
35 import org.apache.roller.util.DateUtil;
36 import org.apache.roller.util.URLUtilities;
37
38
39
42 public class WeblogCalendarModel implements CalendarModel {
43
44 private static Log log = LogFactory.getLog(WeblogCalendarModel.class);
45
46 protected Map monthMap;
47 protected Date day;
48 protected String cat = null;
49 protected String pageLink = null;
50 protected String locale = null;
51 protected Calendar calendar = null;
52 protected WebsiteData weblog = null;
53
54 protected WeblogPageRequest pageRequest = null;
55
56
57 public WeblogCalendarModel(WeblogPageRequest pRequest, String catArgument) {
58
59 this.pageRequest = pRequest;
60 try {
61 this.weblog = pageRequest.getWeblog();
62
63 pageLink = pageRequest.getWeblogPageName();
64
65 day = DateUtil.parseWeblogURLDateString(pageRequest.getWeblogDate(),
66 weblog.getTimeZoneInstance(), weblog.getLocaleInstance());
67 initDay(day);
68
69 locale = pageRequest.getLocale();
70
71 if(weblog == null) {
72 throw new RollerException("unable to lookup weblog: "+
73 pageRequest.getWeblogHandle());
74 }
75 if (catArgument != null) {
77 cat = catArgument;
78 } else if (pageRequest.getWeblogCategoryName() != null) {
79 cat = pageRequest.getWeblogCategoryName();
80 }
81 } catch (Exception e) {
82 log.debug("ERROR: initializing calendar", e);
84 }
85
86 }
87
88
89 protected void initDay(Date month) {
90 this.day = day;
91 calendar = Calendar.getInstance(
92 weblog.getTimeZoneInstance(),
93 weblog.getLocaleInstance());
94
95 Calendar cal = (Calendar )calendar.clone();
96
97 cal.setTime(month);
99 cal.set(Calendar.DAY_OF_MONTH, cal.getMinimum(Calendar.DAY_OF_MONTH));
100 cal.set(Calendar.HOUR_OF_DAY, cal.getMinimum(Calendar.HOUR_OF_DAY));
101 cal.set(Calendar.MINUTE, cal.getMinimum(Calendar.MINUTE));
102 cal.set(Calendar.SECOND, cal.getMinimum(Calendar.SECOND));
103 cal.set(Calendar.MILLISECOND, cal.getMinimum(Calendar.MILLISECOND));
104 Date startDate = cal.getTime();
105
106 cal.set(Calendar.DAY_OF_MONTH, cal.getMaximum(Calendar.DAY_OF_MONTH));
108 cal.set(Calendar.HOUR_OF_DAY, cal.getMaximum(Calendar.HOUR_OF_DAY));
109 cal.set(Calendar.MINUTE, cal.getMaximum(Calendar.MINUTE));
110 cal.set(Calendar.SECOND, cal.getMaximum(Calendar.SECOND));
111 cal.set(Calendar.MILLISECOND, cal.getMaximum(Calendar.MILLISECOND));
112 Date endDate = cal.getTime();
113
114 loadWeblogEntries(startDate, endDate, cat);
115 }
116
117 protected void loadWeblogEntries(Date startDate, Date endDate, String catName) {
118 try {
119 WeblogManager mgr = RollerFactory.getRoller().getWeblogManager();
120 monthMap = mgr.getWeblogEntryStringMap(
121 weblog, startDate, endDate, catName, WeblogEntryData.PUBLISHED, locale,
127 0, -1);
128 } catch (RollerException e) {
129 log.error(e);
130 monthMap = new HashMap ();
131 }
132 }
133
134 public void setDay(String month) throws Exception {
135 SimpleDateFormat fmt = DateUtil.get8charDateFormat();
136 ParsePosition pos = new ParsePosition (0);
137 initDay( fmt.parse( month, pos ) );
138 }
139
140 public Date getDay() {
141 return (Date )day.clone();
142 }
143
144 public String getParameterValue(Date day) {
145 return (String )monthMap.get( day );
146 }
147
148
154 public String computeUrl(Date day, boolean monthURL, boolean alwaysURL) {
155 String url = null;
156 String dateString = (String )monthMap.get(day);
158 if (dateString == null && !alwaysURL) return null;
159 else if (dateString == null && !monthURL) {
160 dateString = DateUtil.format8chars(day);
161 } else if (dateString == null && monthURL) {
162 dateString = DateUtil.format6chars(day);
163 }
164 try {
165 if (pageLink == null) { url = URLUtilities.getWeblogCollectionURL(weblog, locale, cat, dateString, -1, false);
167 } else { url = URLUtilities.getWeblogPageURL(weblog, locale, pageLink, null, cat, dateString, -1, false);
169 }
170 } catch (Exception e) {
171 log.error("ERROR: creating URL",e);
172 }
173 return url;
174 }
175
176 public String getContent(Date day) {
177 return null;
178 }
179
180 public Calendar getCalendar() {
181 return (Calendar )calendar.clone();
182 }
183
184 public Date getNextMonth() {
185 Calendar nextCal = getCalendar();
186 nextCal.setTime( day );
187 nextCal.add( Calendar.MONTH, 1 );
188 return getFirstDayOfMonth(nextCal).getTime();
189 }
190
191 protected Calendar getFirstDayOfMonth(Calendar cal) {
192 int firstDay = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
193 cal.set(Calendar.DAY_OF_MONTH, firstDay);
194 return cal;
195 }
196
197 protected Calendar getLastDayOfMonth(Calendar cal) {
198 int lastDay = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
199 cal.set(Calendar.DAY_OF_MONTH, lastDay);
200 return cal;
201 }
202
203 public String computeNextMonthUrl() {
204 Calendar nextCal = getCalendar();
206 nextCal.setTime( day );
207 nextCal.add( Calendar.MONTH, 1 );
208 String nextMonth = computeUrl(nextCal.getTime(), true, true);
209
210 return nextMonth;
212 }
213
214 public String computePrevMonthUrl() {
215 Calendar prevCal = getCalendar();
217 prevCal.setTime(day);
218 prevCal.add(Calendar.MONTH, -1);
219 String prevMonth = computeUrl(prevCal.getTime(), true, true);
221
222 return prevMonth;
224 }
225
226 public String computeTodayMonthUrl() {
227 return URLUtilities.getWeblogCollectionURL(weblog, locale, cat, null, -1, false);
228 }
229
230 }
231 |
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