Source Code Cross Referenced for CalendarModel.java in  » Blogger-System » apache-roller-3.1 » org » apache » roller » ui » rendering » model » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Blogger System » apache roller 3.1 » org.apache.roller.ui.rendering.model 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  The ASF licenses this file to You
004:         * under the Apache License, Version 2.0 (the "License"); you may not
005:         * use this file except in compliance with the License.
006:         * You may obtain a copy of the License at
007:         *
008:         *     http://www.apache.org/licenses/LICENSE-2.0
009:         *
010:         * Unless required by applicable law or agreed to in writing, software
011:         * distributed under the License is distributed on an "AS IS" BASIS,
012:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013:         * See the License for the specific language governing permissions and
014:         * limitations under the License.  For additional information regarding
015:         * copyright in this work, please see the NOTICE file in the top level
016:         * directory of this distribution.
017:         */
018:
019:        package org.apache.roller.ui.rendering.model;
020:
021:        import java.util.Map;
022:        import javax.servlet.jsp.PageContext;
023:        import org.apache.commons.logging.Log;
024:        import org.apache.commons.logging.LogFactory;
025:        import org.apache.roller.RollerException;
026:        import org.apache.roller.pojos.wrapper.WebsiteDataWrapper;
027:        import org.apache.roller.ui.core.tags.calendar.BigWeblogCalendarModel;
028:        import org.apache.roller.ui.core.tags.calendar.CalendarTag;
029:        import org.apache.roller.ui.core.tags.calendar.WeblogCalendarModel;
030:        import org.apache.roller.ui.rendering.util.WeblogPageRequest;
031:        import org.apache.roller.ui.rendering.util.WeblogRequest;
032:
033:        /**
034:         * Model which provides functionality for displaying weblog calendar.
035:         * 
036:         * Implemented by calling hybrid JSP tag.
037:         */
038:        public class CalendarModel implements  Model {
039:
040:            private static Log log = LogFactory.getLog(CalendarModel.class);
041:
042:            private PageContext pageContext = null;
043:            private WeblogPageRequest pageRequest = null;
044:
045:            /** Template context name to be used for model */
046:            public String getModelName() {
047:                return "calendarModel";
048:            }
049:
050:            /** Init page model based on request */
051:            public void init(Map initData) throws RollerException {
052:
053:                // extract page context
054:                this .pageContext = (PageContext) initData.get("pageContext");
055:
056:                // we expect the init data to contain a weblogRequest object
057:                WeblogRequest weblogRequest = (WeblogRequest) initData
058:                        .get("weblogRequest");
059:                if (weblogRequest == null) {
060:                    throw new RollerException(
061:                            "expected weblogRequest from init data");
062:                }
063:
064:                // CalendarModel only works on page requests, so cast weblogRequest
065:                // into a WeblogPageRequest and if it fails then throw exception
066:                if (weblogRequest instanceof  WeblogPageRequest) {
067:                    this .pageRequest = (WeblogPageRequest) weblogRequest;
068:                } else {
069:                    throw new RollerException(
070:                            "weblogRequest is not a WeblogPageRequest."
071:                                    + "  CalendarModel only supports page requests.");
072:                }
073:            }
074:
075:            public String showWeblogEntryCalendar(
076:                    WebsiteDataWrapper websiteWrapper, String catArgument) {
077:                return showWeblogEntryCalendar(websiteWrapper, catArgument,
078:                        false);
079:            }
080:
081:            public String showWeblogEntryCalendarBig(
082:                    WebsiteDataWrapper websiteWrapper, String catArgument) {
083:                return showWeblogEntryCalendar(websiteWrapper, catArgument,
084:                        true);
085:            }
086:
087:            private String showWeblogEntryCalendar(
088:                    WebsiteDataWrapper websiteWrapper, String catArgument,
089:                    boolean big) {
090:
091:                if ("nil".equals(catArgument))
092:                    catArgument = null;
093:                String ret = null;
094:                try {
095:                    org.apache.roller.ui.core.tags.calendar.CalendarModel model = null;
096:                    if (big) {
097:                        model = new BigWeblogCalendarModel(pageRequest,
098:                                catArgument);
099:                    } else {
100:                        model = new WeblogCalendarModel(pageRequest,
101:                                catArgument);
102:                    }
103:
104:                    // save model in JSP page context so CalendarTag can find it
105:                    pageContext.setAttribute("calendarModel", model);
106:
107:                    CalendarTag calTag = new CalendarTag();
108:                    calTag.setPageContext(pageContext);
109:                    calTag.setName("calendar");
110:                    calTag.setModel("calendarModel");
111:                    calTag.setLocale(pageRequest.getLocaleInstance());
112:                    if (big) {
113:                        calTag.setClassSuffix("Big");
114:                    }
115:                    ret = calTag.emit();
116:                } catch (Exception e) {
117:                    log.error("ERROR: initializing calendar tag", e);
118:                }
119:                return ret;
120:            }
121:
122:        }
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