org.apache.myfaces.custom.schedule.model.SimpleScheduleModel Maven / Gradle / Ivy

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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this version of the Tomahawk library.
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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.myfaces.custom.schedule.model;

import java.io.Serializable;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.TreeSet;

import org.apache.myfaces.custom.schedule.util.ScheduleEntryComparator;

/**
 * 
 * A simple implementation of the ScheduleModel, not backed by any kind of
 * datasource: entries have to be added manually.
 * 
 * 
 * @author Jurgen Lust (latest modification by $Author: werpu $)
 * @version $Revision: 371736 $
 */
public class SimpleScheduleModel extends AbstractScheduleModel implements
        Serializable
{
    // ~ Instance fields
    // --------------------------------------------------------

    /**
     * serial id for serialisation versioning
     */
    private static final long serialVersionUID = 1L;

    private final TreeSet entries;

    private final HashMap holidays;

    private final DateFormat holidayFormat = new SimpleDateFormat("yyyyMMdd");

    // ~ Constructors
    // -----------------------------------------------------------

    /**
     * Creates a new SimpleScheduleModel object.
     */
    public SimpleScheduleModel()
    {
        this.entries = new TreeSet(new ScheduleEntryComparator());
        this.holidays = new HashMap();
    }

    // ~ Methods
    // ----------------------------------------------------------------

    /**
     * Set the name of a holiday.
     * 
     * @param date
     *            the date
     * @param holidayName
     *            the name of the holiday
     */
    public void setHoliday(Date date, String holidayName)
    {
        if (date == null)
        {
            return;
        }

        String key = holidayFormat.format(date);
        holidays.put(key, holidayName);
    }

    /**
     * Add an entry to the model.
     * 
     * @param entry
     *            the entry to add
     */
    public void addEntry(ScheduleEntry entry)
    {
        entries.add(entry);
    }

    /**
     * Remove an entry from the model.
     * 
     * @param entry
     *            the entry to remove
     */
    public void removeEntry(ScheduleEntry entry)
    {
        entries.remove(entry);
    }

    /**
     * @see org.apache.myfaces.custom.schedule.model.ScheduleModel#removeSelectedEntry()
     */
    public void removeSelectedEntry()
    {
        if (!isEntrySelected())
            return;
        removeEntry(getSelectedEntry());
        setSelectedEntry(null);
        refresh();
    }

    /**
     * @see org.apache.myfaces.custom.schedule.model.AbstractScheduleModel#loadEntries(java.util.Date,
     *      java.util.Date)
     */
    protected Collection loadEntries(Date startDate, Date endDate)
    {
        ArrayList selection = new ArrayList();

        for (Iterator entryIterator = entries.iterator(); entryIterator
                .hasNext();)
        {
            ScheduleEntry entry = (ScheduleEntry) entryIterator.next();

            if (entry.getEndTime().before(startDate)
                    || entry.getStartTime().after(endDate))
            {
                continue;
            }

            selection.add(entry);
        }

        return selection;
    }

    /**
     * @see org.apache.myfaces.custom.schedule.model.AbstractScheduleModel#loadDayAttributes(org.apache.myfaces.custom.schedule.model.Day)
     */
    protected void loadDayAttributes(Day day)
    {
        if (day == null)
            return;
        String key = holidayFormat.format(day.getDate());
        String holiday = (String) holidays.get(key);
        if (holiday != null)
        {
            day.setSpecialDayName(holiday);
            day.setWorkingDay(false);
        } else
        {
            day.setSpecialDayName(null);
            day.setWorkingDay(true);
        }
    }
}
// The End