Source Code Cross Referenced for DayAndPosition.java in  » Portal » liferay-portal-4.4.2 » com » liferay » portal » kernel » cal » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » liferay portal 4.4.2 » com.liferay.portal.kernel.cal 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 2000, Columbia University.  All rights reserved.
003:         *
004:         * Redistribution and use in source and binary forms, with or without
005:         * modification, are permitted provided that the following conditions are met:
006:         *
007:         * 1. Redistributions of source code must retain the above copyright
008:         *    notice, this list of conditions and the following disclaimer.
009:         *
010:         * 2. Redistributions in binary form must reproduce the above copyright
011:         *    notice, this list of conditions and the following disclaimer in the
012:         *    documentation and/or other materials provided with the distribution.
013:         *
014:         * 3. Neither the name of the University nor the names of its contributors
015:         *    may be used to endorse or promote products derived from this software
016:         *    without specific prior written permission.
017:         *
018:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
019:         * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
020:         * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
021:         * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
022:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
023:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
024:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
025:         * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
026:         * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
027:         * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
028:         * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029:         */
030:
031:        package com.liferay.portal.kernel.cal;
032:
033:        import com.liferay.portal.kernel.util.StringMaker;
034:
035:        import java.io.Serializable;
036:
037:        import java.util.Calendar;
038:
039:        /**
040:         * <a href="DayAndPosition.java.html"><b><i>View Source</i></b></a>
041:         *
042:         * @author Jonathan Lennox
043:         *
044:         */
045:        public class DayAndPosition implements  Cloneable, Serializable {
046:
047:            /**
048:             * Field day
049:             */
050:            private int day;
051:
052:            /**
053:             * Field position
054:             */
055:            private int position;
056:
057:            /**
058:             * Field NO_WEEKDAY
059:             */
060:            public final static int NO_WEEKDAY = 0;
061:
062:            /**
063:             * Constructor DayAndPosition
064:             *
065:             *
066:             */
067:            public DayAndPosition() {
068:                day = NO_WEEKDAY;
069:                position = 0;
070:            }
071:
072:            /**
073:             * Constructor DayAndPosition
074:             *
075:             *
076:             * @param	d
077:             * @param	p
078:             *
079:             */
080:            public DayAndPosition(int d, int p) {
081:                if (!isValidDayOfWeek(d)) {
082:                    throw new IllegalArgumentException("Invalid day of week");
083:                }
084:
085:                if (!isValidDayPosition(p)) {
086:                    throw new IllegalArgumentException("Invalid day position");
087:                }
088:
089:                day = d;
090:                position = p;
091:            }
092:
093:            /**
094:             * Method getDayOfWeek
095:             *
096:             *
097:             * @return	int
098:             *
099:             */
100:            public int getDayOfWeek() {
101:                return day;
102:            }
103:
104:            /**
105:             * Method setDayOfWeek
106:             *
107:             *
108:             * @param	d
109:             *
110:             */
111:            public void setDayOfWeek(int d) {
112:                if (!isValidDayOfWeek(d)) {
113:                    throw new IllegalArgumentException("Invalid day of week");
114:                }
115:
116:                day = d;
117:            }
118:
119:            /**
120:             * Method getDayPosition
121:             *
122:             *
123:             * @return	int
124:             *
125:             */
126:            public int getDayPosition() {
127:                return position;
128:            }
129:
130:            /**
131:             * Method setDayPosition
132:             *
133:             *
134:             * @param	p
135:             *
136:             */
137:            public void setDayPosition(int p) {
138:                if (!isValidDayPosition(p)) {
139:                    throw new IllegalArgumentException();
140:                }
141:
142:                position = p;
143:            }
144:
145:            /**
146:             * Method equals
147:             *
148:             *
149:             * @param	obj
150:             *
151:             * @return	boolean
152:             *
153:             */
154:            public boolean equals(Object obj) {
155:                if (obj == null) {
156:                    return false;
157:                }
158:
159:                if (this  == obj) {
160:                    return true;
161:                }
162:
163:                if (!(obj instanceof  DayAndPosition)) {
164:                    return false;
165:                }
166:
167:                DayAndPosition that = (DayAndPosition) obj;
168:
169:                return (getDayOfWeek() == that.getDayOfWeek())
170:                        && (getDayPosition() == that.getDayPosition());
171:            }
172:
173:            /**
174:             * Method isValidDayOfWeek
175:             *
176:             *
177:             * @param	d
178:             *
179:             * @return	boolean
180:             *
181:             */
182:            public static boolean isValidDayOfWeek(int d) {
183:                switch (d) {
184:
185:                case NO_WEEKDAY:
186:                case Calendar.SUNDAY:
187:                case Calendar.MONDAY:
188:                case Calendar.TUESDAY:
189:                case Calendar.WEDNESDAY:
190:                case Calendar.THURSDAY:
191:                case Calendar.FRIDAY:
192:                case Calendar.SATURDAY:
193:                    return true;
194:
195:                default:
196:                    return false;
197:                }
198:            }
199:
200:            /**
201:             * Method isValidDayPosition
202:             *
203:             *
204:             * @param	p
205:             *
206:             * @return	boolean
207:             *
208:             */
209:            public static boolean isValidDayPosition(int p) {
210:                return ((p >= -53) && (p <= 53));
211:            }
212:
213:            /**
214:             * Method clone
215:             *
216:             *
217:             * @return	Object
218:             *
219:             */
220:            public Object clone() {
221:                try {
222:                    DayAndPosition other = (DayAndPosition) super .clone();
223:
224:                    other.day = day;
225:                    other.position = position;
226:
227:                    return other;
228:                } catch (CloneNotSupportedException e) {
229:                    throw new InternalError();
230:                }
231:            }
232:
233:            /**
234:             * Method toString
235:             *
236:             *
237:             * @return	String
238:             *
239:             */
240:            public String toString() {
241:                StringMaker sm = new StringMaker();
242:
243:                sm.append(getClass().getName());
244:                sm.append("[day=");
245:                sm.append(day);
246:                sm.append(",position=");
247:                sm.append(position);
248:                sm.append("]");
249:
250:                return sm.toString();
251:            }
252:
253:        }
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