/* * Copyright 2006 Google Inc. *  * Licensed 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 com.google.gwt.sample.dynatable.client;import com.google.gwt.user.client.rpc.IsSerializable;/** * Hold relevant data for a time slot. This class is intended to be serialized * as part of RPC calls. */public class TimeSlot implements IsSerializable, Comparable {  private static final transient String[] DAYS = new String[] {      "Sun", "Mon", "Tues", "Wed", "Thurs", "Fri", "Sat"};  private int endMinutes;  private int startMinutes;  private int zeroBasedDayOfWeek;  public TimeSlot() {  }  public TimeSlot(int zeroBasedDayOfWeek, int startMinutes, int endMinutes) {    this.zeroBasedDayOfWeek = zeroBasedDayOfWeek;    this.startMinutes = startMinutes;    this.endMinutes = endMinutes;  }  public int compareTo(Object o) {    TimeSlot other = (TimeSlot) o;    if (zeroBasedDayOfWeek < other.zeroBasedDayOfWeek) {      return -1;    } else if (zeroBasedDayOfWeek > other.zeroBasedDayOfWeek) {      return 1;    } else {      if (startMinutes < other.startMinutes) {        return -1;      } else if (startMinutes > other.startMinutes) {        return 1;      }    }    return 0;  }  public int getDayOfWeek() {    return zeroBasedDayOfWeek;  }  public String getDescription() {    return DAYS[zeroBasedDayOfWeek] + " " + getHrsMins(startMinutes) + "-"        + getHrsMins(endMinutes);  }  public int getEndMinutes() {    return endMinutes;  }  public int getStartMinutes() {    return startMinutes;  }  public void setDayOfWeek(int zeroBasedDayOfWeek) {    if (0 <= zeroBasedDayOfWeek && zeroBasedDayOfWeek < 7) {      this.zeroBasedDayOfWeek = zeroBasedDayOfWeek;    } else {      throw new IllegalArgumentException("day must be in the range 0-6");    }  }  public void setEndMinutes(int endMinutes) {    this.endMinutes = endMinutes;  }  public void setStartMinutes(int startMinutes) {    this.startMinutes = startMinutes;  }  private String getHrsMins(int mins) {    int hrs = mins / 60;    if (hrs > 12) {      hrs -= 12;    }    int remainder = mins % 60;    return hrs + ":"        + (remainder < 10 ? "0" + remainder : String.valueOf(remainder));  }}