1 /*
2 * ObjectLab, http://www.objectlab.co.uk/open is sponsoring the ObjectLab Kit.
3 *
4 * Based in London, we are world leaders in the design and development
5 * of bespoke applications for the securities financing markets.
6 *
7 * <a href="http://www.objectlab.co.uk/open">Click here to learn more</a>
8 * ___ _ _ _ _ _
9 * / _ \| |__ (_) ___ ___| |_| | __ _| |__
10 * | | | | '_ \| |/ _ \/ __| __| | / _` | '_ \
11 * | |_| | |_) | | __/ (__| |_| |__| (_| | |_) |
12 * \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
13 * |__/
14 *
15 * www.ObjectLab.co.uk
16 *
17 * $Id$
18 *
19 * Copyright 2006 the original author or authors.
20 *
21 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
22 * use this file except in compliance with the License. You may obtain a copy of
23 * the License at
24 *
25 * http://www.apache.org/licenses/LICENSE-2.0
26 *
27 * Unless required by applicable law or agreed to in writing, software
28 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
29 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
30 * License for the specific language governing permissions and limitations under
31 * the License.
32 */
33 package net.objectlab.kit.datecalc.joda;
34
35 import net.objectlab.kit.datecalc.common.BaseCalculator;
36 import net.objectlab.kit.datecalc.common.HolidayHandler;
37 import net.objectlab.kit.datecalc.common.HolidayHandlerType;
38 import net.objectlab.kit.datecalc.common.NonWorkingDayChecker;
39
40 import org.joda.time.LocalDate;
41
42 /**
43 * A modified following handler will move the date forward if it falls on a non
44 * working day BUT, if the new date falls into another month, it will revert to
45 * moving backward until it finds a working day.
46 *
47 * @author Benoit Xhenseval
48 *
49 */
50 public class LocalDateModifiedFollowingHandler implements HolidayHandler<LocalDate> {
51
52 /**
53 * If the current date of the give calculator is a non-working day, it will
54 * be moved according to the algorithm implemented.
55 *
56 * @param calculator
57 * the calculator
58 * @return the date which may have moved.
59 */
60 public LocalDate moveCurrentDate(final BaseCalculator<LocalDate> calculator) {
61 return adjustDate(calculator.getCurrentBusinessDate(), 1, calculator);
62 }
63
64 // -----------------------------------------------------------------------
65 //
66 // ObjectLab, world leaders in the design and development of bespoke
67 // applications for the securities financing markets.
68 // www.ObjectLab.co.uk
69 //
70 // -----------------------------------------------------------------------
71
72 public LocalDate adjustDate(LocalDate startDate, int increment, NonWorkingDayChecker<LocalDate> checker) {
73 LocalDate date = startDate;
74 final int month = date.getMonthOfYear();
75 int stepToUse = increment;
76 while (checker.isNonWorkingDay(date)) {
77 date = date.plusDays(stepToUse);
78 if (date.getMonthOfYear() != month) {
79 // flick to backward
80 stepToUse *= -1;
81 date = date.plusDays(stepToUse);
82 }
83 }
84 return date;
85 }
86
87 /**
88 * Give the type name for this algorithm.
89 *
90 * @return algorithm name.
91 */
92 public String getType() {
93 return HolidayHandlerType.MODIFIED_FOLLOWING;
94 }
95 }
96
97 /*
98 * ObjectLab, http://www.objectlab.co.uk/open is sponsoring the ObjectLab Kit.
99 *
100 * Based in London, we are world leaders in the design and development
101 * of bespoke applications for the securities financing markets.
102 *
103 * <a href="http://www.objectlab.co.uk/open">Click here to learn more about us</a>
104 * ___ _ _ _ _ _
105 * / _ \| |__ (_) ___ ___| |_| | __ _| |__
106 * | | | | '_ \| |/ _ \/ __| __| | / _` | '_ \
107 * | |_| | |_) | | __/ (__| |_| |__| (_| | |_) |
108 * \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
109 * |__/
110 *
111 * www.ObjectLab.co.uk
112 */