|
| 1 | +package kalender; |
| 2 | + |
| 3 | +import java.util.Calendar; |
| 4 | +import java.util.GregorianCalendar; |
| 5 | +import java.util.concurrent.TimeUnit; |
| 6 | + |
| 7 | +import kalender.interfaces.Datum; |
| 8 | +import kalender.interfaces.Dauer; |
| 9 | +import kalender.interfaces.Monat; |
| 10 | +import kalender.interfaces.Tag; |
| 11 | +import kalender.interfaces.Uhrzeit; |
| 12 | +import kalender.interfaces.Woche; |
| 13 | + |
| 14 | +public class DatumImpl implements Datum { |
| 15 | + |
| 16 | + private Calendar intern; |
| 17 | + |
| 18 | + public DatumImpl(Tag tag) { |
| 19 | + this(tag, new UhrzeitImpl()); |
| 20 | + } |
| 21 | + |
| 22 | + public DatumImpl(Tag tag, Uhrzeit uhrzeit) { |
| 23 | + intern.set(tag.getJahr(), tag.getMonat(), tag.getTagImMonat(), uhrzeit.getStunde(), uhrzeit.getMinuten()); |
| 24 | + } |
| 25 | + |
| 26 | + public DatumImpl(Datum d) { |
| 27 | + this(d.getTag(), d.getUhrzeit()); |
| 28 | + } |
| 29 | + |
| 30 | + private DatumImpl(Calendar intern) { |
| 31 | + this.intern = intern; |
| 32 | + } |
| 33 | + |
| 34 | + @Override |
| 35 | + public int compareTo(Datum o) { |
| 36 | + return (o.inBasis().compareTo(this.inBasis())); |
| 37 | + } |
| 38 | + |
| 39 | + @Override |
| 40 | + public Tag getTag() { |
| 41 | + return new TagImpl(intern.get(Calendar.YEAR), intern.get(Calendar.MONTH), intern.get(Calendar.DAY_OF_MONTH)); |
| 42 | + } |
| 43 | + |
| 44 | + @Override |
| 45 | + public Woche getWoche() { |
| 46 | + return new WocheImpl(intern.get(Calendar.YEAR), intern.get(Calendar.MONTH), intern.get(Calendar.WEEK_OF_MONTH)); |
| 47 | + } |
| 48 | + |
| 49 | + @Override |
| 50 | + public Monat getMonat() { |
| 51 | + return new MonatImpl(intern.get(Calendar.YEAR), intern.get(Calendar.MONTH)); |
| 52 | + } |
| 53 | + |
| 54 | + @Override |
| 55 | + public Uhrzeit getUhrzeit() { |
| 56 | + return new UhrzeitImpl(intern.get(Calendar.HOUR_OF_DAY), intern.get(Calendar.MINUTE)); |
| 57 | + } |
| 58 | + |
| 59 | + @Override |
| 60 | + public int getJahr() { |
| 61 | + return intern.get(Calendar.YEAR); |
| 62 | + } |
| 63 | + |
| 64 | + @Override |
| 65 | + public int getTagImMonat() { |
| 66 | + return intern.get(Calendar.DAY_OF_MONTH); |
| 67 | + } |
| 68 | + |
| 69 | + @Override |
| 70 | + public int getTagImJahr() { |
| 71 | + return intern.get(Calendar.DAY_OF_YEAR); |
| 72 | + } |
| 73 | + |
| 74 | + @Override |
| 75 | + public int getWocheImMonat() { |
| 76 | + return intern.get(Calendar.WEEK_OF_MONTH); |
| 77 | + } |
| 78 | + |
| 79 | + @Override |
| 80 | + public int getWocheImJahr() { |
| 81 | + return intern.get(Calendar.WEEK_OF_YEAR); |
| 82 | + } |
| 83 | + |
| 84 | + @Override |
| 85 | + public int getMonatImJahr() { |
| 86 | + return intern.get(Calendar.MONTH); |
| 87 | + } |
| 88 | + |
| 89 | + @Override |
| 90 | + public Datum add(Dauer dauer) { |
| 91 | + intern.add(Calendar.MINUTE, dauer.inMinuten()); |
| 92 | + return this; |
| 93 | + } |
| 94 | + |
| 95 | + @Override |
| 96 | + public Datum sub(Dauer dauer) { |
| 97 | + intern.add(Calendar.MINUTE, -(dauer.inMinuten())); |
| 98 | + return this; |
| 99 | + } |
| 100 | + |
| 101 | + @Override |
| 102 | + public Dauer abstand(Datum d) { |
| 103 | + return new DauerImpl((int) TimeUnit.MILLISECONDS.toMinutes(Math.abs(intern.getTimeInMillis() |
| 104 | + - (new GregorianCalendar(d.getJahr(), d.getMonatImJahr(), d.getTagImMonat())).getTimeInMillis()))); |
| 105 | + } |
| 106 | + |
| 107 | + @Override |
| 108 | + public long differenzInTagen(Datum d) { |
| 109 | + return this.getTag().differenzInTagen(d.getTag()); |
| 110 | + } |
| 111 | + |
| 112 | + @Override |
| 113 | + public int inMinuten() { |
| 114 | + return ((int) (intern.getTimeInMillis() / 1000 / 60)); |
| 115 | + } |
| 116 | + |
| 117 | + @Override |
| 118 | + public Calendar inBasis() { |
| 119 | + return (Calendar) intern.clone(); |
| 120 | + } |
| 121 | + |
| 122 | + @Override |
| 123 | + public String toString(){ |
| 124 | + return String.format(this.getTag().toString() + this.getUhrzeit().toString()); |
| 125 | + } |
| 126 | + |
| 127 | + @Override |
| 128 | + public int hashCode() { |
| 129 | + final int prime = 31; |
| 130 | + int result = 1; |
| 131 | + result = prime * result + ((intern == null) ? 0 : intern.hashCode()); |
| 132 | + return result; |
| 133 | + } |
| 134 | +} |
0 commit comments