blob: 01fd17953063caf2ca6a1550a777bce02f889914 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
package musichub.business;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
public class Album {
private final String title;
private final int lengthInSeconds;
private final UUID uuid;
private String artist;
private Date date;
private ArrayList<UUID> songsUIDs;
public Album(String title, String artist, int lengthInSeconds, String id, String date, ArrayList<UUID> songsUIDs) {
this.title = title;
this.artist = artist;
this.lengthInSeconds = lengthInSeconds;
this.uuid = UUID.fromString(id);
try {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
this.date = sdf.parse(date);
} catch (ParseException ex) {
ex.printStackTrace();
}
this.songsUIDs = songsUIDs;
}
public Album(String title, String artist, int lengthInSeconds, String date) {
this.title = title;
this.artist = artist;
this.lengthInSeconds = lengthInSeconds;
this.uuid = UUID.randomUUID();
try {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
this.date = sdf.parse(date);
} catch (ParseException ex) {
ex.printStackTrace();
}
this.songsUIDs = new ArrayList<>();
}
public Album(Element xmlElement) throws Exception {
{
this.title = xmlElement.getElementsByTagName("title").item(0).getTextContent();
this.lengthInSeconds = Integer.parseInt(xmlElement.getElementsByTagName("lengthInSeconds").item(0).getTextContent());
String uuid = null;
try {
uuid = xmlElement.getElementsByTagName("UUID").item(0).getTextContent();
} catch (Exception ex) {
System.out.println("Empty album UUID, will create a new one");
}
if ((uuid == null) || (uuid.isEmpty()))
this.uuid = UUID.randomUUID();
else this.uuid = UUID.fromString(uuid);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
this.date = sdf.parse(xmlElement.getElementsByTagName("date").item(0).getTextContent());
//parse list of songs:
Node songsElement = xmlElement.getElementsByTagName("songs").item(0);
NodeList songUUIDNodes = songsElement.getChildNodes();
if (songUUIDNodes == null) return;
this.songsUIDs = new ArrayList<>();
for (int i = 0; i < songUUIDNodes.getLength(); i++) {
if (songUUIDNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
Element songElement = (Element) songUUIDNodes.item(i);
if (songElement.getNodeName().equals("UUID")) {
try {
this.addSong(UUID.fromString(songElement.getTextContent()));
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
}
}
public void addSong(UUID song) {
songsUIDs.add(song);
}
public List<UUID> getSongs() {
return songsUIDs;
}
public ArrayList<UUID> getSongsRandomly() {
ArrayList<UUID> shuffledSongs = songsUIDs;
Collections.shuffle(shuffledSongs);
return shuffledSongs;
}
public String getTitle() {
return title;
}
public Date getDate() {
return date;
}
public void createXMLElement(Document document, Element parentElement) {
Element albumElement = document.createElement("album");
parentElement.appendChild(albumElement);
Element nameElement = document.createElement("title");
nameElement.appendChild(document.createTextNode(title));
albumElement.appendChild(nameElement);
Element artistElement = document.createElement("artist");
artistElement.appendChild(document.createTextNode(artist));
albumElement.appendChild(artistElement);
Element lengthElement = document.createElement("lengthInSeconds");
lengthElement.appendChild(document.createTextNode(Integer.valueOf(lengthInSeconds).toString()));
albumElement.appendChild(lengthElement);
Element UUIDElement = document.createElement("UUID");
UUIDElement.appendChild(document.createTextNode(uuid.toString()));
albumElement.appendChild(UUIDElement);
Element dateElement = document.createElement("date");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
dateElement.appendChild(document.createTextNode(sdf.format(date)));
albumElement.appendChild(dateElement);
Element songsElement = document.createElement("songs");
for (UUID currentUUID : this.songsUIDs) {
Element songUUIDElement = document.createElement("UUID");
songUUIDElement.appendChild(document.createTextNode(currentUUID.toString()));
songsElement.appendChild(songUUIDElement);
}
albumElement.appendChild(songsElement);
}
}
|
