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
|
package de.romjaki.dsbclient;
import com.google.common.collect.Iterables;
import org.apache.http.HttpException;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import java.io.IOException;
import java.net.URISyntaxException;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
public class DSBClient {
private static final String BASE_URL = "https://iphone.dsbcontrol.de/iPhoneService.svc/DSB/";
private static final String AUTH_URL = BASE_URL + "AuthID/";
private static final String DATA_URL = BASE_URL + "timetables/";
private static final DateFormat dateformat = new SimpleDateFormat("d.M.Y H:m");
private final String user;
private final String pass;
private String authid;
private DefaultHttpClient client = new DefaultHttpClient();
private Map<Long, List<TimetableEntry>> cache;
private DSBClient(String user, String pass) {
this.user = user;
this.pass = pass;
}
public static DSBClient buildBlocking(String user, String pass) throws HttpException, IOException, URISyntaxException, JSONException, ParseException {
DSBClient client = new DSBClient(user, pass);
client.login();
client.receiveData();
return client;
}
public static DSBClient buildAsync(String user, String pass, Consumer<Exception> exceptionCallback) {
DSBClient client = new DSBClient(user, pass);
Thread t = new Thread(() -> {
try {
client.login();
client.receiveData();
} catch (Exception e) {
exceptionCallback.accept(e);
}
});
return client;
}
private void login() throws IOException, HttpException, URISyntaxException {
HttpGet get = new HttpGet(AUTH_URL + user + "/" + pass);
HttpResponse response = client.execute(get);
authid = EntityUtils.toString(response.getEntity()).replace("\"", "");
}
private void receiveData() throws URISyntaxException, IOException, HttpException, JSONException, ParseException {
HttpGet get = new HttpGet(DATA_URL + authid);
HttpResponse response = client.execute(get);
String str = EntityUtils.toString(response.getEntity());
JSONArray data = new JSONArray(str);
cache = new HashMap<>();
for (int i = 0; i < data.length(); i++) {
JSONObject o = data.getJSONObject(i);
boolean isHtml = o.getBoolean("ishtml");
Date timetabledate = dateformat.parse(o.getString("timetabledate"));
String timetableurl = o.getString("timetableurl");
long millis = UnUtil.sanitizeDate(UnUtil.calendarByDate(timetabledate, Locale.GERMANY)).getTimeInMillis();
List<TimetableEntry> arrL = cache.computeIfAbsent(millis, ignored -> new ArrayList<>());
arrL.addAll(parseEntry(isHtml, timetableurl));
}
}
private List<TimetableEntry> parseEntry(boolean isHtml, String timetableurl) throws URISyntaxException, IOException, HttpException {
if (!isHtml) return Collections.emptyList();
HttpGet get = new HttpGet(timetableurl);
HttpResponse response = client.execute(get);
Document document = Jsoup.parse(EntityUtils.toString(response.getEntity()));
Elements rows = document.getElementsByTag("tr").not(":not(:has(th))");
List<TimetableEntry> entries = new ArrayList<>(rows.size());
for (Element row : rows) {
entries.add(parseElement(row));
}
return entries;
}
private TimetableEntry parseElement(Element row) {
TimetableEntry entry = new TimetableEntry();
entry.setKlasse(row.child(1).text());
entry.setStunde(row.child(3).text());
entry.setVertreter(row.child(4).text());
entry.setFach(row.child(5).text());
entry.setRaum(row.child(8).text());
entry.setArt(row.child(9).text());
entry.setText(row.child(11).text());
if (entry.getFach() == null) {
entry.setFach(row.child(6).text());
}
if (entry.getRaum() == null) {
entry.setRaum(row.child(7).text());
}
if (entry.getKlasse() == null) {
entry.setKlasse(row.child(10).text());
}
return entry;
}
public List<TimetableEntry> byTeacher(String teacher) {
return filter(timetableEntry -> timetableEntry.getVertreter().equalsIgnoreCase(teacher));
}
public List<TimetableEntry> byDate(Date date) {
return cache.get(UnUtil.sanitizeDate(UnUtil.calendarByDate(date, Locale.GERMANY)).getTimeInMillis());
}
public List<TimetableEntry> byClass(String klasse) {
return filter(timetableEntry -> timetableEntry.getKlasse().contains(klasse) || klasse.contains(timetableEntry.getKlasse()));
}
public List<TimetableEntry> filter(Predicate<TimetableEntry> predicate) {
return StreamSupport.stream(Iterables.concat(cache.values()).spliterator(), false)
.filter(predicate)
.collect(Collectors.toList());
}
}
|
