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
|
package ru.sape;
import com.github.ooxi.phparser.SerializedPhpParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.*;
public class SapeConnection {
private static final Logger logger = LoggerFactory.getLogger(SapeConnection.class);
private final String version = "1.0.3";
private final List<String> serverList = Arrays.asList("dispenser-01.sape.ru", "dispenser-02.sape.ru");
private final String dispenserPath;
private final String userAgent;
private final int socketTimeout;
private final int cacheLifeTime;
public SapeConnection(String dispenserPath, String userAgent, int socketTimeout, int cacheLifeTime) {
this.dispenserPath = dispenserPath;
this.userAgent = userAgent;
this.socketTimeout = socketTimeout;
this.cacheLifeTime = cacheLifeTime;
}
protected String fetchRemoteFile(String host, String path) throws IOException {
Reader r = null;
try {
HttpURLConnection connection = (HttpURLConnection) ((new URL(("http://" + host + path)).openConnection()));
if (socketTimeout > 0) {
connection.setConnectTimeout(socketTimeout);
connection.setReadTimeout(socketTimeout);
}
connection.addRequestProperty("User-Agent", userAgent + ' ' + version);
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setRequestMethod("GET");
connection.connect();
r = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
StringWriter sw = new StringWriter();
int b;
while ((b = r.read()) != -1) {
sw.write(b);
}
return sw.toString();
} finally {
if (r != null) {
r.close();
}
}
}
Map<String, Object> cached;
long cacheUpdated;
@SuppressWarnings("unchecked")
public Map<String, Object> getData() {
if (cacheLifeTime <= (System.currentTimeMillis() - cacheUpdated) / 1000) {
for (String server : serverList) {
String data;
try {
data = fetchRemoteFile(server, dispenserPath + "&charset=UTF-8");
} catch (IOException e1) {
continue;
}
if (data.startsWith("FATAL ERROR:")) {
logger.error("Sape responded with error: {}", data);
continue;
}
try {
cached = (Map<String, Object>) new SerializedPhpParser(data).parse();
} catch (Exception e) {
logger.error("Can't parse Sape data", e);
continue;
}
cacheUpdated = System.currentTimeMillis();
return cached;
}
logger.error("Unable to fetch Sape data");
return Collections.emptyMap();
}
return cached;
}
}
|
