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comparison src/main/java/org/monetdb/mcl/net/ClientInfo.java @ 903:778959b2e0a4

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Send ClientInfo on startup Configurable through the client_info=bool, client_application=NAME, client_remark=MESSAGE properties.
author Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
date Fri, 14 Jun 2024 15:57:49 +0200 (10 months ago)
parents
children 2d880f90be2a
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902:65d42db0c831 903:778959b2e0a4
1 package org.monetdb.mcl.net;
2
3 import org.monetdb.jdbc.MonetDriver;
4
5 import java.sql.ClientInfoStatus;
6 import java.sql.SQLClientInfoException;
7 import java.util.Collections;
8 import java.util.Map;
9 import java.util.Properties;
10
11 public class ClientInfo {
12 private static final String defaultHostname = findHostname();
13
14 private static final String defaultClientLibrary = findClientLibrary();
15
16 private static final int defaultPid = findPid();
17
18 private final Properties props;
19
20 public ClientInfo() {
21 props = new Properties();
22 props.setProperty("ClientHostname", defaultHostname);
23 props.setProperty("ClientLibrary", defaultClientLibrary);
24 props.setProperty("ClientPid", "" + defaultPid);
25 props.setProperty("ApplicationName", "");
26 props.setProperty("ClientRemark", "");
27 }
28
29 private static String findHostname() {
30 return "my host";
31 }
32
33 private static int findPid() {
34 return 42;
35 }
36
37 private static String findClientLibrary() {
38 return "monetdb-java " + MonetDriver.getDriverVersion();
39 }
40
41 public String format() {
42 StringBuilder builder = new StringBuilder(200);
43 for (String name : props.stringPropertyNames()) {
44 String value = props.getProperty(name);
45 builder.append(name);
46 builder.append('=');
47 builder.append(value);
48 builder.append('\n');
49 }
50 return builder.toString();
51 }
52
53 public Properties get() {
54 Properties ret = new Properties();
55 ret.putAll(props);
56 return ret;
57 }
58
59 public boolean set(String name, String value) throws SQLClientInfoException {
60 if (value == null)
61 value = "";
62 if (value.contains("\n")) {
63 Map<String, ClientInfoStatus> map = Collections.singletonMap(name, ClientInfoStatus.REASON_VALUE_INVALID);
64 throw new SQLClientInfoException(map);
65 }
66 if (props.containsKey(name)) {
67 props.setProperty(name, value);
68 return true;
69 } else {
70 return false;
71 }
72 }
73
74 }