blob: d477b234ee021d8669a9a34d33d8a86f680d8846 (
plain) (
blame)
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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.core;
import com.google.common.collect.ImmutableMap;
import com.google.inject.AbstractModule;
import com.google.inject.name.Names;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;
/**
* @author Simon Thoresen Hult
*/
class ApplicationConfigModule extends AbstractModule {
private final Map<String, String> config;
ApplicationConfigModule(Map<String, String> config) {
this.config = normalizeConfig(config);
}
@Override
protected void configure() {
for (Map.Entry<String, String> entry : config.entrySet()) {
bind(String.class).annotatedWith(Names.named(entry.getKey())).toInstance(entry.getValue());
}
}
public static ApplicationConfigModule newInstanceFromFile(String fileName) throws IOException {
Properties props = new Properties();
InputStream in = null;
try {
in = new FileInputStream(fileName);
props.load(in);
} finally {
if (in != null) {
in.close();
}
}
Map<String, String> ret = new HashMap<>();
for (String name : props.stringPropertyNames()) {
ret.put(name, props.getProperty(name));
}
return new ApplicationConfigModule(ret);
}
private static Map<String, String> normalizeConfig(Map<String, String> raw) {
List<String> names = new ArrayList<>(raw.keySet());
Collections.sort(names, new Comparator<String>() {
@Override
public int compare(String lhs, String rhs) {
return -lhs.compareTo(rhs); // reverse alphabetical order, i.e. lower-case before upper-case
}
});
Map<String, String> ret = new HashMap<>();
for (String name : names) {
ret.put(name.toLowerCase(Locale.US), raw.get(name));
}
return ImmutableMap.copyOf(ret);
}
}
|
