/
DittoLimitsConfigReader.java
98 lines (80 loc) · 3.59 KB
/
DittoLimitsConfigReader.java
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
/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.services.base.config;
import org.eclipse.ditto.services.utils.config.AbstractConfigReader;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
/**
* Limits configurations.
*/
public final class DittoLimitsConfigReader extends AbstractConfigReader implements LimitsConfigReader {
private static final long DEFAULT_ENTITY_MAX_SIZE = 100 * 1024L;
private static final long DEFAULT_MESSAGE_MAX_SIZE = 250 * 1024L;
private static final int DEFAULT_HEADERS_MAX_SIZE = 5 * 1024;
private static final int DEFAULT_AUTH_SUBJECTS_COUNT = 100;
private static final int DEFAULT_THINGS_SEARCH_DEFAULT_PAGE_SIZE = 25;
private static final int DEFAULT_THINGS_SEARCH_MAX_PAGE_SIZE = 200;
private static final String PATH_THINGS_MAX_SIZE = "things.max-size";
private static final String PATH_POLICIES_MAX_SIZE = "policies.max-size";
private static final String PATH_MESSAGES_MAX_SIZE = "messages.max-size";
private static final String PATH_HEADERS_SIZE = "messages.headers-size";
private static final String PATH_AUTH_SUBJECTS_COUNT = "messages.auth-subjects-count";
private static final String THINGS_SEARCH_KEY = "things-search";
private static final String PATH_THINGS_SEARCH_DEFAULT_PAGE_SIZE = path(THINGS_SEARCH_KEY, "default-page-size");
private static final String PATH_THINGS_SEARCH_MAX_PAGE_SIZE = path(THINGS_SEARCH_KEY, "max-page-size");
DittoLimitsConfigReader(final Config config) {
super(config);
}
/**
* Create a limits configuration reader from an unrelativized configuration object.
*
* @param rawConfig the raw configuration.
* @return a limits configuration reader.
*/
public static DittoLimitsConfigReader fromRawConfig(final Config rawConfig) {
final Config headersConfig = rawConfig.hasPath(PATH)
? rawConfig.getConfig(PATH)
: ConfigFactory.empty();
return new DittoLimitsConfigReader(headersConfig);
}
@Override
public long thingsMaxSize() {
return getIfPresent(PATH_THINGS_MAX_SIZE, config::getBytes).orElse(DEFAULT_ENTITY_MAX_SIZE);
}
@Override
public long policiesMaxSize() {
return getIfPresent(PATH_POLICIES_MAX_SIZE, config::getBytes).orElse(DEFAULT_ENTITY_MAX_SIZE);
}
@Override
public long messagesMaxSize() {
return getIfPresent(PATH_MESSAGES_MAX_SIZE, config::getBytes).orElse(DEFAULT_MESSAGE_MAX_SIZE);
}
@Override
public int headersMaxSize() {
return getIfPresent(PATH_HEADERS_SIZE, config::getBytes).map(Long::intValue).orElse(DEFAULT_HEADERS_MAX_SIZE);
}
@Override
public int authSubjectsCount() {
return getIfPresent(PATH_AUTH_SUBJECTS_COUNT, config::getInt).orElse(DEFAULT_AUTH_SUBJECTS_COUNT);
}
@Override
public int thingsSearchDefaultPageSize() {
return getIfPresent(PATH_THINGS_SEARCH_DEFAULT_PAGE_SIZE, config::getInt)
.orElse(DEFAULT_THINGS_SEARCH_DEFAULT_PAGE_SIZE);
}
@Override
public int thingsSearchMaxPageSize() {
return getIfPresent(PATH_THINGS_SEARCH_MAX_PAGE_SIZE, config::getInt)
.orElse(DEFAULT_THINGS_SEARCH_MAX_PAGE_SIZE);
}
}