aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/org/traccar/config/Config.java
blob: 409a3f16a008318b11e3169ca91ae28c48038064 (plain)
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
145
146
/*
 * Copyright 2015 - 2024 Anton Tananaev (anton@traccar.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.traccar.config;

import com.google.common.annotations.VisibleForTesting;
import com.google.inject.name.Named;
import org.traccar.helper.Log;

import jakarta.inject.Inject;
import jakarta.inject.Singleton;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.InvalidPropertiesFormatException;
import java.util.Objects;
import java.util.Properties;

@Singleton
public class Config {

    private final Properties properties = new Properties();

    private boolean useEnvironmentVariables;

    public Config() {
    }

    @Inject
    public Config(@Named("configFile") String file) throws IOException {
        try {
            try (InputStream inputStream = new FileInputStream(file)) {
                properties.loadFromXML(inputStream);
            }

            useEnvironmentVariables = Boolean.parseBoolean(System.getenv("CONFIG_USE_ENVIRONMENT_VARIABLES"))
                    || Boolean.parseBoolean(properties.getProperty("config.useEnvironmentVariables"));

            Log.setupLogger(this);
        } catch (InvalidPropertiesFormatException e) {
            Log.setupDefaultLogger();
            throw new RuntimeException("Configuration file is not a valid XML document", e);
        } catch (Exception e) {
            Log.setupDefaultLogger();
            throw e;
        }
    }

    public boolean hasKey(ConfigKey<?> key) {
        return hasKey(key.getKey());
    }

    private boolean hasKey(String key) {
        return useEnvironmentVariables && System.getenv().containsKey(getEnvironmentVariableName(key))
                || properties.containsKey(key);
    }

    public String getString(ConfigKey<String> key) {
        return getString(key.getKey(), key.getDefaultValue());
    }

    @Deprecated
    public String getString(String key) {
        if (useEnvironmentVariables) {
            String value = System.getenv(getEnvironmentVariableName(key));
            if (value != null && !value.isEmpty()) {
                return value;
            }
        }
        return properties.getProperty(key);
    }

    public String getString(ConfigKey<String> key, String defaultValue) {
        return getString(key.getKey(), defaultValue);
    }

    @Deprecated
    public String getString(String key, String defaultValue) {
        return hasKey(key) ? getString(key) : defaultValue;
    }

    public boolean getBoolean(ConfigKey<Boolean> key) {
        return Boolean.parseBoolean(getString(key.getKey()));
    }

    public int getInteger(ConfigKey<Integer> key) {
        String value = getString(key.getKey());
        if (value != null) {
            return Integer.parseInt(value);
        } else {
            Integer defaultValue = key.getDefaultValue();
            return Objects.requireNonNullElse(defaultValue, 0);
        }
    }

    public int getInteger(ConfigKey<Integer> key, int defaultValue) {
        return getInteger(key.getKey(), defaultValue);
    }

    @Deprecated
    public int getInteger(String key, int defaultValue) {
        return hasKey(key) ? Integer.parseInt(getString(key)) : defaultValue;
    }

    public long getLong(ConfigKey<Long> key) {
        String value = getString(key.getKey());
        if (value != null) {
            return Long.parseLong(value);
        } else {
            Long defaultValue = key.getDefaultValue();
            return Objects.requireNonNullElse(defaultValue, 0L);
        }
    }

    public double getDouble(ConfigKey<Double> key) {
        String value = getString(key.getKey());
        if (value != null) {
            return Double.parseDouble(value);
        } else {
            Double defaultValue = key.getDefaultValue();
            return Objects.requireNonNullElse(defaultValue, 0.0);
        }
    }

    @VisibleForTesting
    public void setString(ConfigKey<?> key, String value) {
        properties.put(key.getKey(), value);
    }

    static String getEnvironmentVariableName(String key) {
        return key.replaceAll("\\.", "_").replaceAll("(\\p{Lu})", "_$1").toUpperCase();
    }

}