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/*
* 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();
}
}
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