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Configuration.java
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Configuration.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.utils;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
/**
* Contains configuration for the persistence provider and utility access methods for it.
* <p>
* This class is thread safe.
*/
public final class Configuration {
private final Map<String, String> properties;
public Configuration() {
this.properties = new HashMap<>();
}
public Configuration(Map<String, String> properties) {
Objects.requireNonNull(properties);
this.properties = new HashMap<>(properties);
}
public String get(String property) {
return get(property, null);
}
public String get(String property, String defaultValue) {
return properties.getOrDefault(property, defaultValue);
}
public boolean is(String property) {
final String propertyValue = get(property, null);
return Boolean.parseBoolean(propertyValue);
}
public synchronized void set(String property, String value) {
Objects.requireNonNull(property);
properties.put(property, value);
}
public boolean contains(String property) {
return properties.containsKey(property);
}
public Map<String, String> getProperties() {
return Collections.unmodifiableMap(properties);
}
}