package net.CyanWool.api.configuration;
import java.util.Map;
import com.google.common.base.Preconditions;
/**
* This is a {@link Configuration} implementation that does not save or load
* from any source, and stores all values in memory only. This is useful for
* temporary Configurations for providing defaults.
*/
public class MemoryConfiguration extends MemorySection implements Configuration {
protected Configuration defaults;
protected MemoryConfigurationOptions options;
/**
* Creates an empty {@link MemoryConfiguration} with no default values.
*/
public MemoryConfiguration() {
}
/**
* Creates an empty {@link MemoryConfiguration} using the specified
* {@link Configuration} as a source for all default values.
*
* @param defaults
* Default value provider
* @throws IllegalArgumentException
* Thrown if defaults is null
*/
public MemoryConfiguration(Configuration defaults) {
this.defaults = defaults;
}
@Override
public void addDefault(String path, Object value) {
Preconditions.checkNotNull(path, "Path may not be null");
if (defaults == null) {
defaults = new MemoryConfiguration();
}
defaults.set(path, value);
}
@Override
public void addDefaults(Map<String, Object> defaults) {
Preconditions.checkNotNull(defaults, "Defaults may not be null");
for (Map.Entry<String, Object> entry : defaults.entrySet()) {
addDefault(entry.getKey(), entry.getValue());
}
}
@Override
public void addDefaults(Configuration defaults) {
Preconditions.checkNotNull(defaults, "Defaults may not be null");
addDefaults(defaults.getValues(true));
}
@Override
public void setDefaults(Configuration defaults) {
Preconditions.checkNotNull(defaults, "Defaults may not be null");
this.defaults = defaults;
}
@Override
public Configuration getDefaults() {
return defaults;
}
@Override
public ConfigurationSection getParent() {
return null;
}
@Override
public MemoryConfigurationOptions options() {
if (options == null) {
options = new MemoryConfigurationOptions(this);
}
return options;
}
}