package com.intellectualcrafters.configuration;
import java.util.Map;
/**
* 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) {
if (this.defaults == null) {
this.defaults = new MemoryConfiguration();
}
this.defaults.set(path, value);
}
@Override
public void addDefaults(Map<String, Object> defaults) {
for (Map.Entry<String, Object> entry : defaults.entrySet()) {
addDefault(entry.getKey(), entry.getValue());
}
}
@Override
public void addDefaults(Configuration defaults) {
addDefaults(defaults.getValues(true));
}
@Override
public Configuration getDefaults() {
return this.defaults;
}
@Override
public void setDefaults(Configuration defaults) {
if (defaults == null) {
throw new NullPointerException("Defaults may not be null");
}
this.defaults = defaults;
}
@Override
public ConfigurationSection getParent() {
return null;
}
@Override
public MemoryConfigurationOptions options() {
if (this.options == null) {
this.options = new MemoryConfigurationOptions(this);
}
return this.options;
}
}