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/*
* copyright(c) 2005 kuwata-lab all rights reserved.
*/
package kwalify;
import java.io.Serializable;
import java.util.HashMap;
/**
* hash map which can have default value
*/
public class DefaultableHashMap extends HashMap implements Defaultable {
private static final long serialVersionUID = -5224819562023897380L;
private Object defaultValue = null;
public DefaultableHashMap() {
super();
}
public Object getDefault() { return defaultValue; }
public void setDefault(Object value) { defaultValue = value; }
@Override
public Object get(Object key) {
return containsKey(key) ? super.get(key) : defaultValue;
}
}
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