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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* copyright(c) 2005 kuwata-lab all rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package kwalify;
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 Rule defaultValue;
public DefaultableHashMap() {
super();
}
public Rule getDefault() { return defaultValue; }
public void setDefault(Rule value) { defaultValue = value; }
@Override
public Object get(Object key) {
return containsKey(key) ? (Rule)super.get(key) : defaultValue;
}
}
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