org.metafacture.metamorph.functions.Lookup Maven / Gradle / Ivy
/*
* Copyright 2013, 2014 Deutsche Nationalbibliothek
*
* 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.
*/
package org.metafacture.metamorph.functions;
/**
* Uses the received value as a key for looking up
* the output value in a map.
*
* @author Markus Michael Geipel
*/
public final class Lookup extends AbstractLookup {
private String defaultValue;
public void setDefault(final String defaultValue) {
this.defaultValue = defaultValue;
}
@Override
public String process(final String key) {
final String returnValue = lookup(key);
if (returnValue == null) {
return defaultValue;
}
return returnValue;
}
public void setIn(final String mapName) {
setMap(mapName);
}
}