/**
* Copyright (C) 2012 cogroo <cogroo@cogroo.org>
*
* 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.cogroo;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import opennlp.tools.formats.ad.PortugueseContractionUtility;
public class ContractionUtility extends PortugueseContractionUtility {
private static final Map<String, String[]> REVERSE_CONTRACTIONS;
static {
Map<String, String[]> reverse = new HashMap<String, String[]>(
CONTRACTIONS.size());
for (String expanded : CONTRACTIONS.keySet()) {
reverse.put(CONTRACTIONS.get(expanded), expanded.split("\\+"));
}
REVERSE_CONTRACTIONS = Collections.unmodifiableMap(reverse);
}
public static String[] expand(String contraction) {
String lowercase = contraction.toLowerCase();
if (REVERSE_CONTRACTIONS.containsKey(lowercase)) {
return REVERSE_CONTRACTIONS.get(lowercase);
}
return null;
}
public static Set<String> getContractionSet() {
return REVERSE_CONTRACTIONS.keySet();
}
}