opennlp.tools.sentdetect.DefaultEndOfSentenceScanner Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 opennlp.tools.sentdetect;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Default implementation of the {@link EndOfSentenceScanner}.
* It uses an character array with possible end of sentence chars
* to identify potential sentence endings.
*/
public class DefaultEndOfSentenceScanner implements EndOfSentenceScanner {
private Set eosCharacters;
@Deprecated
private char[] eosChars;
/**
* Initializes the current instance.
*
* @param eosCharacters
*/
public DefaultEndOfSentenceScanner(char[] eosCharacters) {
this.eosCharacters = new HashSet<>();
for (char eosChar: eosCharacters) {
this.eosCharacters.add(eosChar);
}
this.eosChars = eosCharacters;
}
public List getPositions(String s) {
return getPositions(s.toCharArray());
}
public List getPositions(StringBuffer buf) {
return getPositions(buf.toString().toCharArray());
}
public List getPositions(char[] cbuf) {
List l = new ArrayList<>();
for (int i = 0; i < cbuf.length; i++) {
if (eosCharacters.contains(cbuf[i])) {
l.add(i);
}
}
return l;
}
@Deprecated
public char[] getEndOfSentenceCharacters() {
return eosChars;
}
@Override
public Set getEOSCharacters() {
return eosCharacters;
}
}