ai.djl.modality.nlp.preprocess.SimpleTokenizer Maven / Gradle / Ivy
/*
* Copyright 2019 Amazon.com, Inc. or its affiliates. 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. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 ai.djl.modality.nlp.preprocess;
import java.util.Arrays;
import java.util.List;
/**
* {@code SimpleTokenizer} is an implementation of the {@link Tokenizer} interface that converts
* sentences into token by splitting them by a given delimiter.
*/
public class SimpleTokenizer implements Tokenizer {
private String delimiter = " ";
/**
* Creates an instance of {@code SimpleTokenizer} with the given delimiter.
*
* @param delimiter the delimiter
*/
public SimpleTokenizer(String delimiter) {
this.delimiter = delimiter;
}
/** Creates an instance of {@code SimpleTokenizer} with the default delimiter. */
public SimpleTokenizer() {}
/** {@inheritDoc} */
@Override
public List tokenize(String sentence) {
return Arrays.asList(sentence.split(" "));
}
/** {@inheritDoc} */
@Override
public String buildSentence(List tokens) {
return String.join(delimiter, tokens);
}
}