org.deeplearning4j.text.tokenization.tokenizer.preprocessor.CommonPreprocessor Maven / Gradle / Ivy
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* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.deeplearning4j.text.tokenization.tokenizer.preprocessor;
import org.deeplearning4j.text.tokenization.tokenizer.TokenPreProcess;
/**
* A TokenPreProcess implementation that removes puncuation marks and lower-cases.
*
* Note that the implementation uses String#toLowerCase(String) and its behavior depends on the default locale.
* @see StringCleaning#stripPunct(String)
* @author jeffreytang
*/
public class CommonPreprocessor implements TokenPreProcess {
@Override
public String preProcess(String token) {
return StringCleaning.stripPunct(token).toLowerCase();
}
}