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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.sentenceiterator.labelaware;

import org.deeplearning4j.text.sentenceiterator.FileSentenceIterator;
import org.deeplearning4j.text.sentenceiterator.SentencePreProcessor;

import java.io.File;
import java.util.Arrays;
import java.util.List;

/**
 *
 * Label aware sentence iterator
 *
 * @author Adam Gibson
 */
public class LabelAwareFileSentenceIterator extends FileSentenceIterator implements LabelAwareSentenceIterator {
    /**
     * Takes a single file or directory
     *
     * @param preProcessor the sentence pre processor
     * @param file         the file or folder to iterate over
     */
    public LabelAwareFileSentenceIterator(SentencePreProcessor preProcessor, File file) {
        super(preProcessor, file);
    }

    public LabelAwareFileSentenceIterator(File dir) {
        super(dir);
    }

    @Override
    public String currentLabel() {
        return currentFile.getParentFile().getName();
    }

    @Override
    public List currentLabels() {
        return Arrays.asList(currentFile.getParentFile().getName());
    }
}