/*
 * Copyright 2006-2014 the original author or authors.
 *
 * 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
 *
 *       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.
 */
package org.springframework.batch.item.excel.support.rowset;

import org.springframework.batch.item.excel.Sheet;

/**
 * {@code ColumnNameExtractor} implementation which returns a preset String[] to use as
 *  the column names. Useful for those situations in which an Excel file without a header row
 *  is read
 *
 *  @author Marten Deinum
 *  @since 0.5.0
 */
public class StaticColumnNameExtractor implements ColumnNameExtractor {

    private final String[] columnNames;

    public StaticColumnNameExtractor(String[] columnNames) {
        this.columnNames = columnNames;
    }

    @Override
    public String[] getColumnNames(Sheet sheet) {
        return this.columnNames;
    }

}
