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/*
 * Copyright 2020-2022 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.ifinalframework.poi;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.BiConsumer;

import lombok.Getter;
import lombok.RequiredArgsConstructor;

/**
 * Excel sheet header info.
 *
 * @author ilikly
 * @version 1.2.4
 **/
@RequiredArgsConstructor
public final class Headers {
    @Getter
    private final int row;
    private final Map headerIndexMap = new LinkedHashMap<>();
    private final Map indexHeaderMap = new LinkedHashMap<>();

    public void addHeader(Integer index, String header) {
        headerIndexMap.put(header, index);
        indexHeaderMap.put(index, header);
    }

    public Integer getHeaderIndex(String header) {
        return headerIndexMap.get(header);
    }

    public String getIndexHeader(Integer index) {
        return indexHeaderMap.get(index);
    }

    public void foreach(BiConsumer action) {
        headerIndexMap.forEach(action);
    }

    public boolean hasHeader(String header) {
        return headerIndexMap.containsKey(header);
    }

    public int size() {
        return headerIndexMap.size();
    }
}