com.jchanghong.core.text.csv.CsvData Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of kotlins Show documentation

The newest version!

package com.jchanghong.core.text.csv;

import java.io.Serializable;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

/**
 * CSV数据，包括头部信息和行数据，参考：FastCSV
 *
 * @author Looly
 */
public class CsvData implements Iterable, Serializable {
	private static final long serialVersionUID = 1L;

	private final List header;
	private final List rows;

	/**
	 * 构造
	 * 
	 * @param header 头信息
	 * @param rows 行
	 */
	public CsvData(final List header, final List rows) {
		this.header = header;
		this.rows = rows;
	}

	/**
	 * 总行数
	 *
	 * @return 总行数
	 */
	public int getRowCount() {
		return this.rows.size();
	}

	/**
	 * 获取头信息列表，如果无头信息为{@code Null}，返回列表为只读列表
	 *
	 * @return the header row - might be {@code null} if no header exists
	 */
	public List getHeader() {
		return Collections.unmodifiableList(this.header);
	}

	/**
	 * 获取指定行，从0开始
	 *
	 * @param index 行号
	 * @return 行数据
	 * @throws IndexOutOfBoundsException if index is out of range
	 */
	public CsvRow getRow(final int index) {
		return this.rows.get(index);
	}

	/**
	 * 获取所有行
	 * 
	 * @return 所有行
	 */
	public List getRows() {
		return this.rows;
	}

	@Override
	public Iterator iterator() {
		return this.rows.iterator();
	}
}