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com.xiaoleilu.hutool.io.file.FileWrapper Maven / Gradle / Ivy

package com.xiaoleilu.hutool.io.file;

import java.io.File;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;

import com.xiaoleilu.hutool.io.FileUtil;
import com.xiaoleilu.hutool.util.CharsetUtil;

/**
 * 文件包装器,扩展文件对象
 * 
 * @author Looly
 *
 */
public class FileWrapper {
	protected File file;
	protected Charset charset;
	
	/** 默认编码:UTF-8 */
	public static final Charset DEFAULT_CHARSET = StandardCharsets.UTF_8;

	// ------------------------------------------------------- Constructor start
	/**
	 * 构造
	 * @param file 文件
	 * @param charset 编码,使用 {@link CharsetUtil}
	 */
	public FileWrapper(File file, Charset charset) {
		this.file = file;
		this.charset = charset;
	}
	// ------------------------------------------------------- Constructor end

	// ------------------------------------------------------- Setters and Getters start start
	/**
	 * 获得文件
	 * @return 文件
	 */
	public File getFile() {
		return file;
	}

	/**
	 * 设置文件
	 * @param file 文件
	 * @return 自身
	 */
	public FileWrapper setFile(File file) {
		this.file = file;
		return this;
	}

	/**
	 * 获得字符集编码
	 * @return 编码
	 */
	public Charset getCharset() {
		return charset;
	}

	/**
	 * 设置字符集编码
	 * @param charset 编码
	 * @return 自身
	 */
	public FileWrapper setCharset(Charset charset) {
		this.charset = charset;
		return this;
	}
	// ------------------------------------------------------- Setters and Getters start end

	/**
	 * 可读的文件大小
	 * @return 大小
	 */
	public String readableFileSize() {
		return FileUtil.readableFileSize(file.length());
	}
}




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