package cn.com.goldenwater.dcproj.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;

public class IoUtil {

    /**
     * 写出
     *
     * @param file
     * @param out
     */
    public static void writeFile(File file, OutputStream out) {
        ;
        try (FileInputStream fs = new FileInputStream(file)) {
            //循环写入输出流
            byte[] b = new byte[1024 * 8];
            int len;
            while ((len = fs.read(b)) > 0) {
                out.write(b, 0, len);
            }
        } catch (Exception e) {
            throw new RuntimeException("流写出错误");
        } finally {
            close(out);
        }
    }

    /**
     * 关流
     */
    public static void close(InputStream is) {
        if (is != null) {
            try {
                is.close();
                is = null;
            } catch (Exception e2) {
                throw new RuntimeException("关闭流失败");
            }
        }
    }

    /**
     * 关流
     */
    public static void close(OutputStream os) {
        if (os != null) {
            try {
                os.close();
                os = null;
            } catch (Exception e2) {
                throw new RuntimeException("关闭流失败");
            }
        }
    }

    /**
     * 关流
     */
    public static void close(InputStream is, OutputStream os) {
        if (is != null) {
            try {
                is.close();
                is = null;
            } catch (Exception e2) {
                throw new RuntimeException("关闭流失败");
            }
        }
        if (os != null) {
            try {
                os.close();
                os = null;
            } catch (Exception e2) {
                throw new RuntimeException("关闭流失败");
            }
        }
    }
}