JAVA 按行读取 文件的内容并加入判断条件

package com.company;

import java.io.*;

public class Main {
    public static void main(String[] args) {

                File file1 = new File("E:\\AH\\5062faf808c471d4a7ef738b89e62aa8.m3u8"); // 创建File类对象
                FileInputStream fis = null;
                InputStreamReader isr = null;
                BufferedReader br = null;
                try {
                    try {
                        fis = new FileInputStream(file1);
                    } catch (FileNotFoundException e) {
                        e.printStackTrace();
                    }
                    isr = new InputStreamReader(fis);
                    br = new BufferedReader(isr);
                    String lineTxt = null;
                    // 从缓冲区中逐行读取代码，调用readLine()方法
                    while ((lineTxt = br.readLine()) != null) {
                        if (lineTxt.contains(".ts")) { //判断关键字
                           System.out.println(lineTxt); // 逐行输出文件内容
                        }
                    }
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    // 关闭数据流
                    if (br != null) {
                        try {
                            br.close();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                    }
                    if (isr != null) {
                        try {
                            isr.close();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                    }
                    if (fis != null) {
                        try {
                            fis.close();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                    }
                }
            }
}