线程的正确处理及关闭示例

package com.shanglan.erp.ffmpeg.service;import com.shanglan.erp.ffmpeg.config.FFmpegConfig;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;/** * 任务消息输出处理器 */public class OutHandler extends Thread {    /**     * 控制状态     */    private volatile boolean desstatus = true;    /**     * 读取输出流     */    private BufferedReader br = null;    /**     * 输出类型     */    private String type = null;    /**     * 消息处理方法     */    private OutHandlerMethod ohm;    public void setOhm(OutHandlerMethod ohm) {        this.ohm = ohm;    }    public void setDesStatus(boolean desStatus) {        this.desstatus = desStatus;    }    public OutHandler(InputStream is, String type, OutHandlerMethod ohm) {        br = new BufferedReader(new InputStreamReader(is));        this.type = type;        this.ohm=ohm;    }    /**     * 重写线程销毁方法，安全的关闭线程     */    @Override    public void destroy() {        setDesStatus(false);    }    /**     * 执行输出线程     */    @Override    public void run() {        String msg = null;        try {            if (FFmpegConfig.isDebug()) {                System.out.println(type + "开始推流！");                while (desstatus && (msg = br.readLine()) != null) {                    ohm.parse(type,msg);                }            } else {                Thread.yield();            }        } catch (IOException e) {            System.out.println("发生内部异常错误，自动关闭[" + this.getId() + "]线程");            destroy();        } finally {            if (this.isAlive()) {                destroy();            }        }    }}