import java.io.*;

import java.util.*;

/**

* 实现对日志文件的操作

*/

public class LogFileOperate implements LogFileOperateApi{

/**

* 日志文件的路径和文件名称，默认是当前classpath下的AdapterLog.log

*/

private String logFilePathName = "AdapterLog.log";

/**

* 构造方法，传入文件的路径和名称

* @param logFilePathName 文件的路径和名称

*/

public LogFileOperate(String logFilePathName) {

//先判断是否传入了文件的路径和名称，如果是，

//就重新设置操作的日志文件的路径和名称

if(logFilePathName!=null && logFilePathName.trim().length()>0){

this.logFilePathName = logFilePathName;

}

}

public List<LogModel> readLogFile() {

List<LogModel> list = null;

ObjectInputStream oin = null;

try {

File f = new File(logFilePathName);

if(f.exists()){

oin = new ObjectInputStream(

new BufferedInputStream(new FileInputStream(f))

);

list = (List<LogModel>)oin.readObject();

}

} catch (Exception e) {

e.printStackTrace();

}finally{

try {

if(oin!=null){

oin.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

return list;

}

public void writeLogFile(List<LogModel> list){

File f = new File(logFilePathName);

ObjectOutputStream oout = null;

try {

oout = new ObjectOutputStream(

new BufferedOutputStream(new FileOutputStream(f))

);

oout.writeObject(list);

} catch (IOException e) {

e.printStackTrace();

}finally{

try {

oout.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

}