通過sftp訪問服務器日誌文件，逐條解析日誌後調用http接口實現業務功能

學習點sftp的訪問

linux上訪問       sftp [email protected]

學習點HttpURLConnection的使用

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;


import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;

public void parse(){

Session sshSession = null;
ChannelSftp sftp = null;
String beforeDat=getBeforeDate();
try {
// 連接sftp服務器
JSch jsch = new JSch();
sshSession = jsch.getSession("ftp-music","192.1.1.1",50022);
sshSession.setPassword("WtLv53xHCwGRQN66dQ1C");
Properties sshConfig = new Properties();
sshConfig.put("StrictHostKeyChecking", "no");
sshSession.setConfig(sshConfig);
sshSession.connect();
Channel channel = sshSession.openChannel("sftp");
channel.connect();
sftp = (ChannelSftp) channel;

//下載到本地

FileWriter fw = new FileWriter(localTmpDir + fileName);
BufferedReader br = new BufferedReader(new InputStreamReader(is));
char[] ch = new char[1024];
while (br.read(ch) != -1) {
fw.write(ch);
ch = new char[1024];
}
is.close();
fw.close();
br.close();

sftp.disconnect();
sshSession.disconnect();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (sftp.isConnected()) {
try {
sftp.disconnect();


} catch (Exception e) {
e.printStackTrace();
}
}
}
}

/**
* 調用服務器接口
*/
public void connectionClient(){
try {
URL url = new URL("http://127.0.0.1:8080/mmServer/plug-in/sub/orderProduct.aspx?contentid=1001010");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();  

connection.addRequestProperty("gt", "isme"); //設置header

connection.addRequestProperty("X-Channel-Code", "014A019");

connection.addRequestProperty("X-Signature",MD5.ToMD5(url_path+phoneNum+"20130527101010m&M*Sr#V"));

connection.setConnectTimeout(3000);  
connection.setReadTimeout(3000); 

connection.connect();
   // 取得輸入流，並使用Reader讀取
       BufferedReader reader = new BufferedReader(new InputStreamReader(
               connection.getInputStream()));
       System.out.println("=============================");
       System.out.println("Contents of get request");
       System.out.println("=============================");
       String lines;
       while ((lines = reader.readLine()) != null) {
           System.out.println(lines);
       }
       reader.close();
       // 斷開連接
       connection.disconnect();
       System.out.println("=============================");
       System.out.println("Contents of get request ends");
       System.out.println("=============================");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}   

}

/**
* 獲取上一天的日期
*/
private String getBeforeDate()
{
//日誌日期,取前一天
Date current =  new Date();
Calendar c = Calendar.getInstance();
c.setTime(current);
int date = c.get(Calendar.DATE);
c.set(Calendar.DATE, date -1);
String beforDateStr = new SimpleDateFormat("yyyyMMdd").format(c.getTime());
return beforDateStr;
}