android访问FTP服务器的客户端

package donglisiwei.bingyuan.cai; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.apache.commons.net.ftp.FTPFile; import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.os.StrictMode; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.Button; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; public class ServiceList extends Activity { private String hostName; private String userName; private String password; private TextView showServiceInfo = null;// 显示主机名 private List<FTPFile> remoteFile;// FTP服务器的文件 // private List<File> localFile;//本地的文件列表 private ListView fileList;// FTP服务器的文件列表 private FTP ftp; private static final String LOCAL_PATH = "mnt/sdcard"; private String currentTouchFolder = "";// 当前点击的目录 private int position = 0; private Button turnBack; private ProgressBar progressBar; @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub fixVersion();// 支持4.0版本,2.3以下的不用调用这个函数 super.onCreate(savedInstanceState); setContentView(R.layout.servicelist); showServiceInfo = (TextView) findViewById(R.id.myTextView1); fileList = (ListView) findViewById(R.id.list); turnBack = (Button) findViewById(R.id.turnback); progressBar = (ProgressBar) findViewById(R.id.progressBar2); progressBar.setVisibility(View.INVISIBLE); getLogInfo();// 获取主机名、用户名、登录密码 RemoteFilePath.remoteFilePath = FTP.REMOTE_PATH;// 切换目录时，RemoteFilePath.remoteFilePath存放绝对路径 loadRemoteView(RemoteFilePath.remoteFilePath);// 加载FTP服务器的文件目录到本地 fileList.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> arg0, View arg1, int location, long arg3) { Toast.makeText(ServiceList.this, remoteFile.get(location).toString(), Toast.LENGTH_SHORT) .show(); final int folder; folder = location; position = location; // 选项是文件夹，弹出对话框，提示下载或者进入该文件夹 if (remoteFile.get(location).isDirectory()) { AlertDialog.Builder builder = new Builder(ServiceList.this); builder.setMessage("下载or进入？"); builder.setTitle("提示"); builder.setPositiveButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub } }); builder.setNegativeButton("进入", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub currentTouchFolder = remoteFile.get(folder) .toString(); int str_position = currentTouchFolder .indexOf("<DIR>") + 15; currentTouchFolder = currentTouchFolder .substring(str_position, currentTouchFolder.length()); if (RemoteFilePath.remoteFilePath == "") RemoteFilePath.remoteFilePath = RemoteFilePath.remoteFilePath + currentTouchFolder; else RemoteFilePath.remoteFilePath = RemoteFilePath.remoteFilePath + "/" + currentTouchFolder; loadRemoteView(RemoteFilePath.remoteFilePath); } }); builder.setNeutralButton("下载", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub progressBar.setVisibility(View.VISIBLE); downLoad(); } }); builder.create().show(); } else { // 如果是文件格式，弹出提示对话框，提示下载或者取消 AlertDialog.Builder builder = new Builder(ServiceList.this); builder.setMessage("下载or取消？"); builder.setTitle("提示"); builder.setNegativeButton("下载", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub progressBar.setVisibility(View.VISIBLE); downLoad(); } }); builder.setNeutralButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub } }); builder.create().show(); } } }); // 返回上层目录 turnBack.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub String str = RemoteFilePath.remoteFilePath; int index = 0; while (str.indexOf("/") != -1) { index = index + str.indexOf("/") + 1; str = str.substring(str.indexOf("/") + 1, str.length()); System.out.println("str-->" + str); } if (index != 0){ RemoteFilePath.remoteFilePath = RemoteFilePath.remoteFilePath .substring(0, index - 1); } else RemoteFilePath.remoteFilePath = ""; System.out.println(RemoteFilePath.remoteFilePath); loadRemoteView(RemoteFilePath.remoteFilePath); } }); } /** * 加载FTP服务器的文件目录到本地 * * */ private void loadRemoteView(String remotePath) { try { if (ftp != null) { ftp.closeConnect(); } Log.e("hostName", hostName); Log.e("userName", userName); Log.e("passwrod", password); ftp = new FTP(hostName, userName, password); ftp.openConnect(); remoteFile = new ArrayList<FTPFile>(); remoteFile = ftp.listFiles(remotePath); RemoteAdapter adapter = new RemoteAdapter(this, remoteFile); fileList.setAdapter(adapter); } catch (IOException e) { System.out.println("connect exception"); e.printStackTrace(); } } /** * 4.0版本进行修改 * */ public void fixVersion() { String strVer = GetVersion.GetSystemVersion(); strVer = strVer.substring(0, 3).trim(); float fv = Float.valueOf(strVer); if (fv > 2.3) { StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() .detectDiskReads().detectDiskWrites().detectNetwork() // 这里可以替换为detectAll() // 就包括了磁盘读写和网络I/O .penaltyLog() // 打印logcat，当然也可以定位到dropbox，通过文件保存相应的log .build()); StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() .detectLeakedSqlLiteObjects() // 探测SQLite数据库操作 .penaltyLog() // 打印logcat .penaltyDeath().build()); } } public void getLogInfo() { Intent intent = getIntent(); hostName = intent.getStringExtra("hostName"); userName = intent.getStringExtra("userName"); password = intent.getStringExtra("password"); showServiceInfo.setText("您登录的主机：" + hostName); } public void downLoad() { Result result = null; try { result = ftp.download(RemoteFilePath.remoteFilePath, remoteFile .get(position).getName(), LOCAL_PATH); } catch (IOException e) { e.printStackTrace(); } if (result.isSucceed()) { Toast.makeText(ServiceList.this, "下载成功", Toast.LENGTH_SHORT).show(); progressBar.setVisibility(View.INVISIBLE); } else { Toast.makeText(ServiceList.this, "下载失败", Toast.LENGTH_SHORT).show(); progressBar.setVisibility(View.INVISIBLE); } } }