Android Open Source - AndroidCloud Upload Task

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 */*from   w w w .  j a  v a 2 s  .com*/
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.twlkyao.kuaipan;

import java.io.File;
import java.util.concurrent.ExecutionException;

import com.twlkyao.androidcloud.R;

import cn.kuaipan.android.openapi.KuaipanAPI;
import cn.kuaipan.android.sdk.exception.KscException;
import cn.kuaipan.android.sdk.exception.KscRuntimeException;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.Toast;

public class UploadTask {

  private static final String TAG = "UploadTask";
  
  private ProgressDialog dialog;
  private Activity activity;

  public UploadTask(Activity activity) {
    this.activity = activity;
  }

  public void showProgressDialog() {
    dialog = new ProgressDialog(activity);
    dialog.setMessage(activity.getString(R.string.uploading));
    dialog.setCancelable(false);
    dialog.show();
  }

  public void hideProgressDialog() {
    if (dialog != null && dialog.isShowing()) {
      dialog.dismiss();
    }
  }

  protected void displayAlert(String title, String message) {

    AlertDialog.Builder confirm = new AlertDialog.Builder(activity);
    confirm.setTitle(title);
    confirm.setMessage(message);

    confirm.setNegativeButton(activity.getString(R.string.ok),
        new DialogInterface.OnClickListener() {

          public void onClick(DialogInterface dialog, int which) {

            dialog.dismiss();
          }
        });

    confirm.show();
//    confirm.show().show();
  }

  protected void displayErrorAlert(String title, String message) {

    AlertDialog.Builder confirm = new AlertDialog.Builder(activity);
    confirm.setTitle(title);
    confirm.setMessage(message);

    confirm.setNegativeButton(activity.getString(R.string.ok),
        new DialogInterface.OnClickListener() {

          public void onClick(DialogInterface dialog, int which) {

            activity.finish();
          }
        });

    confirm.show();
//    confirm.show().show();
  }
  
  public String start (RequestBase req) {
    String result = null;
    try {
      result = new Upload ().execute(req).get().getErrorMsg();
    } catch (InterruptedException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (ExecutionException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    return result;
  }
  
  
  private class Upload extends AsyncTask<RequestBase, Void, ResultBase> {

    protected void onPreExecute() {
      Log.v(TAG, "====Upload task onPreExecute====");
      showProgressDialog();
    }

    protected ResultBase doInBackground(RequestBase... params) {
      Log.v(TAG, "====Upload task doInBackground====");
      if (params == null || params.length != 1) {
        return null;
      }

      final RequestBase req = (RequestBase) params[0]; // Get the params passed.
      final KuaipanAPI api = req.getApi(); // Get the KuaipanAPI.
      final String filePath = req.getFilePath(); // Get the path of file to upload.
      final String remotePath = req.getRemotePath(); // Get the path of the file on the remote server.
      
      ResultBase result = new ResultBase(); // To record the final result.
      
      File file = new java.io.File(filePath);
      if (!file.exists()) {
        return null;
      }
    
      result.setFilePath(filePath);
      Log.v(TAG , "ready to upload file " + file.getAbsolutePath() + " name:"+file.getName());
      try {
        api.upload(file, remotePath + "/" + file.getName(),
            new TransportListener(TransportListener.OPERATION_UPLOAD, "Upload"));
      } catch (KscRuntimeException e) {
        e.printStackTrace();
      } catch (KscException e) {
        e.printStackTrace();
      } catch (InterruptedException e) {
        e.printStackTrace();
      }        
          Log.v(TAG, "====Upload task doInBackground end====");
          return result;
      }

    protected void onPostExecute(ResultBase result) {

      hideProgressDialog ();
      if (result == null) {
        Toast.makeText(activity,
            R.string.empty_file_path,
            Toast.LENGTH_SHORT).show();
        return;
      }
      
      if (result.getErrorMsg() != null) {
        displayErrorAlert(
            activity.getString(R.string.upload_failure_title),
            result.getErrorMsg());
      } else { // Upload success, there needs to be a function to refresh the ListView.
        displayAlert(activity.getString(R.string.upload_success),
            "[" + result.getFilePath()
            + "]" + activity.getString(R.string.upload_success));
      }
    }
  }
}

Java Source Code List

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