com.phonegap.plugins.CloudStorage.java Source code

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Here is the source code for com.phonegap.plugins.CloudStorage.java

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/**
* This file is part of a proof of concept implementation of a biodiversity 
* surveying application, which was developed by AIT Austrian Institute of 
* Technology GmbH within FP7 ENVIROFI research project. 
* It demonstrates the use of MDAF - Mobile Data Acquisition Framework 
* (renamed "ubicity" in 09/2013)  
* 
* See <catalogue.envirofi.eu/> and <www.envirofi.eu/> for more details.
* More information on ubicity at <www.ubicity.eu/?>
* 
* This prototype is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with the sources.  If not, see <http://www.gnu.org/licenses/>.
**/

/**
  * @file src/CloudStorage.java
  * @authors Maria Egly
  * @copyright Austrian Institute of Technology, 2013
  * @short Android Phonegap plugin for uploading and downloading files from/to the 
  *        mobile phone's file system to/from FI-Ware Cloud Storage GE
  */

package com.phonegap.plugins;

import java.io.File;
import java.io.FileInputStream;
import java.net.URI;

import org.apache.cordova.api.Plugin;
import org.apache.cordova.api.PluginResult;
import org.apache.cordova.api.PluginResult.Status;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONException;

import android.util.Log;

public class CloudStorage extends Plugin {

    public static final String LOG_TAG = "PhoneGap.Plugin.CloudStorage";

    protected static final String ACTION_UPLOAD = "uploadFile";
    protected static final String ACTION_STORE = "storeFile";

    /**
      * Executes the request and returns PluginResult.
      *
      * @param action        The action to execute.
      * @param data          JSONArry of arguments for the plugin.
      *                   'url': server url for upload
      *                   'file URI': URI of file to upload
     *                   'X-Auth-Token': authentication header to use for this request
      * @param callbackId    The callback id used when calling back into JavaScript.
      * @return              A PluginResult object with a status and message.
      * 
      */
    public PluginResult execute(String action, JSONArray data, String callbackId) {
        PluginResult result = null;
        if (ACTION_UPLOAD.equals(action) || ACTION_STORE.equals(action)) {
            try {
                String serverUrl = data.get(0).toString();
                String imageURI = data.getString(1).toString();
                String token = null;
                if (ACTION_UPLOAD.equals(action)) {
                    token = data.getString(2).toString();
                }

                File file = new File(new URI(imageURI));
                try {
                    HttpClient httpclient = new DefaultHttpClient();

                    HttpPut httpput = new HttpPut(serverUrl);

                    InputStreamEntity reqEntity = new InputStreamEntity(new FileInputStream(file), -1);
                    if (ACTION_UPLOAD.equals(action)) {
                        reqEntity.setContentType("binary/octet-stream");
                        reqEntity.setChunked(true); // Send in multiple parts if needed
                    } else {
                        reqEntity.setContentType("image/jpg");
                    }

                    httpput.setEntity(reqEntity);
                    if (token != null) {
                        httpput.addHeader("X-Auth-Token", token);
                    }

                    HttpResponse response = httpclient.execute(httpput);
                    Log.d(LOG_TAG, "http response: " + response.getStatusLine().getStatusCode()
                            + response.getStatusLine().getReasonPhrase());
                    //Do something with response...
                    result = new PluginResult(Status.OK, response.getStatusLine().getStatusCode());
                } catch (Exception e) {
                    Log.d(LOG_TAG, e.getLocalizedMessage());
                    result = new PluginResult(Status.ERROR);
                }
            } catch (JSONException e) {
                Log.d(LOG_TAG, e.getLocalizedMessage());
                result = new PluginResult(Status.JSON_EXCEPTION);
            } catch (Exception e1) {
                Log.d(LOG_TAG, e1.getLocalizedMessage());
                result = new PluginResult(Status.ERROR);
            }
        }
        return result;
    }
}