be.e_contract.eid.android.BeIDBrowserActivity.java Source code

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Here is the source code for be.e_contract.eid.android.BeIDBrowserActivity.java

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/*
 * Android eID Middleware Project.
 * Copyright (C) 2013 e-Contract.be BVBA.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.e_contract.eid.android;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.widget.Toast;

/**
 * Main activity for the browser "beid:..." URL handling.
 * 
 * @author Frank Cornelis
 * 
 */
public class BeIDBrowserActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.browser_view);
        setTitle(R.string.browser_app_name);

        Intent intent = getIntent();
        Uri uri = intent.getData();
        String endpoint = uri.getSchemeSpecificPart();

        new GetTask().execute(endpoint);
    }

    private class GetTask extends AsyncTask<String, Void, String> {

        private ProgressDialog progressDialog;

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            this.progressDialog = ProgressDialog.show(BeIDBrowserActivity.this, "Loading...",
                    "Loading eID operations...");
        }

        @Override
        protected String doInBackground(String... params) {
            String endpoint = params[0];
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(endpoint);
            try {
                HttpResponse httpResponse = httpClient.execute(httpPost);
                HttpEntity httpEntity = httpResponse.getEntity();
                String response = EntityUtils.toString(httpEntity);
                JSONObject jsonObject = new JSONObject(response);
                return jsonObject.getString("action");
            } catch (Exception e) {
                return null;
            }
        }

        @Override
        protected void onPostExecute(String result) {
            super.onPostExecute(result);
            this.progressDialog.dismiss();
            if (null == result) {
                Toast.makeText(BeIDBrowserActivity.this, "Error", Toast.LENGTH_LONG).show();
            } else {
                Toast.makeText(BeIDBrowserActivity.this, result, Toast.LENGTH_LONG).show();

                Intent intent = getIntent();
                Uri uri = intent.getData();
                String endpoint = uri.getSchemeSpecificPart();
                Intent browserIntent = new Intent(Intent.ACTION_VIEW);
                browserIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                browserIntent.setData(Uri.parse(endpoint));
                startActivity(browserIntent);
            }
        }
    }
}