it.gmariotti.android.example.parser.json.WriteJsonGsonActivity.java Source code

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Here is the source code for it.gmariotti.android.example.parser.json.WriteJsonGsonActivity.java

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/*******************************************************************************
 * Copyright 2013 Gabriele Mariotti
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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 it.gmariotti.android.example.parser.json;

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;

import org.json.JSONObject;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.util.Log;
import android.widget.TextView;

import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;

@SuppressLint("WorldWriteableFiles")
public class WriteJsonGsonActivity extends SherlockActivity {

    TextView jsonView;

    private static String TAG = "WriteJsonActivity";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_write_json);
        // Show the Up button in the action bar.
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        jsonView = (TextView) findViewById(R.id.jsontext);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getSupportMenuInflater().inflate(R.menu.activity_write_json, menu);
        return true;
    }

    @SuppressLint("WorldReadableFiles")
    @SuppressWarnings("deprecation")
    private void writeJson() {

        String jsonString = JsonHelper.writeGson();
        Log.i(TAG, jsonString);

        BufferedWriter writer = null;
        try {

            // Use MODE_WORLD_WRITEABLE|MODE_WORLD_READABLE only for test
            writer = new BufferedWriter(
                    new OutputStreamWriter(openFileOutput("jsonfile", MODE_WORLD_WRITEABLE | MODE_WORLD_READABLE)));
            writer.write(jsonString);
            writer.close();

            // Update ui
            if (jsonView != null)
                jsonView.setText(jsonString);

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

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            // This ID represents the Home or Up button. In the case of this
            // activity, the Up button is shown. Use NavUtils to allow users
            // to navigate up one level in the application structure. For
            // more details, see the Navigation pattern on Android Design:
            //
            // http://developer.android.com/design/patterns/navigation.html#up-vs-back
            //
            NavUtils.navigateUpFromSameTask(this);
            return true;
        case R.id.menu_save:
            writeJson();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}