Example usage for java.io OutputStreamWriter close

List of usage examples for java.io OutputStreamWriter close

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Introduction

In this page you can find the example usage for java.io OutputStreamWriter close.

Prototype

public void close() throws IOException

Source Link

Usage

From source file:com.megahardcore.config.MHCConfig.java

private void writeHeader() {
    if (mHeader == null)
        return;//from   w  w w.  j  av  a2  s .c o  m
    ByteArrayOutputStream memHeaderStream = null;
    OutputStreamWriter memWriter = null;
    try {
        //Write Header to a temporary file
        memHeaderStream = new ByteArrayOutputStream();
        memWriter = new OutputStreamWriter(memHeaderStream, Charset.forName("UTF-8").newEncoder());
        memWriter.write(mHeader.toString());
        memWriter.close();
        //Copy Header to the beginning of the config file
        IoHelper.writeHeader(mConfigFile, memHeaderStream);
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (memHeaderStream != null)
                memHeaderStream.close();
            if (memWriter != null)
                memWriter.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.mycompany.twitterapp.TwitterApp.java

public void saveToFile(long id, String tweet, String user, Orientation orientation) {
    OutputStreamWriter fileWriter = null;
    CSVPrinter csvFilePrinter = null;/*from w ww  .  j  a v  a2  s  .  c o m*/
    CSVFormat csvFileFormat = CSVFormat.DEFAULT;

    if (tweet != null) {
        try {
            fileWriter = new OutputStreamWriter(new FileOutputStream(tweetFileName, true), "UTF-8");

            csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat);
            csvFilePrinter.printRecord(id, orientation.name().toLowerCase(), tweet);

        } catch (IOException ex) {
            Logger.getLogger(TwitterApp.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                fileWriter.flush();
                fileWriter.close();
                csvFilePrinter.close();
            } catch (IOException e) {
                System.out.println("Error while flushing/closing fileWriter/csvPrinter !!!");
                e.printStackTrace();
            }

        }
    } else {
        try {
            fileWriter = new OutputStreamWriter(new FileOutputStream(userFileName, true), "UTF-8");
            csvFilePrinter = new CSVPrinter(fileWriter, csvFileFormat);
            csvFilePrinter.printRecord(id, user, orientation.name().toLowerCase());

        } catch (IOException ex) {
            Logger.getLogger(TwitterApp.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                fileWriter.flush();
                fileWriter.close();
                csvFilePrinter.close();
            } catch (IOException e) {
                System.out.println("Error while flushing/closing fileWriter/csvPrinter !!!");
                e.printStackTrace();
            }

        }
    }

}

From source file:com.createtank.payments.coinbase.CoinbaseApi.java

private boolean doTokenRequest(Map<String, String> params) throws IOException {
    Map<String, String> paramsBody = new HashMap<String, String>();
    paramsBody.put("client_id", clientId);
    paramsBody.put("client_secret", clientSecret);
    paramsBody.putAll(params);/*from   w ww .  ja v a  2  s  .  com*/

    String bodyStr = RequestClient.createRequestParams(paramsBody);
    System.out.println(bodyStr);
    HttpURLConnection conn = (HttpsURLConnection) new URL(OAUTH_BASE_URL + "/token").openConnection();
    conn.setRequestMethod("POST");
    conn.setDoOutput(true);
    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
    writer.write(bodyStr);
    writer.flush();
    writer.close();

    int code = conn.getResponseCode();

    if (code == 401) {
        return false;
    } else if (code != 200) {
        throw new IOException("Got HTTP response code " + code);
    }
    String response = RequestClient.getResponseBody(conn.getInputStream());

    JsonParser parser = new JsonParser();
    JsonObject content = (JsonObject) parser.parse(response);
    System.out.print("content: " + content.toString());
    accessToken = content.get("access_token").getAsString();
    refreshToken = content.get("refresh_token").getAsString();
    return true;
}

From source file:com.entertailion.android.shapeways.api.ShapewaysClient.java

/**
 * Call a Shapeways API with POST//from ww  w .  j a v a  2  s  . c o  m
 * 
 * @param apiUrl
 * @return
 * @throws Exception
 */
private String postResponseOld(String apiUrl, Map<String, String> parameters) throws Exception {
    Log.d(LOG_TAG, "postResponse: url=" + apiUrl);
    URLConnection urlConnection = getUrlConnection(apiUrl, true);

    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(urlConnection.getOutputStream());

    Request request = new Request(POST);
    request.addParameter(OAUTH_CONSUMER_KEY, consumerKey);
    request.addParameter(OAUTH_TOKEN, oauthToken);

    for (String key : parameters.keySet()) {
        request.addParameter(key, parameters.get(key));
    }

    request.sign(apiUrl, consumerSecret, oauthTokenSecret);
    outputStreamWriter.write(request.toString());
    outputStreamWriter.close();

    return readResponse(urlConnection.getInputStream());
}

From source file:edu.csh.coursebrowser.CourseActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_course);
    // Show the Up button in the action bar.
    this.getActionBar().setHomeButtonEnabled(false);
    map_item = new HashMap<String, Course>();
    map = new ArrayList<String>();
    Bundle args = this.getIntent().getExtras();
    this.setTitle(args.getCharSequence("title"));
    try {/*from   w  w  w.jav a2 s  .c  o  m*/
        JSONObject jso = new JSONObject(args.get("args").toString());
        JSONArray jsa = new JSONArray(jso.getString("courses"));
        ListView lv = (ListView) this.findViewById(R.id.course_list);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, map);
        for (int i = 0; i < jsa.length(); ++i) {
            String s = jsa.getString(i);
            JSONObject obj = new JSONObject(s);
            Course course = new Course(obj.getString("title"), obj.getString("department"),
                    obj.getString("course"), obj.getString("description"), obj.getString("id"));
            addItem(course);
            Log.v("Added", course.toString());
        }
        lv.setAdapter(adapter);
        lv.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
                String s = ((TextView) arg1).getText().toString();
                final Course course = map_item.get(s);
                new AsyncTask<String, String, String>() {
                    ProgressDialog p;

                    protected void onPreExecute() {
                        p = new ProgressDialog(CourseActivity.this);
                        p.setTitle("Fetching Info");
                        p.setMessage("Contacting Server...");
                        p.setCancelable(false);
                        p.show();
                    }

                    protected String doInBackground(String... dep) {
                        String params = "action=getSections&course=" + course.id;
                        Log.v("Params", params);
                        URL url;
                        String back = "";
                        try {
                            url = new URL("http://iota.csh.rit" + ".edu/schedule/js/browseAjax" + ".php");

                            URLConnection conn = url.openConnection();
                            conn.setDoOutput(true);
                            OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
                            writer.write(params);
                            writer.flush();
                            String line;
                            BufferedReader reader = new BufferedReader(
                                    new InputStreamReader(conn.getInputStream()));

                            while ((line = reader.readLine()) != null) {
                                Log.v("Back:", line);
                                back += line;
                            }
                            writer.close();
                            reader.close();
                        } catch (MalformedURLException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            return null;
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            p.dismiss();
                            return null;
                        }
                        return back;
                    }

                    protected void onPostExecute(String s) {
                        if (s == null || s == "") {
                            new AlertError(CourseActivity.this, "IO Error!").show();
                            return;
                        }
                        try {
                            JSONObject jso = new JSONObject(s);
                            JSONArray jsa = new JSONArray(jso.getString("sections"));
                        } catch (JSONException e) {
                            e.printStackTrace();
                            new AlertError(CourseActivity.this, "Invalid JSON From Server").show();
                            p.dismiss();
                            return;
                        }
                        Intent intent = new Intent(CourseActivity.this, SectionsActivity.class);
                        intent.putExtra("title", course.title);
                        intent.putExtra("id", course.id);
                        intent.putExtra("description", course.description);
                        intent.putExtra("args", s);
                        startActivity(intent);
                        p.dismiss();
                    }
                }.execute(course.id);
            }

        });

    } catch (JSONException e) {
        // TODO Auto-generated catch block
        new AlertError(this, "Invalid JSON");
        e.printStackTrace();
    }

}

From source file:com.hangum.tadpole.importexport.core.dialogs.CsvToRDBImportDialog.java

private void saveLog() {
    try {/*from ww w  .j a  v  a2 s .c om*/
        if ("".equals(textSQL.getText())) { //$NON-NLS-1$
            MessageDialog.openWarning(null, Messages.get().Warning,
                    Messages.get().SQLToDBImportDialog_LogEmpty);
            return;
        }
        String filename = PublicTadpoleDefine.TEMP_DIR + userDB.getDisplay_name() + "_SQLImportResult.log"; //$NON-NLS-1$

        FileOutputStream fos = new FileOutputStream(filename);
        OutputStreamWriter bw = new OutputStreamWriter(fos, "UTF-8"); //$NON-NLS-1$

        bw.write(textSQL.getText());
        bw.close();

        String strImportResultLogContent = FileUtils.readFileToString(new File(filename));

        downloadExtFile(userDB.getDisplay_name() + "_SQLImportResult.log", strImportResultLogContent);//sbExportData.toString()); //$NON-NLS-1$
    } catch (Exception ee) {
        logger.error("log writer", ee); //$NON-NLS-1$
    }
}

From source file:fi.cosky.sdk.API.java

private <T extends BaseData> T sendRequest(Link l, Class<T> tClass, Object object) throws IOException {
    URL serverAddress;/*from   w  w w. ja va 2 s  .c o  m*/
    BufferedReader br;
    String result = "";
    HttpURLConnection connection = null;
    String url = l.getUri().contains("://") ? l.getUri() : this.baseUrl + l.getUri();
    try {
        String method = l.getMethod();
        String type = l.getType();

        serverAddress = new URL(url);
        connection = (HttpURLConnection) serverAddress.openConnection();
        boolean doOutput = doOutput(method);
        connection.setDoOutput(doOutput);
        connection.setRequestMethod(method);
        connection.setInstanceFollowRedirects(false);

        if (method.equals("GET") && useMimeTypes)
            if (type == null || type.equals("")) {
                addMimeTypeAcceptToRequest(object, tClass, connection);
            } else {
                connection.addRequestProperty("Accept", helper.getSupportedType(type));
            }
        if (!useMimeTypes)
            connection.setRequestProperty("Accept", "application/json");

        if (doOutput && useMimeTypes) {
            //this handles the case if the link is self made and the type field has not been set.
            if (type == null || type.equals("")) {
                addMimeTypeContentTypeToRequest(l, tClass, connection);
                addMimeTypeAcceptToRequest(l, tClass, connection);
            } else {
                connection.addRequestProperty("Accept", helper.getSupportedType(type));
                connection.addRequestProperty("Content-Type", helper.getSupportedType(type));
            }
        }

        if (!useMimeTypes)
            connection.setRequestProperty("Content-Type", "application/json");

        if (tokenData != null) {
            connection.addRequestProperty("Authorization",
                    tokenData.getTokenType() + " " + tokenData.getAccessToken());
        }

        addVersionNumberToHeader(object, url, connection);

        if (method.equals("POST") || method.equals("PUT")) {
            String json = object != null ? gson.toJson(object) : ""; //should handle the case when POST without object.
            connection.addRequestProperty("Content-Length", json.getBytes("UTF-8").length + "");
            OutputStreamWriter osw = new OutputStreamWriter(connection.getOutputStream());
            osw.write(json);
            osw.flush();
            osw.close();
        }

        connection.connect();

        if (connection.getResponseCode() == HttpURLConnection.HTTP_CREATED
                || connection.getResponseCode() == HttpURLConnection.HTTP_SEE_OTHER) {
            ResponseData data = new ResponseData();
            Link link = parseLocationLinkFromString(connection.getHeaderField("Location"));
            link.setType(type);
            data.setLocation(link);
            connection.disconnect();
            return (T) data;
        }

        if (connection.getResponseCode() == HttpURLConnection.HTTP_UNAUTHORIZED) {
            System.out.println(
                    "Authentication expired " + connection.getResponseMessage() + " trying to reauthenticate");
            if (retry && this.tokenData != null) {
                this.tokenData = null;
                retry = false;
                if (authenticate()) {
                    System.out.println("Reauthentication success, will continue with " + l.getMethod()
                            + " request on " + l.getRel());
                    return sendRequest(l, tClass, object);
                }
            } else
                throw new IOException(
                        "Tried to reauthenticate but failed, please check the credentials and status of NFleet-API");
        }

        if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
            return (T) objectCache.getObject(url);
        }

        if (connection.getResponseCode() == HttpURLConnection.HTTP_NO_CONTENT) {
            return (T) new ResponseData();
        }

        if (connection.getResponseCode() >= HttpURLConnection.HTTP_BAD_REQUEST
                && connection.getResponseCode() < HttpURLConnection.HTTP_INTERNAL_ERROR) {
            System.out.println("ErrorCode: " + connection.getResponseCode() + " "
                    + connection.getResponseMessage() + " " + url + ", verb: " + method);

            String errorString = readErrorStreamAndCloseConnection(connection);
            throw (NFleetRequestException) gson.fromJson(errorString, NFleetRequestException.class);
        } else if (connection.getResponseCode() >= HttpURLConnection.HTTP_INTERNAL_ERROR) {
            if (retry) {
                System.out.println("Request caused internal server error, waiting " + RETRY_WAIT_TIME
                        + " ms and trying again.");
                return waitAndRetry(connection, l, tClass, object);
            } else {
                System.out.println("Requst caused internal server error, please contact dev@nfleet.fi");
                String errorString = readErrorStreamAndCloseConnection(connection);
                throw new IOException(errorString);
            }
        }

        if (connection.getResponseCode() >= HttpURLConnection.HTTP_BAD_GATEWAY) {
            if (retry) {
                System.out.println("Could not connect to NFleet-API, waiting " + RETRY_WAIT_TIME
                        + " ms and trying again.");
                return waitAndRetry(connection, l, tClass, object);
            } else {
                System.out.println(
                        "Could not connect to NFleet-API, please check service status from http://status.nfleet.fi and try again later.");
                String errorString = readErrorStreamAndCloseConnection(connection);
                throw new IOException(errorString);
            }

        }

        result = readDataFromConnection(connection);

    } catch (MalformedURLException e) {
        throw e;
    } catch (ProtocolException e) {
        throw e;
    } catch (UnsupportedEncodingException e) {
        throw e;
    } catch (IOException e) {
        throw e;
    } catch (SecurityException e) {
        throw e;
    } catch (IllegalArgumentException e) {
        throw e;
    } finally {
        assert connection != null;
        connection.disconnect();
    }
    Object newEntity = gson.fromJson(result, tClass);
    objectCache.addUri(url, newEntity);
    return (T) newEntity;
}

From source file:edu.csh.coursebrowser.DepartmentActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_departments);
    // Show the Up button in the action bar.
    // getActionBar().setDisplayHomeAsUpEnabled(false);
    this.getActionBar().setHomeButtonEnabled(true);
    final Bundle b = this.getIntent().getExtras();
    map_item = new HashMap<String, Department>();
    map = new ArrayList<String>();
    Bundle args = this.getIntent().getExtras();
    this.setTitle(args.getCharSequence("from"));
    try {/*from ww  w . j  av  a  2s .c  om*/
        JSONObject jso = new JSONObject(args.get("args").toString());
        JSONArray jsa = new JSONArray(jso.getString("departments"));
        ListView lv = (ListView) this.findViewById(R.id.department_list);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, map);
        for (int i = 0; i < jsa.length(); ++i) {
            String s = jsa.getString(i);
            JSONObject obj = new JSONObject(s);
            Department dept = new Department(obj.getString("title"), obj.getString("id"),
                    obj.getString("code"));
            addItem(dept);
            Log.v("Added", dept.toString());
        }
        lv.setAdapter(adapter);
        lv.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
                String s = ((TextView) arg1).getText().toString();
                final Department department = map_item.get(s);
                new AsyncTask<String, String, String>() {
                    ProgressDialog p;

                    protected void onPreExecute() {
                        p = new ProgressDialog(DepartmentActivity.this);
                        p.setTitle("Fetching Info");
                        p.setMessage("Contacting Server...");
                        p.setCancelable(false);
                        p.show();
                    }

                    protected String doInBackground(String... dep) {
                        String params = "action=getCourses&department=" + dep[0] + "&quarter="
                                + b.getString("qCode");
                        Log.v("Params", params);
                        URL url;
                        String back = "";
                        try {
                            url = new URL("http://iota.csh.rit" + ".edu/schedule/js/browseAjax" + ".php");

                            URLConnection conn = url.openConnection();
                            conn.setDoOutput(true);
                            OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
                            writer.write(params);
                            writer.flush();
                            String line;
                            BufferedReader reader = new BufferedReader(
                                    new InputStreamReader(conn.getInputStream()));

                            while ((line = reader.readLine()) != null) {
                                Log.v("Back:", line);
                                back += line;
                            }
                            writer.close();
                            reader.close();
                        } catch (MalformedURLException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            return null;
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            p.dismiss();
                            return null;
                        }
                        return back;
                    }

                    protected void onPostExecute(String s) {
                        if (s == null || s == "") {
                            new AlertError(DepartmentActivity.this, "IO Error!").show();
                            return;
                        }

                        try {
                            JSONObject jso = new JSONObject(s);
                            JSONArray jsa = new JSONArray(jso.getString("courses"));
                        } catch (JSONException e) {
                            e.printStackTrace();
                            new AlertError(DepartmentActivity.this, "Invalid JSON From Server").show();
                            p.dismiss();
                            return;
                        }
                        Intent intent = new Intent(DepartmentActivity.this, CourseActivity.class);
                        intent.putExtra("title", department.title);
                        intent.putExtra("id", department.id);
                        intent.putExtra("code", department.code);
                        intent.putExtra("args", s);
                        startActivity(intent);
                        p.dismiss();
                    }
                }.execute(department.id);
            }

        });

    } catch (JSONException e) {
        // TODO Auto-generated catch block
        new AlertError(this, "Invalid JSON");
        e.printStackTrace();
    }

}

From source file:com.extrahardmode.config.EHMConfig.java

private void writeHeader() {
    if (mHeader == null)
        return;//from  ww w. ja  v  a  2 s. c om
    ByteArrayOutputStream memHeaderStream = null;
    OutputStreamWriter memWriter = null;
    try {
        //Write Header to a temporary file
        memHeaderStream = new ByteArrayOutputStream();
        memWriter = new OutputStreamWriter(memHeaderStream, Charset.forName("UTF-8").newEncoder());
        memWriter.write(String.format(mHeader.toString()));
        memWriter.close();
        //Copy Header to the beginning of the config file
        IoHelper.writeHeader(mConfigFile, memHeaderStream);
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (memHeaderStream != null)
                memHeaderStream.close();
            if (memWriter != null)
                memWriter.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:UploadTest.java

@Test
public void test_with_javaLib() {
    httpCon.disconnect();/*from   w  w w.  j a  v a  2  s . co m*/
    try {
        // readStream(httpCon.getInputStream());
    } catch (Exception e) {
        e.printStackTrace();
    }
    httpCon.setRequestProperty("Content-Type", "application/json");
    httpCon.setRequestProperty("Accept", "application/json");
    httpCon.setDoOutput(true);
    try {
        httpCon.setRequestMethod("PUT");
    } catch (ProtocolException e) {
        e.printStackTrace();
    }
    try {
        httpCon.connect();
    } catch (Exception e) {
        e.printStackTrace();
    }
    String content = "{\"contentType\":\"monograph\",\"accessScheme\":\"public\",\"publishScheme\":\"public\"}";
    System.out.println(content);
    OutputStreamWriter out;
    try {
        out = new OutputStreamWriter(httpCon.getOutputStream());
        out.write(content);
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

    try {
        System.out.println(httpCon.getResponseCode());
    } catch (IOException e) {
        e.printStackTrace();
    }
}