Example usage for java.io OutputStreamWriter close

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.mnxfst.stream.listener.webtrends.WebtrendsTokenRequest.java

private String httpPost(Map<String, String> requestParams) throws Exception {
    final URL url = new URL(authUrl);

    final StringBuilder data = new StringBuilder();
    for (String key : requestParams.keySet())
        data.append(String.format("%s=%s&", key, requestParams.get(key)));

    final String dataString = data.toString();
    final String formData = dataString.substring(0, dataString.length() - 1);

    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
    connection.setDoOutput(true);//from w  w  w.j a va  2  s  .c  om

    final OutputStream outputStream = connection.getOutputStream();
    final OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream);
    outputStreamWriter.write(formData);
    outputStreamWriter.flush();

    InputStream is = connection.getResponseCode() != 400 ? connection.getInputStream()
            : connection.getErrorStream();

    final BufferedReader rd = new BufferedReader(new InputStreamReader(is));
    final StringBuffer stringBuffer = new StringBuffer();
    String line;
    while ((line = rd.readLine()) != null)
        stringBuffer.append(line);

    outputStreamWriter.close();
    rd.close();

    if (connection.getResponseCode() == 400)
        throw new Exception("error: " + stringBuffer.toString());

    return stringBuffer.toString();
}

---

From source file:biblivre3.cataloging.bibliographic.BiblioBO.java

private MemoryFileDTO createFile(final Collection<RecordDTO> records) {
    final MemoryFileDTO file = new MemoryFileDTO();
    file.setFileName(new Date().getTime() + ".mrc");
    try {//from  w ww  . j av  a 2 s  .co  m
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        final OutputStreamWriter writer = new OutputStreamWriter(baos, "UTF-8");
        for (RecordDTO dto : records) {
            writer.write(dto.getIso2709());
            writer.write(ApplicationConstants.LINE_BREAK);
        }
        writer.flush();
        writer.close();
        file.setFileData(baos.toByteArray());
    } catch (Exception e) {
        log.error(e.getMessage(), e);
    }
    return file;
}

---

From source file:MegaHandler.java

private String api_request(String data) {
    HttpURLConnection connection = null;
    try {/*from   w  w w  .ja  v  a  2s  . co  m*/
        String urlString = "https://g.api.mega.co.nz/cs?id=" + sequence_number;
        if (sid != null)
            urlString += "&sid=" + sid;

        URL url = new URL(urlString);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST"); //use post method
        connection.setDoOutput(true); //we will send stuff
        connection.setDoInput(true); //we want feedback
        connection.setUseCaches(false); //no caches
        connection.setAllowUserInteraction(false);
        connection.setRequestProperty("Content-Type", "text/xml");

        OutputStream out = connection.getOutputStream();
        try {
            OutputStreamWriter wr = new OutputStreamWriter(out);
            wr.write("[" + data + "]"); //data is JSON object containing the api commands
            wr.flush();
            wr.close();
        } catch (IOException e) {
            e.printStackTrace();
        } finally { //in this case, we are ensured to close the output stream
            if (out != null)
                out.close();
        }

        InputStream in = connection.getInputStream();
        StringBuffer response = new StringBuffer();
        try {
            BufferedReader rd = new BufferedReader(new InputStreamReader(in));
            String line = "";
            while ((line = rd.readLine()) != null) {
                response.append(line);
            }
            rd.close(); //close the reader
        } catch (IOException e) {
            e.printStackTrace();
        } finally { //in this case, we are ensured to close the input stream
            if (in != null)
                in.close();
        }

        return response.toString().substring(1, response.toString().length() - 1);

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

    return "";
}

---

From source file:de.baumann.hhsmoodle.activities.Activity_count.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    PreferenceManager.setDefaultValues(this, R.xml.user_settings, false);
    sharedPref = PreferenceManager.getDefaultSharedPreferences(this);
    toDo_title = sharedPref.getString("count_title", "");
    String count_title = sharedPref.getString("count_content", "");
    toDo_icon = sharedPref.getString("count_icon", "");
    toDo_create = sharedPref.getString("count_create", "");
    String todo_attachment = sharedPref.getString("count_attachment", "");
    if (!sharedPref.getString("count_seqno", "").isEmpty()) {
        toDo_seqno = Integer.parseInt(sharedPref.getString("count_seqno", ""));
    }//w  w w  . j  a  v a  2  s . com

    setContentView(R.layout.activity_count);
    setTitle(toDo_title);

    final EditText etNewItem = (EditText) findViewById(R.id.etNewItem);
    FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
    fab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            String itemText = etNewItem.getText().toString();

            if (itemText.isEmpty()) {
                Snackbar.make(lvItems, R.string.todo_enter, Snackbar.LENGTH_LONG).show();
            } else {
                itemsTitle.add(0, itemText);
                itemsCount.add(0, "0");
                etNewItem.setText("");
                writeItemsTitle();
                writeItemsCount();
                lvItems.post(new Runnable() {
                    public void run() {
                        lvItems.setSelection(lvItems.getCount() - 1);
                    }
                });
                adapter.notifyDataSetChanged();
            }
        }
    });

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    helper_main.onStart(Activity_count.this);

    final ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
    }

    try {
        FileOutputStream fOut = new FileOutputStream(newFileTitle());
        OutputStreamWriter myOutWriter = new OutputStreamWriter(fOut);
        myOutWriter.append(count_title);
        myOutWriter.close();

        fOut.flush();
        fOut.close();
    } catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    }

    try {
        FileOutputStream fOut = new FileOutputStream(newFileCount());
        OutputStreamWriter myOutWriter = new OutputStreamWriter(fOut);
        myOutWriter.append(todo_attachment);
        myOutWriter.close();

        fOut.flush();
        fOut.close();
    } catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    }

    lvItems = (ListView) findViewById(R.id.lvItems);
    itemsTitle = new ArrayList<>();
    readItemsTitle();
    readItemsCount();

    adapter = new CustomListAdapter(Activity_count.this, itemsTitle, itemsCount) {
        @NonNull
        @Override
        public View getView(final int position, View convertView, @NonNull ViewGroup parent) {

            View v = super.getView(position, convertView, parent);
            ImageButton ib_plus = (ImageButton) v.findViewById(R.id.but_plus);
            ImageButton ib_minus = (ImageButton) v.findViewById(R.id.but_minus);
            TextView tv = (TextView) v.findViewById(R.id.count_count);

            int count = Integer.parseInt(itemsCount.get(position));

            if (count < 0) {
                tv.setTextColor(ContextCompat.getColor(Activity_count.this, R.color.color_red));
            } else if (count > 0) {
                tv.setTextColor(ContextCompat.getColor(Activity_count.this, R.color.color_green));
            } else if (count == 0) {
                tv.setTextColor(ContextCompat.getColor(Activity_count.this, R.color.color_grey));
            }

            ib_plus.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View arg0) {

                    int a = Integer.parseInt(itemsCount.get(position)) + 1;
                    String plus = String.valueOf(a);

                    itemsCount.remove(position);
                    itemsCount.add(position, plus);
                    // Refresh the adapter
                    adapter.notifyDataSetChanged();
                    // Return true consumes the long click event (marks it handled)
                    writeItemsTitle();
                    writeItemsCount();

                }
            });

            ib_minus.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View arg0) {

                    int a = Integer.parseInt(itemsCount.get(position)) - 1;
                    String minus = String.valueOf(a);

                    itemsCount.remove(position);
                    itemsCount.add(position, minus);
                    // Refresh the adapter
                    adapter.notifyDataSetChanged();
                    // Return true consumes the long click event (marks it handled)
                    writeItemsTitle();
                    writeItemsCount();
                }
            });

            return v;
        }
    };

    lvItems.setAdapter(adapter);

    lvItems.setOnItemClickListener(new android.widget.AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(android.widget.AdapterView<?> parent, View view, final int position, long id) {

            final String title = itemsTitle.get(position);
            final String count = itemsCount.get(position);

            AlertDialog.Builder builder = new AlertDialog.Builder(Activity_count.this);
            View dialogView = View.inflate(Activity_count.this, R.layout.dialog_edit_text_singleline_count,
                    null);

            final EditText edit_title = (EditText) dialogView.findViewById(R.id.pass_title);
            edit_title.setText(title);

            builder.setView(dialogView);
            builder.setTitle(R.string.number_edit_entry);
            builder.setPositiveButton(R.string.toast_yes, new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {

                    String inputTag = edit_title.getText().toString().trim();
                    // Remove the item within array at position
                    itemsTitle.remove(position);
                    itemsCount.remove(position);

                    itemsTitle.add(position, inputTag);
                    itemsCount.add(position, count);

                    // Refresh the adapter
                    adapter.notifyDataSetChanged();
                    // Return true consumes the long click event (marks it handled)
                    writeItemsTitle();
                    writeItemsCount();
                }
            });
            builder.setNegativeButton(R.string.toast_cancel, new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                    dialog.cancel();
                }
            });

            final AlertDialog dialog2 = builder.create();
            // Display the custom alert dialog on interface
            dialog2.show();
            helper_main.showKeyboard(Activity_count.this, edit_title);
        }
    });

    lvItems.setOnItemLongClickListener(new android.widget.AdapterView.OnItemLongClickListener() {
        @Override
        public boolean onItemLongClick(android.widget.AdapterView<?> parent, View view, final int position,
                long id) {

            final String title = itemsTitle.get(position);
            final String count = itemsCount.get(position);

            // Remove the item within array at position
            itemsTitle.remove(position);
            itemsCount.remove(position);
            // Refresh the adapter
            adapter.notifyDataSetChanged();
            // Return true consumes the long click event (marks it handled)
            writeItemsTitle();
            writeItemsCount();

            Snackbar snackbar = Snackbar.make(lvItems, R.string.todo_removed, Snackbar.LENGTH_LONG)
                    .setAction(R.string.todo_removed_back, new View.OnClickListener() {
                        @Override
                        public void onClick(View view) {
                            itemsTitle.add(position, title);
                            itemsCount.add(position, count);
                            // Refresh the adapter
                            adapter.notifyDataSetChanged();
                            // Return true consumes the long click event (marks it handled)
                            writeItemsTitle();
                            writeItemsCount();
                        }
                    });
            snackbar.show();

            return true;
        }
    });
}

---

From source file:de.hybris.platform.marketplaceintegrationbackoffice.utils.MarketplaceintegrationbackofficeHttpUtilImpl.java

/**
 * Post data//from   w ww .  ja v a 2  s.  c om
 *
 * @param url
 * @param data
 * @return boolean
 * @throws IOException
 */
@Override
public boolean post(final String url, final String data) throws IOException {
    httpURL = new URL(url);
    final HttpURLConnection conn = (HttpURLConnection) httpURL.openConnection();
    conn.setDoOutput(true);
    initConnection(conn);
    OutputStreamWriter writer = null;
    OutputStream outStream = null;
    try {
        outStream = conn.getOutputStream();
        writer = new OutputStreamWriter(outStream, "UTF-8");
        writer.write(data);
        writer.flush();
    } finally {
        if (outStream != null) {
            try {
                outStream.close();
            } catch (final IOException ex) {
                LOG.error(ex.getMessage(), ex);
            }
        }
        if (writer != null) {
            try {
                writer.close();
            } catch (final IOException ex) {
                LOG.error(ex.getMessage(), ex);
            }
        }
    }
    final int status = conn.getResponseCode();
    conn.disconnect();
    return status == HttpURLConnection.HTTP_OK;
}

---

From source file:org.spiffyui.server.AuthServlet.java

private void doLogout(HttpServletRequest request, HttpServletResponse response, String token, String tsUrl)
        throws ServletException, IOException {
    if (token == null || tsUrl == null) {
        returnError(response, "Logout requires a token and a token server URL",
                RESTAuthConstants.INVALID_LOGOUT_REQUEST);
        return;//from  w ww  .java2  s . co  m
    }

    LOGGER.info("Making logout request for " + token + " to server " + tsUrl);

    try {
        validateURI(request, tsUrl);
    } catch (IllegalArgumentException iae) {
        returnError(response, iae.getMessage(), RESTAuthConstants.INVALID_TS_URL);
        return;
    }

    HttpClient httpclient = new DefaultHttpClient();

    URI.create(tsUrl);
    URL url = new URL(tsUrl);

    LOGGER.info("url: " + url);

    if (url.getProtocol() != null && url.getProtocol().equalsIgnoreCase("https")) {
        setupClientSSL(httpclient, url.getPort());
    }

    HttpDelete httpdel = new HttpDelete(tsUrl + "/" + URLEncoder.encode(token, "UTF-8"));

    httpdel.setHeader("Accept", "application/json");
    httpdel.setHeader("Accept-Charset", "UTF-8");
    httpdel.setHeader("Authorization", request.getHeader("Authorization"));
    httpdel.setHeader("TS-URL", request.getHeader("TS-URL"));

    // Execute the request
    HttpResponse authResponse = httpclient.execute(httpdel);

    int status = authResponse.getStatusLine().getStatusCode();
    if (status == 404) {
        LOGGER.info("The authentication server " + tsUrl + " was not found.");
        returnError(response, "The token server URL was not found", RESTAuthConstants.NOTFOUND_TS_URL);
        return;
    }

    // Get hold of the response entity
    HttpEntity entity = authResponse.getEntity();

    StringBuffer authResponseData = new StringBuffer();

    // If the response does not enclose an entity, there is no need
    // to worry about connection release
    if (entity != null) {
        InputStream instream = entity.getContent();
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new InputStreamReader(instream));

            // do something useful with the response
            authResponseData.append(reader.readLine());
        } catch (RuntimeException ex) {
            // In case of an unexpected exception you may want to abort
            // the HTTP request in order to shut down the underlying
            // connection and release it back to the connection manager.
            httpdel.abort();
            LOGGER.throwing(AuthServlet.class.getName(), "doLogout", ex);
            throw ex;
        } finally {
            // Closing the input stream will trigger connection release
            if (reader != null) {
                reader.close();
            }
        }

        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }

    //Now we write the response back to our client.
    response.setStatus(status);
    OutputStreamWriter out = new OutputStreamWriter(response.getOutputStream(), "UTF-8");
    out.write(authResponseData.toString());

    out.flush();
    out.close();
}

---

From source file:GCS_Auth.java

public GCS_Auth(String client_id, String key) {
    String SCOPE = "https://www.googleapis.com/auth/shoppingapi";
    SCOPE = SCOPE + " " + "https://www.googleapis.com/auth/structuredcontent";
    try {/*from ww w. ja v a2 s.  c  o m*/
        String jwt_header = "{\"alg\":\"RS256\",\"typ\":\"JWT\"}";

        long now = System.currentTimeMillis() / 1000L;
        long exp = now + 3600;
        String iss = client_id;
        String claim = "{\"iss\":\"" + iss + "\",\"scope\":\"" + SCOPE
                + "\",\"aud\":\"https://accounts.google.com/o/oauth2/token\",\"exp\":" + exp + ",\"iat\":" + now
                + "}";

        String jwt = Base64.encodeBase64URLSafeString(jwt_header.getBytes()) + "."
                + Base64.encodeBase64URLSafeString(claim.getBytes("UTF-8"));

        byte[] jwt_data = jwt.getBytes("UTF8");

        Signature sig = Signature.getInstance("SHA256WithRSA");

        KeyStore ks = java.security.KeyStore.getInstance("PKCS12");
        ks.load(new FileInputStream(key), "notasecret".toCharArray());

        sig.initSign((PrivateKey) ks.getKey("privatekey", "notasecret".toCharArray()));
        sig.update(jwt_data);
        byte[] signatureBytes = sig.sign();
        String b64sig = Base64.encodeBase64URLSafeString(signatureBytes);

        String assertion = jwt + "." + b64sig;

        //System.out.println("Assertion: " + assertion);

        String data = "grant_type=assertion";
        data += "&" + "assertion_type" + "="
                + URLEncoder.encode("http://oauth.net/grant_type/jwt/1.0/bearer", "UTF-8");
        data += "&" + "assertion=" + URLEncoder.encode(assertion, "UTF-8");

        URLConnection conn = null;
        try {
            URL url = new URL("https://accounts.google.com/o/oauth2/token");
            conn = url.openConnection();
            conn.setDoOutput(true);
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(data);
            wr.flush();

            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = rd.readLine()) != null) {
                if (line.split(":").length > 0)
                    if (line.split(":")[0].trim().equals("\"access_token\""))
                        access_token = line.split(":")[1].trim().replace("\"", "").replace(",", "");
                System.out.println(line);
            }
            wr.close();
            rd.close();
        } catch (Exception ex) {
            InputStream error = ((HttpURLConnection) conn).getErrorStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(error));
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
            System.out.println("Error: " + ex + "\n " + sb.toString());
        }
        //System.out.println(access_token);
    } catch (Exception ex) {
        System.out.println("Error: " + ex);
    }
}

---

From source file:com.rapleaf.api.personalization.RapleafApi.java

protected String bulkJsonResponse(String urlStr, String list) throws Exception {
    URL url = new URL(urlStr);
    HttpURLConnection handle = (HttpURLConnection) url.openConnection();
    handle.setRequestProperty("User-Agent", getUserAgent());
    handle.setRequestProperty("Content-Type", "application/json");
    handle.setConnectTimeout(timeout);/*w  w w.  j  av a 2s  .c  o  m*/
    handle.setReadTimeout(bulkTimeout);
    handle.setDoOutput(true);
    handle.setRequestMethod("POST");
    OutputStreamWriter wr = new OutputStreamWriter(handle.getOutputStream());
    wr.write(list);
    wr.flush();
    BufferedReader rd = new BufferedReader(new InputStreamReader(handle.getInputStream()));
    String line = rd.readLine();
    StringBuilder sb = new StringBuilder();
    while (line != null) {
        sb.append(line);
        line = rd.readLine();
    }
    wr.close();
    rd.close();

    int responseCode = handle.getResponseCode();
    if (responseCode < 200 || responseCode > 299) {
        throw new Exception("Error Code " + responseCode + ": " + sb.toString());
    }

    return sb.toString();
}

---

From source file:com.ibm.BestSellerServlet.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 *//* w  w w.  ja  v a2s . c  o m*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    // TODO Auto-generated method stub
    response.setContentType("text/json");
    response.setCharacterEncoding("UTF-8");

    OutputStream stream = response.getOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(stream, "UTF-8");

    String listName = request.getParameter("list");
    String date = request.getParameter("date");

    logger.debug("Requested list {} and requested date {}", listName, date);

    NewYorkTimes times = new NewYorkTimes(listName, date);

    try {
        BestSellerList bestSellers = times.getList();
        ObjectMapper mapper = new ObjectMapper();

        String listContents = mapper.writeValueAsString(bestSellers.getBooks());
        logger.debug("Booklist is {}", listContents);
        writer.write(listContents);
        writer.flush();
        writer.close();
    } catch (Exception e) {
        logger.error("New York times list unavailable");
        throw new IOException("Could not get book list from ny times");
    }

}

---

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

/**
 * Get the request token/*  w w  w.  j  a  v a  2  s  . c  o  m*/
 * 
 * @param callbackUrl
 *            HTTP callback URL for handling the user authorization
 * @return
 * @throws Exception
 */
public Map<String, String> getRequestToken(String callbackUrl) throws Exception {
    Log.d(LOG_TAG, "getRequestToken");
    URLConnection urlConnection = getUrlConnection(API_URL_BASE + REQUEST_TOKEN_PATH, true);

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

    Request request = new Request(POST);
    request.addParameter(OAUTH_CONSUMER_KEY, consumerKey);
    request.addParameter(OAUTH_CALLBACK, callbackUrl);
    request.sign(API_URL_BASE + REQUEST_TOKEN_PATH, consumerSecret, null);
    outputStreamWriter.write(request.toString());
    outputStreamWriter.close();

    return readParams(urlConnection.getInputStream());
}

---

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