Example usage for java.io OutputStreamWriter flush

Introduction

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

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes the stream.

Usage

From source file:fi.hip.sicx.store.HIPStoreClient.java

@Override
public boolean checkFile(String cloudFile, StorageClientObserver sco) {

    boolean ok = false;
    HttpURLConnection conn = null;
    try {// w w  w . ja va2s  . com
        String data = URLEncoder.encode("path", "UTF-8") + "=" + URLEncoder.encode(cloudFile, "UTF-8");

        conn = getConnection("/store/list");
        conn.setDoOutput(true);
        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(data);
        wr.flush();

        String inp = readInput(conn);
        JSONObject json = new JSONObject(inp);
        if (inp.length() > 10)
            ok = true;

        JSONArray arr = json.getJSONArray("elements");
        for (int i = 0; !ok && i < arr.length(); i++) {
            JSONObject o = arr.getJSONObject(i);
            if (o.getString("path").equals(cloudFile))
                ok = true;
        }

    } catch (Exception e) {
        e.printStackTrace();
        failed = true;
    }

    closeConnection(conn);
    return ok;
}

---

From source file:org.geotools.data.sfs.SFSDataStore.java

/**
 * This method requests the response from the URL either through GET/POST
 * and returns the response as a stream//www  . j  av  a2  s .c o m
 * The request is going to be a POST one if postData is not null, a GET otherwise
 * @param is
 * @return String
 * @throws IOException
 */
InputStream resourceToStream(String resource, String postData)
        throws MalformedURLException, IOException, ProtocolException {
    boolean doPost = false;
    URL url;
    if (postData != null && (baseURL.length() + resource.length() + postData.length() < 2048)) {
        url = new URL(baseURL + resource + "?" + postData);
    } else {
        url = new URL(baseURL + resource);
    }

    // TODO: use commons http client + persistent connections instead
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestProperty("Accept-Encoding", "gzip");

    // if we have username/password use them to setup basic auth
    if (user != null && password != null) {
        String combined = nullToEmpty(user) + ":" + nullToEmpty(password);
        byte[] authBytes = combined.getBytes("US-ASCII");
        String encoded = new String(Base64.encodeBase64(authBytes));
        urlConnection.setRequestProperty("Authorization", "Basic " + encoded);
    }

    // enforce the timeout if we have one
    if (timeout > 0) {
        urlConnection.setConnectTimeout(timeout);
        urlConnection.setReadTimeout(timeout);
    }

    urlConnection.setDoInput(true);
    if (doPost && postData != null && !"".equals(postData.trim())) {
        urlConnection.setRequestMethod("POST");
        urlConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        urlConnection.setDoOutput(true);

        /*write the data to server*/
        OutputStreamWriter wr = null;
        try {
            wr = new OutputStreamWriter(urlConnection.getOutputStream());
            wr.write(postData);
            wr.flush();
        } finally {
            if (wr != null) {
                wr.close();
            }
        }
    } else {
        urlConnection.setRequestMethod("GET");
    }

    /* Get the response from the server*/
    if (urlConnection.getResponseCode() != 200) {
        throw new IOException("Server reported and error with code " + urlConnection.getResponseCode() + ": "
                + urlConnection.getResponseMessage() + " accessing resource " + url.toExternalForm());
    } else {
        InputStream is = urlConnection.getInputStream();
        String encoding = urlConnection.getContentEncoding();
        if ("gzip".equalsIgnoreCase(encoding)) {
            is = new GZIPInputStream(is);
        }

        return is;
    }
}

---

From source file:be.solidx.hot.test.TestScriptExecutors.java

@Test
public void testScriptEncodingGroovy() throws Exception {
    Script<CompiledScript> script = new Script<CompiledScript>(
            IOUtils.toByteArray(getClass().getResourceAsStream("/frenchScript.groovy")), "french");
    FileOutputStream fileOutputStream = new FileOutputStream(new File("testiso.txt"));
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(bos, "ISO8859-1");

    groovyScriptExecutor.execute(script, outputStreamWriter);
    outputStreamWriter.flush();
    bos.flush();//from w ww. j  a v  a 2  s  .  c  om
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(outputStream, "ISO8859-1");
    writer.append(new String(bos.toByteArray(), "iso8859-1"));
    writer.flush();
    writer.close();
    fileOutputStream.write(outputStream.toByteArray());
    fileOutputStream.close();
    new File("testiso.txt").delete();
}

---

From source file:AIR.Common.Web.HttpWebHelper.java

public String getResponse(String urlString, String postRequestParams, String contentMimeType) throws Exception {
    try {/*  w  ww .  j  a v  a  2s  . c  o m*/
        URL url = new URL(urlString);
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        urlConn.setRequestProperty("Content-Type",
                String.format("application/%s; charset=UTF-8", contentMimeType));
        urlConn.setUseCaches(false);

        // the request will return a response
        urlConn.setDoInput(true);

        // set request method to POST
        urlConn.setDoOutput(true);

        OutputStreamWriter writer = new OutputStreamWriter(urlConn.getOutputStream());
        writer.write(postRequestParams);
        writer.flush();

        // reads response, store line by line in an array of Strings
        BufferedReader reader = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

        StringBuffer bfr = new StringBuffer();

        String line = "";
        while ((line = reader.readLine()) != null) {
            bfr.append(line + "\n");
        }

        reader.close();
        writer.close();
        urlConn.disconnect();
        return bfr.toString();

    } catch (Exception exp) {
        StringWriter strn = new StringWriter();
        exp.printStackTrace(new PrintWriter(strn));
        _logger.error(strn.toString());
        exp.printStackTrace();
        throw new Exception(exp);
    }
}

---

From source file:fi.hip.sicx.store.HIPStoreClient.java

/**
 * Gets a file stored in the cloud and saves to a local disk.
 * // w w  w.j  a  va 2 s.c  o  m
 * @param cloudFile The file in the cloud that is to be saved.
 * @param localOutFile The saved file name.
 * @return true if file saved successfully, otherwise false
 */
@Override
public boolean getFile(String cloudFile, String localOutFile, StorageClientObserver sco) {

    boolean ok = false;
    HttpURLConnection conn = null;
    try {
        String data = URLEncoder.encode("path", "UTF-8") + "=" + URLEncoder.encode(cloudFile, "UTF-8");

        conn = getConnection("/store/fetch");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(data);
        wr.flush();

        if (conn.getResponseCode() == 200) {

            InputStream in = conn.getInputStream();

            long total = conn.getContentLength();
            long sent = 0;

            System.out.println("content len is " + total);

            FileOutputStream out = new FileOutputStream(localOutFile);
            byte[] buf = new byte[1024 * 64];
            int r = 0;
            while ((r = in.read(buf)) > -1) {
                out.write(buf, 0, r);
                sent += r;
                sco.progressMade((int) ((sent * 100) / total));
            }
            out.close();
            ok = true;
        }

    } catch (Exception e) {
        e.printStackTrace();
        failed = true;
    }

    closeConnection(conn);
    return ok;
}

---

From source file:minikbextractor.SparqlProxy.java

public boolean storeData(StringBuilder query, boolean makeQuery) {
    boolean ret = true;
    if (makeQuery)
        query = SparqlProxy.makeQuery(query);
    HttpURLConnection connection = null;
    try {/*from ww  w . j  a v a  2 s.co  m*/
        String urlParameters = "update=" + URLEncoder.encode(query.toString(), "UTF-8");
        URL url = new URL(this.urlServer + "update");
        //Create connection
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");

        connection.setDoOutput(true);

        OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());

        writer.write(urlParameters);
        writer.flush();

        String line;
        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String rep = "";
        while ((line = reader.readLine()) != null) {
            rep += line;
        }
        writer.close();
        reader.close();
    } catch (Exception e) {
        System.err.println("ERROR UPDATE : " + e);
        SparqlProxy.saveQueryOnFile("Query.sparql", query.toString());
        ret = false;
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return ret;
}

---

From source file:org.modeshape.web.jcr.rest.AbstractRestTest.java

protected Response doPost(JSONObject object, String url) throws Exception {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(byteArrayOutputStream);
    object.write(writer);/*from  w ww  .  jav a 2s  .  co m*/
    writer.flush();
    writer.close();

    HttpPost post = newDefaultRequest(HttpPost.class,
            new ByteArrayInputStream(byteArrayOutputStream.toByteArray()), MediaType.APPLICATION_JSON, url);
    return new Response(post);
}

---

From source file:org.modeshape.web.jcr.rest.AbstractRestTest.java

protected Response doPut(JSONObject request, String url) throws Exception {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    OutputStreamWriter writer = new OutputStreamWriter(byteArrayOutputStream);
    request.write(writer);//  w  ww. j a  v  a 2s .  c  o  m
    writer.flush();
    writer.close();
    HttpPut put = newDefaultRequest(HttpPut.class,
            new ByteArrayInputStream(byteArrayOutputStream.toByteArray()), MediaType.APPLICATION_JSON, url);
    return new Response(put);
}

---

From source file:com.wifi.brainbreaker.mydemo.http.ModAssetServer.java

public void handle(final HttpRequest request, final HttpResponse response, final HttpContext context)
        throws HttpException, IOException {
    AbstractHttpEntity body = null;//from   w w w  .  ja va2s. c o  m

    final String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
    if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
        throw new MethodNotSupportedException(method + " method not supported");
    }

    final String url = URLDecoder.decode(request.getRequestLine().getUri());
    if (request instanceof HttpEntityEnclosingRequest) {
        HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
        byte[] entityContent = EntityUtils.toByteArray(entity);
        Log.d(TAG, "Incoming entity content (bytes): " + entityContent.length);
    }

    final String location = "www" + (url.equals("/") ? "/index.htm" : url);
    response.setStatusCode(HttpStatus.SC_OK);

    try {
        Log.i(TAG, "Requested: \"" + url + "\"");

        // Compares the Last-Modified date header (if present) with the If-Modified-Since date
        if (request.containsHeader("If-Modified-Since")) {
            try {
                Date date = DateUtils.parseDate(request.getHeaders("If-Modified-Since")[0].getValue());
                if (date.compareTo(mServer.mLastModified) <= 0) {
                    // The file has not been modified
                    response.setStatusCode(HttpStatus.SC_NOT_MODIFIED);
                    return;
                }
            } catch (DateParseException e) {
                e.printStackTrace();
            }
        }

        // We determine if the asset is compressed
        try {
            AssetFileDescriptor afd = mAssetManager.openFd(location);

            // The asset is not compressed
            FileInputStream fis = new FileInputStream(afd.getFileDescriptor());
            fis.skip(afd.getStartOffset());
            body = new InputStreamEntity(fis, afd.getDeclaredLength());

            Log.d(TAG, "Serving uncompressed file " + "www" + url);

        } catch (FileNotFoundException e) {

            // The asset may be compressed
            // AAPT compresses assets so first we need to uncompress them to determine their length
            InputStream stream = mAssetManager.open(location, AssetManager.ACCESS_STREAMING);
            ByteArrayOutputStream buffer = new ByteArrayOutputStream(64000);
            byte[] tmp = new byte[4096];
            int length = 0;
            while ((length = stream.read(tmp)) != -1)
                buffer.write(tmp, 0, length);
            body = new InputStreamEntity(new ByteArrayInputStream(buffer.toByteArray()), buffer.size());
            stream.close();

            Log.d(TAG, "Serving compressed file " + "www" + url);

        }

        body.setContentType(getMimeMediaType(url) + "; charset=UTF-8");
        response.addHeader("Last-Modified", DateUtils.formatDate(mServer.mLastModified));

    } catch (IOException e) {
        // File does not exist
        response.setStatusCode(HttpStatus.SC_NOT_FOUND);
        body = new EntityTemplate(new ContentProducer() {
            public void writeTo(final OutputStream outstream) throws IOException {
                OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
                writer.write("<html><body><h1>");
                writer.write("File ");
                writer.write("www" + url);
                writer.write(" not found");
                writer.write("</h1></body></html>");
                writer.flush();
            }
        });
        Log.d(TAG, "File " + "www" + url + " not found");
        body.setContentType("text/html; charset=UTF-8");
    }

    response.setEntity(body);

}

---

From source file:de.fahrgemeinschaft.FahrgemeinschaftConnector.java

@Override
public String publish(Ride offer) throws Exception {
    HttpURLConnection post;//from  www .j a  va  2s .  co  m
    if (offer.getRef() == null) {
        post = (HttpURLConnection) new URL(endpoint + TRIP).openConnection();
        post.setRequestMethod(POST);
    } else {
        post = (HttpURLConnection) new URL(
                new StringBuffer().append(endpoint).append(TRIP).append(ID).append(offer.getRef()).toString())
                        .openConnection();
        post.setRequestMethod(PUT);
    }
    post.setRequestProperty("User-Agent", USER_AGENT);
    post.setRequestProperty(APIKEY, Secret.APIKEY);
    if (getAuth() != null)
        post.setRequestProperty(AUTHKEY, getAuth());
    post.setDoOutput(true);
    JSONObject json = new JSONObject();
    //        json.put("Smoker", "no");
    json.put(TRIPTYPE, OFFER);
    json.put(TRIP_ID, offer.getRef());
    json.put(ID_USER, get(USER));
    if (offer.getMode() != null && offer.getMode().equals(Mode.TRAIN)) {
        json.put(PLATE, BAHN);
    } else {
        json.put(PLATE, offer.get(PLATE));
    }
    if (offer.isActive()) {
        json.put(RELEVANCE, 10);
    } else {
        json.put(RELEVANCE, 0);
    }
    json.put(PLACES, offer.getSeats());
    json.put(PRICE, offer.getPrice() / 100);
    json.put(CONTACTMAIL, offer.get(EMAIL));
    json.put(CONTACTMOBILE, offer.get(MOBILE));
    json.put(CONTACTLANDLINE, offer.get(LANDLINE));
    String dep = fulldf.format(offer.getDep());
    json.put(STARTDATE, dep.subSequence(0, 8));
    json.put(STARTTIME, dep.subSequence(8, 12));
    json.put(DESCRIPTION, offer.get(COMMENT));
    if (!offer.getDetails().isNull(PRIVACY))
        json.put(PRIVACY, offer.getDetails().getJSONObject(PRIVACY));
    if (!offer.getDetails().isNull(REOCCUR))
        json.put(REOCCUR, offer.getDetails().getJSONObject(REOCCUR));
    ArrayList<JSONObject> routings = new ArrayList<JSONObject>();
    List<Place> stops = offer.getPlaces();
    int max = stops.size() - 1;
    for (int dest = max; dest >= 0; dest--) {
        for (int orig = 0; orig < dest; orig++) {
            int idx = (orig == 0 ? (dest == max ? 0 : dest) : -dest);
            JSONObject route = new JSONObject();
            route.put(ROUTING_INDEX, idx);
            route.put(ORIGIN, place(stops.get(orig)));
            route.put(DESTINATION, place(stops.get(dest)));
            routings.add(route);
        }
    }
    json.put(ROUTINGS, new JSONArray(routings));
    OutputStreamWriter out = new OutputStreamWriter(post.getOutputStream());
    out.write(json.toString());
    out.flush();
    out.close();
    JSONObject response = loadJson(post);
    if (!response.isNull(TRIP_ID_WITH_SMALL_t)) {
        offer.ref(response.getString(TRIP_ID_WITH_SMALL_t));
    }
    return offer.getRef();
}

---

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