Example usage for java.net HttpURLConnection getHeaderField

List of usage examples for java.net HttpURLConnection getHeaderField

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Introduction

In this page you can find the example usage for java.net HttpURLConnection getHeaderField.

Prototype

public String getHeaderField(int n)

Source Link

Document

Returns the value for the n th header field.

Usage

From source file:org.apache.olingo.fit.tecsvc.http.AcceptHeaderAcceptCharsetHeaderITCase.java

@Test
public void multipleValuesInAcceptCharsetHeader2() throws Exception {
    URL url = new URL(SERVICE_URI + "ESAllPrim");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT_CHARSET, "utf-8;q=0.1,utf-8;q=0.8,utf8");
    connection.setRequestProperty(HttpHeader.ACCEPT, ContentType.APPLICATION_JSON.toContentTypeString());
    connection.connect();//from w  ww .j  av a 2  s.c om

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertNotNull(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    ContentType contentType = ContentType.parse(connection.getHeaderField(HttpHeader.CONTENT_TYPE));
    assertEquals("application", contentType.getType());
    assertEquals("json", contentType.getSubtype());
    assertEquals(2, contentType.getParameters().size());
    assertEquals("utf8", contentType.getParameter("charset"));
    assertEquals("minimal", contentType.getParameter("odata.metadata"));

    final String content = IOUtils.toString(connection.getInputStream());
    assertNotNull(content);
}

From source file:manchester.synbiochem.datacapture.SeekConnector.java

public URL linkFileAsset(User user, Assay assay, String description, String title, URI location) {
    try {/*from   w w w . j  a va  2 s  .  c  om*/
        MultipartFormData form = makeFileLinkForm(user, assay, location, description, title);
        log.info("creating linked asset with title '" + title + "' from originating location " + location);
        HttpURLConnection c = connect("/data_files");
        try {
            switch (postForm(c, form)) {
            case CREATED:
            case FOUND:
                URL url = new URL(seek, c.getHeaderField("Location"));
                log.info("linked asset at " + url);
                return url;
            case SERVICE_UNAVAILABLE:
                throw new ServiceUnavailableException("SEEK is not available");
            default:
                readErrorFromConnection(c, "problem in file link", "link failed with code %d: %s");
            case OK:
                return null;
            }
        } finally {
            c.disconnect();
        }
    } catch (IOException e) {
        throw new InternalServerErrorException("HTTP error", e);
    }
}

From source file:manchester.synbiochem.datacapture.SeekConnector.java

public URL uploadFileAsset(User user, Assay assay, String name, String description, String title, String type,
        String content) {/* ww w  . j  a v a2  s . c om*/
    try {
        MultipartFormData form = makeFileUploadForm(user, assay, name, description, title, type, content);
        log.info("creating uploaded asset with title '" + title + "' and filename " + name);
        HttpURLConnection c = connect("/data_files");
        try {
            switch (postForm(c, form)) {
            case CREATED:
            case FOUND:
                URL url = new URL(seek, c.getHeaderField("Location"));
                log.info("uploaded asset at " + url);
                return url;
            case SERVICE_UNAVAILABLE:
                throw new ServiceUnavailableException("SEEK is not available");
            default:
                readErrorFromConnection(c, "problem in file upload", "upload failed with code %d: %s");
            case OK:
                return null;
            }
        } finally {
            c.disconnect();
        }
    } catch (IOException e) {
        throw new InternalServerErrorException("HTTP error", e);
    }
}

From source file:com.dream.library.utils.AbFileUtil.java

/**
 * ????./*from  ww  w.  j a v a2  s  .  c om*/
 *
 * @param url ?
 * @return ??
 */
public static String getRealFileNameFromUrl(String url) {
    String name = null;
    try {
        if (AbStringUtils.isEmpty(url)) {
            return name;
        }

        URL mUrl = new URL(url);
        HttpURLConnection mHttpURLConnection = (HttpURLConnection) mUrl.openConnection();
        mHttpURLConnection.setConnectTimeout(5 * 1000);
        mHttpURLConnection.setRequestMethod("GET");
        mHttpURLConnection.setRequestProperty("Accept",
                "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
        mHttpURLConnection.setRequestProperty("Accept-Language", "zh-CN");
        mHttpURLConnection.setRequestProperty("Referer", url);
        mHttpURLConnection.setRequestProperty("Charset", "UTF-8");
        mHttpURLConnection.setRequestProperty("User-Agent", "");
        mHttpURLConnection.setRequestProperty("Connection", "Keep-Alive");
        mHttpURLConnection.connect();
        if (mHttpURLConnection.getResponseCode() == 200) {
            for (int i = 0;; i++) {
                String mine = mHttpURLConnection.getHeaderField(i);
                if (mine == null) {
                    break;
                }
                if ("content-disposition".equals(mHttpURLConnection.getHeaderFieldKey(i).toLowerCase())) {
                    Matcher m = Pattern.compile(".*filename=(.*)").matcher(mine.toLowerCase());
                    if (m.find())
                        return m.group(1).replace("\"", "");
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        AbLog.e("???");
    }
    return name;
}

From source file:org.pocketcampus.plugin.moodle.server.old.MoodleServiceImpl.java

private HttpPageReply getHttpReplyWithCookie(String url, Cookie cookie) throws IOException {
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent", "Mozilla/5.0");
    conn.setInstanceFollowRedirects(false);
    conn.setRequestProperty("Cookie", cookie.cookie());
    if (conn.getResponseCode() == 200)
        return new HttpPageReply(StringUtils.fromStream(conn.getInputStream(), "UTF-8"), null);
    if (conn.getResponseCode() / 100 == 3)
        return new HttpPageReply(null, conn.getHeaderField("Location"));
    return new HttpPageReply(null, null);
}

From source file:URLTree.FindOptimalPath.java

public void printMap(List<Node> node, int stage, String outputFile, int threshold, String ouptputFrequencyFile,
        String filed3) {/*from w  w  w  . jav a  2 s  .c o m*/

    Map<String, Integer> countSimilarNode = new HashMap<String, Integer>();
    String nodeMatrix[][] = new String[node.size()][stage];
    for (int i = 0; i < node.size(); i++) {

        //System.out.println(Arrays.toString(node.get(i).getNodeArr()));
        String arr[] = node.get(i).getNodeArr();

        for (int j = 0; j < arr.length; j++) {
            if (j < stage) {
                nodeMatrix[i][j] = arr[j];
            }
        }

    }
    List<MergeSimilarNode> similarNode = new ArrayList<MergeSimilarNode>();
    Map<String, Integer> wordMap = new HashMap<String, Integer>();

    for (int i = 0; i < node.size(); i++) {
        for (int j = 0; j < stage; j++) {
            if (nodeMatrix[i][j] != null) {

                FreqWords nodeFreq = new FreqWords();
                System.out.print("[" + i + j + "]: " + nodeMatrix[i][j]);
                if (wordMap.containsKey(nodeMatrix[i][j] + "," + j)) {
                    wordMap.put(nodeMatrix[i][j] + "," + j, wordMap.get(nodeMatrix[i][j] + "," + j) + 1);
                } else {

                    wordMap.put(nodeMatrix[i][j] + "," + j, 1);
                }

            }
        }
        System.out.println();
    }
    List<FreqWords> freq = new ArrayList<FreqWords>();
    for (Map.Entry<String, Integer> entry : wordMap.entrySet()) {

        FreqWords fwords = new FreqWords();
        String key = entry.getKey();
        Integer value = entry.getValue();
        //String nodeStr[]=key.split(",");
        String[] nodeStr = new String[2];
        StringTokenizer st = new StringTokenizer(key, ",");
        int k = 0;
        while (st.hasMoreTokens()) {
            nodeStr[k] = st.nextToken();
            k++;
        }
        fwords.setNode(nodeStr[0]);
        System.out.println("node freq: " + nodeStr[1]);
        if (nodeStr[1] != null) {
            fwords.setFreq(Integer.parseInt(nodeStr[1]));
        } else {
            System.out.println("null value at" + nodeStr[0] + ": " + nodeStr[1]);
        }

        fwords.setValue(value);
        freq.add(fwords);

    }
    System.out.println("Done Matrix");
    //System.out.println();
    PrintWriter writer = null;
    List<String> urlList = new ArrayList<String>();
    List<FilterURL> varifiedList = new ArrayList<FilterURL>();
    try {

        writer = new PrintWriter(outputFile, "UTF-8");

        for (int i = 0; i < node.size(); i++) {
            String urlArr[] = new String[stage];

            int flag = 0;
            int sum = 0;
            for (int j = 0; j < stage; j++) {
                if (nodeMatrix[i][j] != null) {
                    for (FreqWords words : freq) {
                        //System.out.println();
                        //if(words.getNode().equals("ca"))
                        // System.out.println("words: "+words.getNode()+" i: "+i+"j: "+j+"  value: "+nodeMatrix[i][j]+" word Freq: "+ words.getFreq());
                        if (words.getNode().equals(nodeMatrix[i][j])) {
                            //if(words.getFreq()!=0)
                            //{
                            if (words.getFreq() == j) {
                                int count = node.get(i).getCount();
                                //url=url.append(nodeMatrix[i][j]).append("(").append(value+node.get(i).getCount()).append(")-");

                                if (threshold > words.getValue()) {

                                    flag = 1;
                                    break;
                                } else {
                                    sum += count;
                                    urlArr[j] = nodeMatrix[i][j];
                                    // System.out.println("i: "+i+"j: "+j+" found: "+urlArr[j]);

                                    break;

                                    //System.out.print(nodeMatrix[i][j]+"("+value+")");
                                }
                            }
                            //}

                        }

                    }

                }
                if (flag == 1) {
                    flag = 0;
                    break;
                }

            }

            //String urldata=StringUtils.join(urlArr,"-");                
            String urldata = Joiner.on("-").skipNulls().join(urlArr).trim();
            //System.out.println("Mearge URL"+urldata);

            if (urldata.endsWith("-")) {
                urldata = urldata.substring(0, urldata.length() - 1);
            }
            urldata = StringUtils.stripEnd(urldata, null);
            // System.out.print(urldata);
            if (!urldata.isEmpty()) {
                if (urldata.contains("-")) {
                    // writer.println(urldata+","+sum);

                    FilterURL filter = new FilterURL();
                    filter.setReversedURL(urldata);
                    filter.setCount(sum);
                    varifiedList.add(filter);
                }
            }

            //System.out.println(i);
            // System.out.println(i);

        }
        //varifiedSequece(varifiedList,writer);
        for (int i = 0; i < varifiedList.size() - 1; i++) {
            if (varifiedList.get(i).getReversedURL().contains(varifiedList.get(i + 1).getReversedURL())) {

            } else {
                if (threshold != 0) {
                    String nodesName[] = varifiedList.get(i).getReversedURL().split("-");
                    if (nodesName.length == 2) {
                        try {
                            String url2Domain = "http://" + nodesName[1] + "." + nodesName[0];
                            URL url = new URL(url2Domain);
                            // open connection
                            HttpURLConnection httpURLConnection = (HttpURLConnection) url
                                    .openConnection(Proxy.NO_PROXY);

                            // stop following browser redirect
                            httpURLConnection.setInstanceFollowRedirects(false);
                            httpURLConnection.setConnectTimeout(15000);
                            httpURLConnection.setReadTimeout(15000);
                            // extract location header containing the actual destination URL
                            String expandedURL = httpURLConnection.getHeaderField("Location");
                            httpURLConnection.disconnect();
                            if (expandedURL != null) {
                                System.out.println("Correct: " + expandedURL);
                                writer.println(varifiedList.get(i).getReversedURL() + ","
                                        + varifiedList.get(i).getCount());
                            }

                        } catch (Exception e) {
                            System.out.println("Incorrect: " + e);
                        }
                    } else {
                        writer.println(
                                varifiedList.get(i).getReversedURL() + "," + varifiedList.get(i).getCount());
                    }
                } else {
                    writer.println(varifiedList.get(i).getReversedURL() + "," + varifiedList.get(i).getCount());
                }

            }

        }

    } catch (Exception e) {
        e.printStackTrace();
        System.out.println(e);
    } finally {
        if (writer != null) {
            writer.close(); // **** closing it flushes it and reclaims resources ****
        }
    }
    System.out.println("Write into File->" + outputFile);

    Path obj = new Path();
    obj.finalFrequency(outputFile, ouptputFrequencyFile);
    // obj.preSunbrust(ouptputFrequencyFile,filed3);

}

From source file:calliope.db.CouchConnection.java

/**
 * Get a document's revid//from w ww. j  ava  2s.  c o m
 * @param db the database name
 * @param docID a prepared docID
 * @return a string or null to indicate it isn't there
 */
private String getRevId(String db, String docID) throws AeseException {
    HttpURLConnection conn = null;
    try {
        String login = (user == null) ? "" : user + ":" + password + "@";
        URL u = new URL("http://" + login + host + ":" + dbPort + "/" + db + "/" + docID);
        conn = (HttpURLConnection) u.openConnection();
        conn.setRequestMethod("HEAD");
        conn.setRequestProperty("Content-Type", MIMETypes.JSON);
        conn.setUseCaches(false);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.connect();
        //Get Response   
        String revid = conn.getHeaderField("ETag");
        if (revid != null)
            revid = revid.replaceAll("\"", "");
        conn.disconnect();
        return revid;
    } catch (Exception e) {
        if (conn != null)
            conn.disconnect();
        throw new AeseException(e);
    }
}

From source file:org.onehippo.translate.TranslateWorkflowImpl.java

protected void translate(String sourceLanguage, String targetLanguage, List<String> texts)
        throws WorkflowException, RepositoryException {
    try {//  ww w  .j  av  a 2  s. c  o  m
        final String parameters = createParamters(texts, targetLanguage, sourceLanguage);
        if (log.isDebugEnabled()) {
            log.debug("request to google translate \"{}\" with parameters \"{}\"", GOOGLE_TRANSLATE_URL_V2,
                    parameters);
        }
        URL url = new URL(GOOGLE_TRANSLATE_URL_V2);
        HttpURLConnection connection = null;
        PrintWriter out = null;
        Reader in = null;
        try {
            connection = (HttpURLConnection) url.openConnection();
            connection.setConnectTimeout(timeout);
            connection.setReadTimeout(timeout);

            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty("X-HTTP-Method-Override", "GET");
            out = new PrintWriter(connection.getOutputStream());
            out.write(parameters);
            out.flush();

            final int status = connection.getResponseCode();
            if (status == 200) {
                String charset = getCharset(connection.getHeaderField("Content-Type"));
                in = new InputStreamReader(connection.getInputStream(), charset);
                final String response = IOUtils.toString(in);
                if (log.isDebugEnabled()) {
                    log.debug("response from google translate reads \"{}\"", response);
                }
                JSONObject jsonObject = new JSONObject(response);
                JSONArray jsonArray = jsonObject.getJSONObject("data").getJSONArray("translations");
                for (int i = 0; i < jsonArray.length(); i++) {
                    String translatedText = jsonArray.getJSONObject(i).getString("translatedText");
                    if (log.isDebugEnabled()) {
                        log.debug("translated \"{}\" to \"{}\"", texts.get(i), translatedText);
                    }
                    texts.set(i, translatedText);
                }
            } else {
                in = new InputStreamReader(connection.getErrorStream());
                log.warn("Failed to translate field, google translate responded with status {}", status);
                log.warn("Google response: {}", IOUtils.toString(in));
            }
        } finally {
            if (connection != null) {
                connection.disconnect();
            }
            IOUtils.closeQuietly(in);
            IOUtils.closeQuietly(out);
        }
    } catch (JSONException | IOException ex) {
        session.refresh(false);
        throw new WorkflowException("Failed to translate document", ex);
    }
}

From source file:org.callimachusproject.test.WebResource.java

public byte[] post(String type, byte[] body, String accept) throws IOException {
    HttpURLConnection con = (HttpURLConnection) new URL(uri).openConnection();
    con.setRequestMethod("POST");
    con.setRequestProperty("Accept", accept);
    con.setRequestProperty("Accept-Encoding", "gzip");
    con.setRequestProperty("Content-Type", type);
    con.setDoOutput(true);//from   w  w  w.  java 2  s .c o  m
    OutputStream req = con.getOutputStream();
    try {
        req.write(body);
    } finally {
        req.close();
    }
    Assert.assertEquals(con.getResponseMessage(), 200, con.getResponseCode());
    InputStream in = con.getInputStream();
    try {
        if ("gzip".equals(con.getHeaderField("Content-Encoding"))) {
            in = new GZIPInputStream(in);
        }
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ChannelUtil.transfer(in, out);
        return out.toByteArray();
    } finally {
        in.close();
    }
}

From source file:com.ibm.stocator.fs.swift.auth.PasswordScopeAccessProvider.java

/**
 * Authentication logic//from w w w  . ja  v  a 2 s  .co m
 *
 * @return Access JOSS access object
 * @throws IOException if failed to parse the response
 */
public Access passwordScopeAuth() throws IOException {
    InputStreamReader reader = null;
    BufferedReader bufReader = null;
    try {
        JSONObject user = new JSONObject();
        user.put("id", mUserId);
        user.put("password", mPassword);
        JSONObject password = new JSONObject();
        password.put("user", user);
        JSONArray methods = new JSONArray();
        methods.add("password");
        JSONObject identity = new JSONObject();
        identity.put("methods", methods);
        identity.put("password", password);
        JSONObject project = new JSONObject();
        project.put("id", mProjectId);
        JSONObject scope = new JSONObject();
        scope.put("project", project);
        JSONObject auth = new JSONObject();
        auth.put("identity", identity);
        auth.put("scope", scope);
        JSONObject requestBody = new JSONObject();
        requestBody.put("auth", auth);
        HttpURLConnection connection = (HttpURLConnection) new URL(mAuthUrl).openConnection();
        connection.setDoOutput(true);
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("Content-Type", "application/json");
        OutputStream output = connection.getOutputStream();
        output.write(requestBody.toString().getBytes());
        int status = connection.getResponseCode();
        if (status != 201) {
            return null;
        }
        reader = new InputStreamReader(connection.getInputStream());
        bufReader = new BufferedReader(reader);
        String res = bufReader.readLine();
        JSONParser parser = new JSONParser();
        JSONObject jsonResponse = (JSONObject) parser.parse(res);

        String token = connection.getHeaderField("X-Subject-Token");
        PasswordScopeAccess access = new PasswordScopeAccess(jsonResponse, token, mPrefferedRegion);
        bufReader.close();
        reader.close();
        connection.disconnect();
        return access;

    } catch (Exception e) {
        if (bufReader != null) {
            bufReader.close();
        }
        if (reader != null) {
            reader.close();
        }
        throw new IOException(e);
    }
}