Example usage for java.net HttpURLConnection getHeaderFields

Introduction

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

Prototype

public Map<String, List<String>> getHeaderFields() 

Source Link

Document

Returns an unmodifiable Map of the header fields.

Usage

From source file:common.net.volley.toolbox.HurlStack.java

@Override
public HttpResponse performRequest(Request<?> request, Map<String, String> additionalHeaders)
        throws IOException, AuthFailureError {
    String url = request.getUrl();

    stethoManager = new StethoURLConnectionManager(url);

    HashMap<String, String> map = new HashMap<String, String>();
    map.putAll(request.getHeaders());/*from w  w  w  . j a v a 2s .c  o m*/
    map.putAll(additionalHeaders);
    if (mUrlRewriter != null) {
        String rewritten = mUrlRewriter.rewriteUrl(url);
        if (rewritten == null) {
            throw new IOException("URL blocked by rewriter: " + url);
        }
        url = rewritten;
    }
    URL parsedUrl = new URL(url);
    HttpURLConnection connection = openConnection(parsedUrl, request);
    requestDecompression(connection);

    for (String headerName : map.keySet()) {
        connection.addRequestProperty(headerName, map.get(headerName));
    }

    setConnectionParametersForRequest(connection, request);

    // Initialize HttpResponse with data from the HttpURLConnection.
    ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
    int responseCode = connection.getResponseCode();
    if (responseCode == -1) {
        // -1 is returned by getResponseCode() if the response code could not be retrieved.
        // Signal to the caller that something was wrong with the connection.
        throw new IOException("Could not retrieve response code from HttpUrlConnection.");
    }
    StatusLine responseStatus = new BasicStatusLine(protocolVersion, connection.getResponseCode(),
            connection.getResponseMessage());

    stethoManager.postConnect();

    BasicHttpResponse response = new BasicHttpResponse(responseStatus);
    response.setEntity(entityFromConnection(connection));
    for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
        if (header.getKey() != null) {
            Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
            response.addHeader(h);
        }
    }

    return response;
}

---

From source file:com.yaozu.object.volley.toolbox.HurlStack.java

@Override
public HttpResponse performRequest(Request<?> request, Map<String, String> additionalHeaders)
        throws IOException, AuthFailureError {
    String url = request.getUrl();
    HashMap<String, String> map = new HashMap<String, String>();
    map.putAll(request.getHeaders());//from  w w w .  ja va2 s. c o  m
    map.putAll(additionalHeaders);
    if (mUrlRewriter != null) {
        String rewritten = mUrlRewriter.rewriteUrl(url);
        if (rewritten == null) {
            throw new IOException("URL blocked by rewriter: " + url);
        }
        url = rewritten;
    }
    URL parsedUrl = new URL(url);
    HttpURLConnection connection = openConnection(parsedUrl, request);
    for (String headerName : map.keySet()) {
        connection.addRequestProperty(headerName, map.get(headerName));
    }
    setConnectionParametersForRequest(connection, request);
    // Initialize HttpResponse with data from the HttpURLConnection.
    ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
    int responseCode = connection.getResponseCode();
    if (responseCode == -1) {
        // -1 is returned by getResponseCode() if the response code could
        // not be retrieved.
        // Signal to the caller that something was wrong with the
        // connection.
        throw new IOException("Could not retrieve response code from HttpUrlConnection.");
    }
    StatusLine responseStatus = new BasicStatusLine(protocolVersion, connection.getResponseCode(),
            connection.getResponseMessage());
    BasicHttpResponse response = new BasicHttpResponse(responseStatus);
    if (hasResponseBody(request.getMethod(), responseStatus.getStatusCode())) {
        response.setEntity(entityFromConnection(connection));
    }
    for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
        if (header.getKey() != null) {
            Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
            response.addHeader(h);
        }
    }
    return response;
}

---

From source file:com.selene.volley.stack.HurlStack.java

@Override
public HttpResponse performRequest(Request<?> request, Map<String, String> additionalHeaders)
        throws IOException, AuthFailureError {
    String url = request.getUrl();
    HashMap<String, String> map = new HashMap<String, String>();
    //      if (!TextUtils.isEmpty(mUserAgent)) {
    //         map.put(HTTP.USER_AGENT, mUserAgent);
    //      }//  w  ww.j a va 2 s .c  om
    map.putAll(request.getHeaders());
    map.putAll(additionalHeaders);
    if (mUrlRewriter != null) {
        String rewritten = mUrlRewriter.rewriteUrl(url);
        if (rewritten == null) {
            throw new IOException("URL blocked by rewriter: " + url);
        }
        url = rewritten;
    }
    URL parsedUrl = new URL(url);
    HttpURLConnection connection = openConnection(parsedUrl, request);
    for (String headerName : map.keySet()) {
        connection.addRequestProperty(headerName, map.get(headerName));
    }
    setConnectionParametersForRequest(connection, request);
    // Initialize HttpResponse with data from the HttpURLConnection.
    ProtocolVersion protocolVersion = new ProtocolVersion("HTTP", 1, 1);
    int responseCode = connection.getResponseCode();
    if (responseCode == -1) {
        // -1 is returned by getResponseCode() if the response code could
        // not be retrieved.
        // Signal to the caller that something was wrong with the
        // connection.
        throw new IOException("Could not retrieve response code from HttpUrlConnection.");
    }
    StatusLine responseStatus = new BasicStatusLine(protocolVersion, connection.getResponseCode(),
            connection.getResponseMessage());
    BasicHttpResponse response = new BasicHttpResponse(responseStatus);
    if (hasResponseBody(request.getMethod(), responseStatus.getStatusCode())) {
        response.setEntity(entityFromConnection(connection));
    }

    for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
        if (header.getKey() != null) {
            Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
            response.addHeader(h);
        }
    }
    return response;
}

---

From source file:com.handsome.frame.android.volley.stack.HurlStack.java

@Override
public HttpResponse performRequest(Request<?> request) throws IOException, AuthFailureError {
    HashMap<String, String> map = new HashMap<String, String>();
    if (!TextUtils.isEmpty(mUserAgent)) {
        map.put(HTTP.USER_AGENT, mUserAgent);
    }//from  ww w  . j  a v  a2s  .  com
    map.putAll(request.getHeaders());

    URL parsedUrl = new URL(request.getUrl());
    HttpURLConnection connection = openConnection(parsedUrl, request);

    for (String headerName : map.keySet()) {
        connection.addRequestProperty(headerName, map.get(headerName));
    }
    if (HandsomeApplication.getCookies() != null) {
        HDLog.d(TAG + "-Req-Cookie:", HandsomeApplication.getCookies().toString());
        connection.addRequestProperty("Cookie", HandsomeApplication.getCookies());
    } else {
        HDLog.d(TAG + "-Req-Cookie:", "null");
    }
    setConnectionParametersForRequest(connection, request);
    int responseCode = connection.getResponseCode();
    if (responseCode == -1) {
        // -1 is returned by getResponseCode() if the response code could not be retrieved.
        // Signal to the caller that something was wrong with the connection.
        throw new IOException("Could not retrieve response code from HttpUrlConnection.");
    }

    StatusLine responseStatus = new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1),
            connection.getResponseCode(), connection.getResponseMessage());
    BasicHttpResponse response = new BasicHttpResponse(responseStatus);
    response.setEntity(entityFromConnection(connection));
    for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
        if (header.getKey() != null) {
            if (header.getKey().equalsIgnoreCase("Set-Cookie")) {
                List<String> cookies = header.getValue();
                HashMap<String, HttpCookie> cookieMap = new HashMap<String, HttpCookie>();
                for (String string : cookies) {
                    List<HttpCookie> cookie = HttpCookie.parse(string);
                    for (HttpCookie httpCookie : cookie) {
                        cookieMap.put(httpCookie.getName(), httpCookie);
                    }
                }
                HandsomeApplication.setCookies(cookieMap);
                HDLog.d(TAG + "-Rsp-Cookie:", HandsomeApplication.getCookies().toString());
            } else {
                Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
                response.addHeader(h);
            }
        }
    }

    return response;
}

---

From source file:ai.eve.volley.stack.HurlStack.java

@Override
public HttpResponse performRequest(Request<?> request) throws IOException, AuthFailureError {
    HashMap<String, String> map = new HashMap<String, String>();
    if (!TextUtils.isEmpty(mUserAgent)) {
        map.put(HTTP.USER_AGENT, mUserAgent);
    }/*from ww  w  .  ja v  a 2s. c o m*/
    if (!TextUtils.isEmpty(mSignInfo)) {
        map.put("SIGN", ESecurity.Encrypt(mSignInfo));
    }
    map.putAll(request.getHeaders());

    URL parsedUrl = new URL(request.getUrl());
    HttpURLConnection connection = openConnection(parsedUrl, request);

    for (String headerName : map.keySet()) {
        connection.addRequestProperty(headerName, map.get(headerName));
    }
    if (EApplication.getCookies() != null) {
        ELog.I("cookie", EApplication.getCookies().toString());
        connection.addRequestProperty("Cookie", EApplication.getReqCookies());
    } else {
        ELog.I("cookie", "null");
    }
    setConnectionParametersForRequest(connection, request);
    int responseCode = connection.getResponseCode();
    if (responseCode == -1) {
        // -1 is returned by getResponseCode() if the response code could not be retrieved.
        // Signal to the caller that something was wrong with the connection.
        throw new IOException("Could not retrieve response code from HttpUrlConnection.");
    }

    StatusLine responseStatus = new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1),
            connection.getResponseCode(), connection.getResponseMessage());
    BasicHttpResponse response = new BasicHttpResponse(responseStatus);
    response.setEntity(entityFromConnection(connection));
    for (Entry<String, List<String>> header : connection.getHeaderFields().entrySet()) {
        if (header.getKey() != null) {
            if (header.getKey().equalsIgnoreCase("Set-Cookie")) {
                List<String> cookies = header.getValue();
                HashMap<String, HttpCookie> cookieMap = new HashMap<String, HttpCookie>();
                for (String string : cookies) {
                    List<HttpCookie> cookie = HttpCookie.parse(string);
                    for (HttpCookie httpCookie : cookie) {
                        if (httpCookie.getDomain() != null && httpCookie.getPath() != null) {
                            cookieMap.put(httpCookie.getName() + httpCookie.getDomain() + httpCookie.getPath(),
                                    httpCookie);
                        } else if (httpCookie.getDomain() == null && httpCookie.getPath() != null) {
                            cookieMap.put(httpCookie.getName() + httpCookie.getPath(), httpCookie);
                        } else if (httpCookie.getDomain() != null && httpCookie.getPath() == null) {
                            cookieMap.put(httpCookie.getName() + httpCookie.getDomain(), httpCookie);
                        } else {
                            cookieMap.put(httpCookie.getName(), httpCookie);
                        }
                    }
                }

                EApplication.setCookies(cookieMap);
                if (EApplication.getCookies() != null) {
                    ELog.I("?cookie", EApplication.getCookies().toString());
                }
            } else {
                Header h = new BasicHeader(header.getKey(), header.getValue().get(0));
                response.addHeader(h);
            }
        }
    }

    return response;
}

---

From source file:TimestreamsTests.java

/**
 * Performs HTTP post for a given URL//from  w  ww  . j a  v  a2s.  c  om
 * 
 * @param url
 *            is the URL to get
 * @param params
 *            is a URL encoded string in the form x=y&a=b...
 * @return a String with the contents of the get
 */
private Map<String, List<String>> doPut(URL url, String params) {
    HttpURLConnection connection;
    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("PUT");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        connection.setRequestProperty("Content-Length", "" + Integer.toString(params.getBytes().length));

        connection.setDoInput(true);
        connection.setDoOutput(true);
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
        out.write(params);
        out.close();
        Map<String, List<String>> responseHeaderFields = connection.getHeaderFields();
        System.out.println(responseHeaderFields);
        if (responseHeaderFields.get(null).get(0).equals("HTTP/1.1 200 OK")) {
            InputStream is = connection.getInputStream();
            BufferedReader rd = new BufferedReader(new InputStreamReader(is));
            String line;
            StringBuffer response = new StringBuffer();
            while ((line = rd.readLine()) != null) {
                response.append(line);
                response.append('\r');
            }
            rd.close();
            System.out.println(response);
        }
        return responseHeaderFields;
    } catch (IOException e1) {
        fail("Post " + url + " failed: " + e1.getLocalizedMessage());
    }

    return null;
}

---

From source file:com.twotoasters.android.hoot.HootTransportHttpUrlConnection.java

@Override
public HootResult synchronousExecute(HootRequest request) {
    if (request.isCancelled()) {
        return request.getResult();
    }// ww  w  .  jav a 2 s .c o m

    mStreamingMode = (request.getQueryParameters() == null && request.getData() == null
            && request.getMultipartEntity() == null) ? StreamingMode.CHUNKED : StreamingMode.FIXED;

    if (request.getStreamingMode() == HootRequest.STREAMING_MODE_FIXED) {
        mStreamingMode = StreamingMode.FIXED;
    }

    HttpURLConnection connection = null;
    try {
        String url = request.buildUri().toString();
        Log.v(TAG, "Executing [" + url + "]");
        connection = (HttpURLConnection) new URL(url).openConnection();
        if (connection instanceof HttpsURLConnection) {
            HttpsURLConnection httpsConnection = (HttpsURLConnection) connection;
            httpsConnection.setHostnameVerifier(mSSLHostNameVerifier);
        }
        connection.setConnectTimeout(mTimeout);
        connection.setReadTimeout(mTimeout);
        synchronized (mConnectionMap) {
            mConnectionMap.put(request, connection);
        }

        setRequestMethod(request, connection);
        setRequestHeaders(request, connection);

        if (request.getMultipartEntity() != null) {
            setMultipartEntity(request, connection);
        } else if (request.getData() != null) {
            setRequestData(request, connection);
        }

        HootResult hootResult = request.getResult();
        hootResult.setResponseCode(connection.getResponseCode());
        Log.d(TAG, " - received response code [" + connection.getResponseCode() + "]");
        if (request.getResult().isSuccess()) {
            hootResult.setHeaders(connection.getHeaderFields());
            hootResult.setResponseStream(new BufferedInputStream(connection.getInputStream()));
        } else {
            hootResult.setResponseStream(new BufferedInputStream(connection.getErrorStream()));
        }
        request.deserializeResult();
    } catch (Exception e) {
        request.getResult().setException(e);
        e.printStackTrace();
    } finally {
        if (connection != null) {
            synchronized (mConnectionMap) {
                mConnectionMap.remove(request);
            }
            connection.disconnect();
            connection = null;
        }
    }
    return request.getResult();
}

---

From source file:io.warp10.script.functions.URLFETCH.java

@Override
public Object apply(WarpScriptStack stack) throws WarpScriptException {

    if (!stack.isAuthenticated()) {
        throw new WarpScriptException(getName() + " requires the stack to be authenticated.");
    }/*from w  ww.  jav a 2 s .  co  m*/

    Object o = stack.pop();

    if (!(o instanceof String) && !(o instanceof List)) {
        throw new WarpScriptException(getName() + " expects a URL or list thereof on top of the stack.");
    }

    List<URL> urls = new ArrayList<URL>();

    try {
        if (o instanceof String) {
            urls.add(new URL(o.toString()));
        } else {
            for (Object oo : (List) o) {
                urls.add(new URL(oo.toString()));
            }
        }
    } catch (MalformedURLException mue) {
        throw new WarpScriptException(getName() + " encountered an invalid URL.");
    }

    //
    // Check URLs
    //

    for (URL url : urls) {
        if (!StandaloneWebCallService.checkURL(url)) {
            throw new WarpScriptException(getName() + " encountered an invalid URL '" + url + "'");
        }
    }

    //
    // Check that we do not exceed the maxurlfetch limit
    //

    AtomicLong urlfetchCount = (AtomicLong) stack.getAttribute(WarpScriptStack.ATTRIBUTE_URLFETCH_COUNT);
    AtomicLong urlfetchSize = (AtomicLong) stack.getAttribute(WarpScriptStack.ATTRIBUTE_URLFETCH_SIZE);

    if (urlfetchCount.get()
            + urls.size() > (long) stack.getAttribute(WarpScriptStack.ATTRIBUTE_URLFETCH_LIMIT)) {
        throw new WarpScriptException(getName() + " is limited to "
                + stack.getAttribute(WarpScriptStack.ATTRIBUTE_URLFETCH_LIMIT) + " calls.");
    }

    List<Object> results = new ArrayList<Object>();

    for (URL url : urls) {
        urlfetchCount.addAndGet(1);

        HttpURLConnection conn = null;

        try {
            conn = (HttpURLConnection) url.openConnection();
            conn.setDoInput(true);
            conn.setDoOutput(false);
            conn.setRequestMethod("GET");

            byte[] buf = new byte[8192];

            ByteArrayOutputStream baos = new ByteArrayOutputStream();

            InputStream in = conn.getInputStream();

            while (true) {
                int len = in.read(buf);

                if (len < 0) {
                    break;
                }

                if (urlfetchSize.get() + baos.size()
                        + len > (long) stack.getAttribute(WarpScriptStack.ATTRIBUTE_URLFETCH_MAXSIZE)) {
                    throw new WarpScriptException(getName()
                            + " would exceed maximum size of content which can be retrieved via URLFETCH ("
                            + stack.getAttribute(WarpScriptStack.ATTRIBUTE_URLFETCH_MAXSIZE) + " bytes)");
                }

                baos.write(buf, 0, len);
            }

            urlfetchSize.addAndGet(baos.size());

            List<Object> res = new ArrayList<Object>();

            res.add(conn.getResponseCode());
            Map<String, List<String>> hdrs = conn.getHeaderFields();

            if (hdrs.containsKey(null)) {
                List<String> statusMsg = hdrs.get(null);
                if (statusMsg.size() > 0) {
                    res.add(statusMsg.get(0));
                } else {
                    res.add("");
                }
            } else {
                res.add("");
            }
            hdrs.remove(null);
            res.add(hdrs);
            res.add(Base64.encodeBase64String(baos.toByteArray()));

            results.add(res);
        } catch (IOException ioe) {
            throw new WarpScriptException(getName() + " encountered an error while fetching '" + url + "'");
        } finally {
            if (null != conn) {
                conn.disconnect();
            }
        }
    }

    stack.push(results);

    return stack;
}

---

From source file:TimestreamsTests.java

/**
 * Performs HTTP post for a given URL//w ww .j  ava  2 s . c o  m
 * 
 * @param url
 *            is the URL to get
 * @param params
 *            is a URL encoded string in the form x=y&a=b...
 * @return a String with the contents of the get
 */
private Map<String, List<String>> doPost(URL url, String params) {
    HttpURLConnection connection;
    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        connection.setRequestProperty("Content-Length", "" + Integer.toString(params.getBytes().length));

        connection.setDoInput(true);
        connection.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(params);
        wr.flush();
        wr.close();
        Map<String, List<String>> responseHeaderFields = connection.getHeaderFields();
        System.out.println(responseHeaderFields);
        if (responseHeaderFields.get(null).get(0).equals("HTTP/1.1 200 OK")) {
            InputStream is = connection.getInputStream();
            BufferedReader rd = new BufferedReader(new InputStreamReader(is));
            String line;
            StringBuffer response = new StringBuffer();
            while ((line = rd.readLine()) != null) {
                response.append(line);
                response.append('\r');
            }
            rd.close();
            System.out.println(response);
        }
        return responseHeaderFields;
    } catch (IOException e1) {
        fail("Post " + url + " failed: " + e1.getLocalizedMessage());
    }

    return null;
}

---

From source file:org.deviceconnect.android.deviceplugin.irkit.IRKitManager.java

/**
 * ??IP???IRKit???./*  w  ww. j  a v  a  2  s.  c om*/
 * 
 * @param ip IP
 * @param callback ?
 */
public void checkIfTargetIsIRKit(final String ip, final CheckingIRKitCallback callback) {
    new Thread(new Runnable() {

        @Override
        public void run() {

            boolean isIRKit = false;
            HttpURLConnection req = null;
            try {
                req = createGetRequest(ip, "/messages");
                executeRequest(req);
                Map<String, List<String>> headers = req.getHeaderFields();
                for (String h : headers.keySet()) {
                    if (h == null) {
                        continue;
                    }
                    if (h.equals("Server")) {
                        for (String v : headers.get(h)) {
                            if (v.contains(TAG)) {
                                isIRKit = true;
                                break;
                            }
                        }
                        if (isIRKit) {
                            break;
                        }
                    }
                }
            } catch (IOException e) {
                if (BuildConfig.DEBUG) {
                    Log.e(TAG, "disconnect:" + isIRKit, e);

                }
            } finally {
                if (req != null) {
                    req.disconnect();
                }
            }

            callback.onChecked(isIRKit);
        }
    }).start();
}

---

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