Example usage for java.net URLConnection getHeaderFields

Introduction

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

Prototype

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

Source Link

Document

Returns an unmodifiable Map of the header fields.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.google.com/index.html");
    URLConnection connection = url.openConnection();

    Map responseMap = connection.getHeaderFields();
    for (Iterator iterator = responseMap.keySet().iterator(); iterator.hasNext();) {
        String key = (String) iterator.next();
        System.out.println(key + " = ");

        List values = (List) responseMap.get(key);
        for (int i = 0; i < values.size(); i++) {
            Object o = values.get(i);
            System.out.println(o + ", ");
        }//  ww w .  j a  va 2 s.  co m
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    String s;//  ww  w  .j ava2 s .c om
    s = "http://www.y.com/authTest";
    URL url = new URL(s);

    URLConnection urlc = url.openConnection();

    Map<String, List<String>> hf = urlc.getHeaderFields();
    for (String key : hf.keySet())
        System.out.println(key + ": " + urlc.getHeaderField(key));

    System.out.println(((HttpURLConnection) urlc).getResponseCode());
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/");
    URLConnection urlConnection = url.openConnection();
    Map<String, List<String>> headers = urlConnection.getHeaderFields();
    Set<Map.Entry<String, List<String>>> entrySet = headers.entrySet();
    for (Map.Entry<String, List<String>> entry : entrySet) {
        String headerName = entry.getKey();
        System.out.println("Header Name:" + headerName);
        List<String> headerValues = entry.getValue();
        for (String value : headerValues) {
            System.out.print("Header value:" + value);
        }//from  w w w  .  java2s. c o m
        System.out.println();
    }
}

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From source file:MainClass.java

public static void main(String[] args) {
    try {/* www  .  ja v  a 2 s .  co m*/

        URL url = new URL("http://www.java2s.com/");
        URLConnection urlConnection = url.openConnection();
        Map<String, List<String>> headers = urlConnection.getHeaderFields();
        Set<Map.Entry<String, List<String>>> entrySet = headers.entrySet();
        for (Map.Entry<String, List<String>> entry : entrySet) {
            String headerName = entry.getKey();
            System.out.println("Header Name:" + headerName);
            List<String> headerValues = entry.getValue();
            for (String value : headerValues) {
                System.out.print("Header value:" + value);
            }
            System.out.println();
            System.out.println();
        }
        InputStream inputStream = urlConnection.getInputStream();
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
        String line = bufferedReader.readLine();
        while (line != null) {
            System.out.println(line);
            line = bufferedReader.readLine();
        }
        bufferedReader.close();
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:URLConnectionTest.java

public static void main(String[] args) {
    try {/*from  ww  w .  j  ava  2s .co  m*/
        String urlName;
        if (args.length > 0)
            urlName = args[0];
        else
            urlName = "http://java.sun.com";

        URL url = new URL(urlName);
        URLConnection connection = url.openConnection();

        // set username, password if specified on command line

        if (args.length > 2) {
            String username = args[1];
            String password = args[2];
            String input = username + ":" + password;
            String encoding = base64Encode(input);
            connection.setRequestProperty("Authorization", "Basic " + encoding);
        }

        connection.connect();

        // print header fields

        Map<String, List<String>> headers = connection.getHeaderFields();
        for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
            String key = entry.getKey();
            for (String value : entry.getValue())
                System.out.println(key + ": " + value);
        }

        // print convenience functions

        System.out.println("----------");
        System.out.println("getContentType: " + connection.getContentType());
        System.out.println("getContentLength: " + connection.getContentLength());
        System.out.println("getContentEncoding: " + connection.getContentEncoding());
        System.out.println("getDate: " + connection.getDate());
        System.out.println("getExpiration: " + connection.getExpiration());
        System.out.println("getLastModifed: " + connection.getLastModified());
        System.out.println("----------");

        Scanner in = new Scanner(connection.getInputStream());

        // print first ten lines of contents

        for (int n = 1; in.hasNextLine() && n <= 10; n++)
            System.out.println(in.nextLine());
        if (in.hasNextLine())
            System.out.println(". . .");
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:Main.java

public static void printRequestHeaders(URLConnection connection) {
    Map headers = connection.getHeaderFields();
    System.out.println(headers);//ww w . jav a2 s  .c  om
}

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From source file:com.ettoremastrogiacomo.sktradingjava.starters.Temp.java

public static void testCookies() throws Exception {
    URL url = new URL("http://www.repubblica.it");
    URLConnection conn = url.openConnection();
    //conn.setRequestProperty("Cookie", "name1=value1; name2=value2");
    conn.connect();//w w w  . ja  v  a  2  s .co  m
    Map<String, List<String>> map = conn.getHeaderFields();
    map.keySet().forEach((s) -> {
        LOG.debug(s + "\t" + map.get(s));
    });

}

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From source file:com.moviejukebox.themoviedb.tools.WebBrowser.java

private static void readHeader(URLConnection cnx) {
    // read new cookies and update our cookies
    for (Map.Entry<String, List<String>> header : cnx.getHeaderFields().entrySet()) {
        if ("Set-Cookie".equals(header.getKey())) {
            for (String cookieHeader : header.getValue()) {
                String[] cookieElements = cookieHeader.split(" *; *");
                if (cookieElements.length >= 1) {
                    String[] firstElem = cookieElements[0].split(" *= *");
                    String cookieName = firstElem[0];
                    String cookieValue = firstElem.length > 1 ? firstElem[1] : null;
                    String cookieDomain = null;
                    // find cookie domain
                    for (int i = 1; i < cookieElements.length; i++) {
                        String[] cookieElement = cookieElements[i].split(" *= *");
                        if ("domain".equals(cookieElement[0])) {
                            cookieDomain = cookieElement.length > 1 ? cookieElement[1] : null;
                            break;
                        }/*w  w  w  . ja va  2s.c  o m*/
                    }
                    if (cookieDomain == null) {
                        // if domain isn't set take current host
                        cookieDomain = cnx.getURL().getHost();
                    }
                    Map<String, String> domainCookies = cookies.get(cookieDomain);
                    if (domainCookies == null) {
                        domainCookies = new HashMap<String, String>();
                        cookies.put(cookieDomain, domainCookies);
                    }
                    // add or replace cookie
                    domainCookies.put(cookieName, cookieValue);
                }
            }
        }
    }
}

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From source file:imageLines.ImageHelpers.java

public static String getCookie(String urlString) throws MalformedURLException, IOException {
    URL url = new URL(urlString);
    URLConnection conn = url.openConnection();
    conn.connect();//from w  w  w . jav a2s .  c  om
    Map<String, List<String>> headers = conn.getHeaderFields();
    List<String> values = headers.get("Set-Cookie");

    String cookieValue = null;
    for (Iterator iter = values.iterator(); iter.hasNext();) {
        String v = iter.next().toString();
        return v;
    }
    return "";
}

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From source file:org.n52.wps.test.AllTestsIT.java

public static void checkContentDispositionOfRetrieveResultServlet(String response, String filename,
        String suffix) throws IOException, ParserConfigurationException, SAXException {

    String refResult = AllTestsIT.getAsyncDoc(response);

    ExecuteResponseDocument document = null;

    try {/*from   ww  w. j a v a2s . co  m*/
        document = ExecuteResponseDocument.Factory.parse(refResult);
    } catch (Exception e) {
        System.err.println("Could not parse execute response document.");
    }

    assertThat(document, not(nullValue()));

    ProcessOutputs outputs = document.getExecuteResponse().getProcessOutputs();

    assertThat(outputs, not(nullValue()));
    assertThat(outputs.sizeOfOutputArray(), not(0));

    OutputDataType outputDataType = document.getExecuteResponse().getProcessOutputs().getOutputArray(0);

    assertThat(outputDataType, not(nullValue()));

    OutputReferenceType data = outputDataType.getReference();

    assertThat(data, not(nullValue()));

    String url = data.getHref();

    if (filename != null) {
        //concat filename to URL
        url = url.concat("&filename=" + filename);
    }

    URLConnection urlConnection = new URL(url).openConnection();

    List<String> headerFields = urlConnection.getHeaderFields().get("Content-Disposition");

    boolean oneHeaderFieldContainsFilename = false;

    for (String field : headerFields) {
        if (field.contains("filename")) {
            oneHeaderFieldContainsFilename = true;
            if (suffix != null && !suffix.equals("")) {
                assertTrue(field.endsWith(suffix + "\""));
            }
            if (filename != null && !filename.equals("")) {
                assertTrue(field.contains(filename));
            }
        }
    }
    assertTrue(oneHeaderFieldContainsFilename);
}

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