Example usage for java.net HttpURLConnection getHeaderField

List of usage examples for java.net HttpURLConnection getHeaderField

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. HttpURLConnection
  6. getHeaderField

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.DerivedAndMixedTypeTestITCase.java

@Test
public void queryESMixPrimWithLambdaDerived_JsonFull_Olingo1122() throws Exception {
    URL url = new URL(SERVICE_URI + "ESMixPrimCollComp?$filter=CollPropertyComp/any"
            + "(f:f/olingo.odata.test1.CTBase/AdditionalPropString%20eq%20%27ADD%20TEST%27)");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT, "application/json;odata.metadata=full");
    connection.connect();//  w  w  w  . ja v  a2 s  . co m

    assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode());
    assertEquals(ContentType.JSON_FULL_METADATA,
            ContentType.create(connection.getHeaderField(HttpHeader.CONTENT_TYPE)));

    final String content = IOUtils.toString(connection.getInputStream());
    final String actualContent = "\"value\":[{\"@odata.type\":\"#olingo.odata.test1.ETMixPrimCollComp\","
            + "\"@odata.id\":\"ESMixPrimCollComp(32767)\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":32767,"
            + "\"CollPropertyString@odata.type\":\"#Collection(String)\","
            + "\"CollPropertyString\":[\"Employee1@company.example\",\"Employee2@company.example\","
            + "\"Employee3@company.example\"],"
            + "\"PropertyComp\":{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":111,"
            + "\"PropertyString\":\"TEST A\","
            + "\"NavPropertyETTwoKeyNavOne@odata.navigationLink\":\"ESTwoKeyNav(PropertyInt16=1,PropertyString='1')\"},"
            + "\"CollPropertyComp@odata.type\":\"#Collection(olingo.odata.test1.CTTwoPrim)\","
            + "\"CollPropertyComp\":[{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":123,"
            + "\"PropertyString\":\"TEST 1\","
            + "\"NavPropertyETTwoKeyNavOne@odata.navigationLink\":\"ESTwoKeyNav(PropertyInt16=1,PropertyString='2')\"},"
            + "{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":456,"
            + "\"PropertyString\":\"TEST 2\","
            + "\"NavPropertyETTwoKeyNavOne@odata.navigationLink\":\"ESTwoKeyNav(PropertyInt16=1,PropertyString='2')\"},"
            + "{\"@odata.type\":\"#olingo.odata.test1.CTBase\",\"PropertyInt16@odata.type\":\"#Int16\","
            + "\"PropertyInt16\":789,\"PropertyString\":\"TEST 3\"," + "\"AdditionalPropString\":\"ADD TEST\","
            + "\"NavPropertyETTwoKeyNavOne@odata.navigationLink\":\"ESTwoKeyNav(PropertyInt16=1,PropertyString='2')\"}],"
            + "\"#olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\":"
            + "{\"title\":\"olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\","
            + "\"target\":\"ESMixPrimCollComp(32767)/olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\"}},"
            + "{\"@odata.type\":\"#olingo.odata.test1.ETMixPrimCollComp\","
            + "\"@odata.id\":\"ESMixPrimCollComp(7)\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":7,"
            + "\"CollPropertyString@odata.type\":\"#Collection(String)\","
            + "\"CollPropertyString\":[\"Employee1@company.example\",\"Employee2@company.example\","
            + "\"Employee3@company.example\"],"
            + "\"PropertyComp\":{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\","
            + "\"PropertyInt16\":222,\"PropertyString\":\"TEST B\"},"
            + "\"CollPropertyComp@odata.type\":\"#Collection(olingo.odata.test1.CTTwoPrim)\","
            + "\"CollPropertyComp\":[{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":123,"
            + "\"PropertyString\":\"TEST 1\"},{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":456,\"PropertyString\":\"TEST 2\"},"
            + "{\"@odata.type\":\"#olingo.odata.test1.CTBase\",\"PropertyInt16@odata.type\":\"#Int16\","
            + "\"PropertyInt16\":789,\"PropertyString\":\"TEST 3\",\"AdditionalPropString\":\"ADD TEST\"}],"
            + "\"#olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\":"
            + "{\"title\":\"olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\","
            + "\"target\":\"ESMixPrimCollComp(7)/olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\"}},"
            + "{\"@odata.type\":\"#olingo.odata.test1.ETMixPrimCollComp\",\"@odata.id\":\"ESMixPrimCollComp(0)\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":0,"
            + "\"CollPropertyString@odata.type\":\"#Collection(String)\","
            + "\"CollPropertyString\":[\"Employee1@company.example\",\"Employee2@company.example\","
            + "\"Employee3@company.example\"],"
            + "\"PropertyComp\":{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":333,\"PropertyString\":\"TEST C\"},"
            + "\"CollPropertyComp@odata.type\":\"#Collection(olingo.odata.test1.CTTwoPrim)\","
            + "\"CollPropertyComp\":[{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":123,"
            + "\"PropertyString\":\"TEST 1\"},{\"@odata.type\":\"#olingo.odata.test1.CTTwoPrim\","
            + "\"PropertyInt16@odata.type\":\"#Int16\",\"PropertyInt16\":456,\"PropertyString\":\"TEST 2\"},"
            + "{\"@odata.type\":\"#olingo.odata.test1.CTBase\",\"PropertyInt16@odata.type\":\"#Int16\","
            + "\"PropertyInt16\":789,\"PropertyString\":\"TEST 3\",\"AdditionalPropString\":\"ADD TEST\"}],"
            + "\"#olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\":"
            + "{\"title\":\"olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\","
            + "\"target\":\"ESMixPrimCollComp(0)/olingo.odata.test1.BAETMixPrimCollCompRTCTTwoPrim\"}}]";
    assertTrue(content.contains(actualContent));
}

From source file:com.streamsets.datacollector.updatechecker.UpdateChecker.java

@Override
public void run() {
    updateInfo = null;/*from  w w w. j  a v  a  2s .  c o  m*/
    PipelineState ps;
    try {
        ps = runner.getState();
    } catch (PipelineStoreException e) {
        LOG.warn(Utils.format("Cannot get pipeline state: '{}'", e.toString()), e);
        return;
    }
    if (ps.getStatus() == PipelineStatus.RUNNING) {
        if (url != null) {
            Map uploadInfo = getUploadInfo();
            if (uploadInfo != null) {
                HttpURLConnection conn = null;
                try {
                    conn = (HttpURLConnection) url.openConnection();
                    conn.setConnectTimeout(2000);
                    conn.setReadTimeout(2000);
                    conn.setDoOutput(true);
                    conn.setDoInput(true);
                    conn.setRequestProperty("content-type", APPLICATION_JSON_MIME);
                    ObjectMapperFactory.getOneLine().writeValue(conn.getOutputStream(), uploadInfo);
                    if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
                        String responseContentType = conn.getHeaderField("content-type");
                        if (APPLICATION_JSON_MIME.equals(responseContentType)) {
                            updateInfo = ObjectMapperFactory.get().readValue(conn.getInputStream(), Map.class);
                        } else {
                            LOG.trace("Got invalid content-type '{}' from from update-check server",
                                    responseContentType);
                        }
                    } else {
                        LOG.trace("Got '{} : {}' from update-check server", conn.getResponseCode(),
                                conn.getResponseMessage());
                    }
                } catch (Exception ex) {
                    LOG.trace("Could not do an update check: {}", ex.toString(), ex);
                } finally {
                    if (conn != null) {
                        conn.disconnect();
                    }
                }
            }
        }
    }
}

From source file:net.technicpack.launchercore.mirror.MirrorStore.java

public String getETag(String address) {
    String md5 = "";

    try {/*ww w . j  a  v a  2s .  c  om*/
        URL url = getFullUrl(address);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true);
        conn.setDoOutput(false);
        System.setProperty("http.agent",
                "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.162 Safari/535.19");
        conn.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.162 Safari/535.19");
        HttpURLConnection.setFollowRedirects(true);
        conn.setUseCaches(false);
        conn.setInstanceFollowRedirects(true);

        String eTag = conn.getHeaderField("ETag");
        if (eTag != null) {
            eTag = eTag.replaceAll("^\"|\"$", "");
            if (eTag.length() == 32) {
                md5 = eTag;
            }
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return md5;
}

From source file:guru.benson.pinch.Pinch.java

/**
 * Read the content length for the ZIP file.
 *
 * @return The content length in bytes or -1 failed.
 *//*from   w ww  . j  a v a2  s . co  m*/
private int getHttpFileSize() {
    HttpURLConnection conn = null;
    int length = -1;
    try {
        conn = openConnection();
        conn.setRequestMethod(HttpHead.METHOD_NAME);
        conn.connect();

        // handle re-directs
        if (conn.getResponseCode() == HttpURLConnection.HTTP_MOVED_TEMP) {
            if (setUrl(conn.getHeaderField("Location"))) {
                disconnect(conn);
                length = getHttpFileSize();
            }
        } else {
            length = conn.getContentLength();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        disconnect(conn);
    }

    log("Content length is " + length + " bytes");

    return length;
}

From source file:gribbit.util.RequestBuilder.java

/**
 * Make a GET or POST request, handling up to 6 redirects, and return the response. If isBinaryResponse is true,
 * returns a byte[] array, otherwise returns the response as a String.
 *//*from   w ww .  j av  a  2s.c  o  m*/
private static Object makeRequest(String url, String[] keyValuePairs, boolean isGET, boolean isBinaryResponse,
        int redirDepth) {
    if (redirDepth > 6) {
        throw new IllegalArgumentException("Too many redirects");
    }
    HttpURLConnection connection = null;
    try {
        // Add the URL query params if this is a GET request
        String reqURL = isGET ? url + "?" + WebUtils.buildQueryString(keyValuePairs) : url;
        connection = (HttpURLConnection) new URL(reqURL).openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setInstanceFollowRedirects(false);
        connection.setRequestMethod(isGET ? "GET" : "POST");
        connection.setUseCaches(false);
        connection.setRequestProperty("User-Agent",
                "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) "
                        + "Chrome/43.0.2357.125 Safari/537.36");
        if (!isGET) {
            // Send the body if this is a POST request
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            connection.setRequestProperty("charset", "utf-8");
            String params = WebUtils.buildQueryString(keyValuePairs);
            connection.setRequestProperty("Content-Length", Integer.toString(params.length()));
            try (DataOutputStream w = new DataOutputStream(connection.getOutputStream())) {
                w.writeBytes(params);
                w.flush();
            }
        }
        if (connection.getResponseCode() == HttpResponseStatus.FOUND.code()) {
            // Follow a redirect. For safety, the params are not passed on, and the method is forced to GET.
            return makeRequest(connection.getHeaderField("Location"), /* keyValuePairs = */null, /* isGET = */
                    true, isBinaryResponse, redirDepth + 1);
        } else if (connection.getResponseCode() == HttpResponseStatus.OK.code()) {
            // For 200 OK, return the text of the response
            if (isBinaryResponse) {
                ByteArrayOutputStream output = new ByteArrayOutputStream(32768);
                IOUtils.copy(connection.getInputStream(), output);
                return output.toByteArray();
            } else {
                StringWriter writer = new StringWriter(1024);
                IOUtils.copy(connection.getInputStream(), writer, "UTF-8");
                return writer.toString();
            }
        } else {
            throw new IllegalArgumentException(
                    "Got non-OK HTTP response code: " + connection.getResponseCode());
        }
    } catch (Exception e) {
        throw new IllegalArgumentException(
                "Exception during " + (isGET ? "GET" : "POST") + " request: " + e.getMessage(), e);
    } finally {
        if (connection != null) {
            try {
                connection.disconnect();
            } catch (Exception e) {
            }
        }
    }
}

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

@Test
public void formatWithAcceptCharset() throws Exception {
    URL url = new URL(SERVICE_URI + "ESAllPrim?$format=application/json;charset=utf-8");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT_CHARSET, "abc");
    connection.connect();//from  w  w  w . j  a va 2  s . c  o m

    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("minimal", contentType.getParameter("odata.metadata"));
    assertEquals("utf-8", contentType.getParameter("charset"));

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

From source file:org.openrdf.http.server.ProtocolTest.java

/**
 * Checks that a suitable RDF content type is returned when accept header not
 * explicitly set./*from  w  w  w .ja  va 2s . c  o  m*/
 */
@Test
public void testContentTypeForGraphQuery3_GET() throws Exception {
    String query = "DESCRIBE <foo:bar>";
    String location = TestServer.REPOSITORY_URL;
    location += "?query=" + URLEncoder.encode(query, "UTF-8");

    URL url = new URL(location);

    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    conn.connect();

    try {
        int responseCode = conn.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            String contentType = conn.getHeaderField("Content-Type");
            assertNotNull(contentType);

            // snip off optional charset declaration
            int charPos = contentType.indexOf(";");
            if (charPos > -1) {
                contentType = contentType.substring(0, charPos);
            }

            RDFFormat format = Rio.getParserFormatForMIMEType(contentType)
                    .orElseThrow(Rio.unsupportedFormat(contentType));
            assertNotNull(format);
        } else {
            String response = "location " + location + " responded: " + conn.getResponseMessage() + " ("
                    + responseCode + ")";
            fail(response);
            throw new RuntimeException(response);
        }
    } finally {
        conn.disconnect();
    }
}

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

@Test
public void validFormatWithAcceptCharsetHeader() throws Exception {
    URL url = new URL(SERVICE_URI + "ESAllPrim?$format=json");

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(HttpMethod.GET.name());
    connection.setRequestProperty(HttpHeader.ACCEPT_CHARSET, "utf-8;q=0.1");
    connection.connect();//from  ww w  .  ja  va  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(3, contentType.getParameters().size());
    assertEquals("0.1", contentType.getParameter("q"));
    assertEquals("minimal", contentType.getParameter("odata.metadata"));
    assertEquals("utf-8", contentType.getParameter("charset"));

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

From source file:org.wso2.msf4j.internal.router.HttpServerTest.java

@Test
public void testGzipCompressionWithNoGzipAccept() throws Exception {
    HttpURLConnection urlConn = request("/test/v1/gzipfile", HttpMethod.GET);
    Assert.assertEquals(HttpResponseStatus.OK.code(), urlConn.getResponseCode());
    String contentEncoding = urlConn.getHeaderField(HttpHeaders.Names.CONTENT_ENCODING);
    Assert.assertTrue(contentEncoding == null || !contentEncoding.contains("gzip"));
    InputStream downStream = urlConn.getInputStream();
    Assert.assertTrue(IOUtils.toByteArray(downStream).length == IOUtils
            .toByteArray(Resources.getResource("testJpgFile.jpg").openStream()).length);
}

From source file:LNISmokeTest.java

/**
 * Implement WebDAV PUT http request./* ww  w  .  jav  a  2 s  .  c om*/
 * 
 * This might be simpler with a real HTTP client library, but
 * java.net.HttpURLConnection is part of the standard SDK and it
 * demonstrates the concepts.
 * 
 * @param lni the lni
 * @param collHandle the coll handle
 * @param packager the packager
 * @param source the source
 * @param endpoint the endpoint
 * 
 * @throws RemoteException the remote exception
 * @throws ProtocolException the protocol exception
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws FileNotFoundException the file not found exception
 */
private static void doPut(LNISoapServlet lni, String collHandle, String packager, String source,
        String endpoint)
        throws java.rmi.RemoteException, ProtocolException, IOException, FileNotFoundException {
    // assemble URL from chopped endpoint-URL and relative URI
    String collURI = doLookup(lni, collHandle, null);
    URL url = LNIClientUtils.makeDAVURL(endpoint, collURI, packager);
    System.err.println("DEBUG: PUT file=" + source + " to URL=" + url.toString());

    // connect with PUT method, then copy file over.
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("PUT");
    conn.setDoOutput(true);
    fixBasicAuth(url, conn);
    conn.connect();

    InputStream in = null;
    OutputStream out = null;
    try {
        in = new FileInputStream(source);
        out = conn.getOutputStream();
        copyStream(in, out);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                log.error("Unable to close input stream", e);
            }
        }

        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                log.error("Unable to close output stream", e);
            }
        }
    }

    int status = conn.getResponseCode();
    if (status < 200 || status >= 300) {
        die(status, "HTTP error, status=" + String.valueOf(status) + ", message=" + conn.getResponseMessage());
    }

    // diagnostics, and get resulting new item's location if avail.
    System.err.println("DEBUG: sent " + source);
    System.err.println(
            "RESULT: Status=" + String.valueOf(conn.getResponseCode()) + " " + conn.getResponseMessage());
    String loc = conn.getHeaderField("Location");
    System.err.println("RESULT: Location=" + ((loc == null) ? "NULL!" : loc));
}