Example usage for org.apache.http.client.methods HttpHead HttpHead

List of usage examples for org.apache.http.client.methods HttpHead HttpHead

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Introduction

In this page you can find the example usage for org.apache.http.client.methods HttpHead HttpHead.

Prototype

public HttpHead(final String uri)

Source Link

Usage

From source file:cn.edu.zzu.wemall.http.AsyncHttpClient.java

/**
 * Perform a HTTP HEAD request and track the Android Context which initiated
 * the request with customized headers/*from  w  w  w . j  ava2 s. c om*/
 *
 * @param context         Context to execute request against
 * @param url             the URL to send the request to.
 * @param headers         set headers only for this request
 * @param params          additional HEAD parameters to send with the request.
 * @param responseHandler the response handler instance that should handle
 *                        the response.
 */
public RequestHandle head(Context context, String url, Header[] headers, RequestParams params,
        AsyncHttpResponseHandler responseHandler) {
    HttpUriRequest request = new HttpHead(getUrlWithQueryString(isUrlEncodingEnabled, url, params));
    if (headers != null)
        request.setHeaders(headers);
    return sendRequest(httpClient, httpContext, request, null, responseHandler, context);
}

From source file:org.apache.sling.testing.clients.AbstractSlingClient.java

/**
 * <p>Executes a HEAD request</p>
 *
 * <p>Adds the passed parameters and headers and checks the expected status</p>
 *
 * @param requestPath path relative to client url
 * @param parameters optional url parameters to be added
 * @param headers optional headers to be added
 * @param expectedStatus if passed, the response status will have to match one of them
 * @return the response//from www  .  j  av a2s.c om
 * @throws ClientException if the request could not be executed
 */
public SlingHttpResponse doHead(String requestPath, List<NameValuePair> parameters, List<Header> headers,
        int... expectedStatus) throws ClientException {
    HttpUriRequest request = new HttpHead(getUrl(requestPath, parameters));
    return doRequest(request, headers, expectedStatus);
}

From source file:io.fabric8.elasticsearch.ElasticsearchIntegrationTest.java

protected HttpResponse executeHeadRequest(final String request, Header... header) throws Exception {
    return executeRequest(new HttpHead(getHttpServerUri() + "/" + request), header);
}

From source file:com.microsoft.azure.management.resources.DeploymentOperationsImpl.java

/**
* Checks whether deployment exists./*from   w  ww.  j a  va 2  s. c o  m*/
*
* @param resourceGroupName Required. The name of the resource group to
* check. The name is case insensitive.
* @param deploymentName Required. The name of the deployment.
* @throws IOException Signals that an I/O exception of some sort has
* occurred. This class is the general class of exceptions produced by
* failed or interrupted I/O operations.
* @throws ServiceException Thrown if an unexpected response is found.
* @return Deployment information.
*/
@Override
public DeploymentExistsResult checkExistence(String resourceGroupName, String deploymentName)
        throws IOException, ServiceException {
    // Validate
    if (resourceGroupName == null) {
        throw new NullPointerException("resourceGroupName");
    }
    if (resourceGroupName != null && resourceGroupName.length() > 1000) {
        throw new IllegalArgumentException("resourceGroupName");
    }
    if (Pattern.matches("^[-\\w\\._]+$", resourceGroupName) == false) {
        throw new IllegalArgumentException("resourceGroupName");
    }
    if (deploymentName == null) {
        throw new NullPointerException("deploymentName");
    }

    // Tracing
    boolean shouldTrace = CloudTracing.getIsEnabled();
    String invocationId = null;
    if (shouldTrace) {
        invocationId = Long.toString(CloudTracing.getNextInvocationId());
        HashMap<String, Object> tracingParameters = new HashMap<String, Object>();
        tracingParameters.put("resourceGroupName", resourceGroupName);
        tracingParameters.put("deploymentName", deploymentName);
        CloudTracing.enter(invocationId, this, "checkExistenceAsync", tracingParameters);
    }

    // Construct URL
    String url = "";
    url = url + "subscriptions/";
    if (this.getClient().getCredentials().getSubscriptionId() != null) {
        url = url + URLEncoder.encode(this.getClient().getCredentials().getSubscriptionId(), "UTF-8");
    }
    url = url + "/resourcegroups/";
    url = url + URLEncoder.encode(resourceGroupName, "UTF-8");
    url = url + "/deployments/";
    url = url + URLEncoder.encode(deploymentName, "UTF-8");
    ArrayList<String> queryParameters = new ArrayList<String>();
    queryParameters.add("api-version=" + "2014-04-01-preview");
    if (queryParameters.size() > 0) {
        url = url + "?" + CollectionStringBuilder.join(queryParameters, "&");
    }
    String baseUrl = this.getClient().getBaseUri().toString();
    // Trim '/' character from the end of baseUrl and beginning of url.
    if (baseUrl.charAt(baseUrl.length() - 1) == '/') {
        baseUrl = baseUrl.substring(0, (baseUrl.length() - 1) + 0);
    }
    if (url.charAt(0) == '/') {
        url = url.substring(1);
    }
    url = baseUrl + "/" + url;
    url = url.replace(" ", "%20");

    // Create HTTP transport objects
    HttpHead httpRequest = new HttpHead(url);

    // Set Headers
    httpRequest.setHeader("Content-Type", "application/json; charset=utf-8");

    // Send Request
    HttpResponse httpResponse = null;
    try {
        if (shouldTrace) {
            CloudTracing.sendRequest(invocationId, httpRequest);
        }
        httpResponse = this.getClient().getHttpClient().execute(httpRequest);
        if (shouldTrace) {
            CloudTracing.receiveResponse(invocationId, httpResponse);
        }
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode != HttpStatus.SC_NO_CONTENT && statusCode != HttpStatus.SC_NOT_FOUND) {
            ServiceException ex = ServiceException.createFromXml(httpRequest, null, httpResponse,
                    httpResponse.getEntity());
            if (shouldTrace) {
                CloudTracing.error(invocationId, ex);
            }
            throw ex;
        }

        // Create Result
        DeploymentExistsResult result = null;
        // Deserialize Response
        result = new DeploymentExistsResult();
        result.setStatusCode(statusCode);
        if (httpResponse.getHeaders("x-ms-request-id").length > 0) {
            result.setRequestId(httpResponse.getFirstHeader("x-ms-request-id").getValue());
        }
        if (statusCode == HttpStatus.SC_NO_CONTENT) {
            result.setExists(true);
        }

        if (shouldTrace) {
            CloudTracing.exit(invocationId, result);
        }
        return result;
    } finally {
        if (httpResponse != null && httpResponse.getEntity() != null) {
            httpResponse.getEntity().getContent().close();
        }
    }
}

From source file:net.yacy.cora.protocol.http.HTTPClient.java

/**
 * This method gets HEAD response/*from  w ww  . ja va  2s.com*/
 *
 * @param url the url to Response from
 * @return the HttpResponse
 * @throws IOException
 */
public HttpResponse HEADResponse(final MultiProtocolURL url, final boolean concurrent) throws IOException {
    final HttpHead httpHead = new HttpHead(url.toNormalform(true));
    setHost(url.getHost()); // overwrite resolved IP, needed for shared web hosting DO NOT REMOVE, see http://en.wikipedia.org/wiki/Shared_web_hosting_service
    execute(httpHead, concurrent);
    finish();
    ConnectionInfo.removeConnection(httpHead.hashCode());
    return this.httpResponse;
}

From source file:com.iflytek.cssp.SwiftAPI.SwiftClient.java

public SwiftClientResponse HeadObject(String url, String Container, String object_name, String accesskey,
        String secretkey) throws IOException, CSSPException {
    Map<String, String> headers = new LinkedHashMap<String, String>();
    BasicHttpParams httpParameters = new BasicHttpParams();
    HttpConnectionParams.setConnectionTimeout(httpParameters, connectionTimeout);
    HttpClient httpClient = new DefaultHttpClient(httpParameters);
    HttpHead httphead = new HttpHead(url + "/" + encode(Container) + "/" + encode(object_name));

    CSSPSignature signature = new CSSPSignature("HEAD", null, "/" + Container + "/" + object_name, null, null);
    signature.getDate();/*from   w ww.  ja v a2s  .c  o m*/
    String auth = signature.getSinature();
    String signa = signature.HmacSHA1Encrypt(auth, secretkey);

    httphead.addHeader(DATE, signature.Date);
    httphead.addHeader(AUTH, CSSP + accesskey + ":" + signa);
    HttpResponse response = httpClient.execute(httphead);
    Header[] Headers = response.getAllHeaders();
    for (Header Header : Headers) {
        headers.put(Header.getName(), Header.getValue());
    }
    if (isMatch_2XX(response.getStatusLine().getStatusCode()))//2xx 401
    {
        return new SwiftClientResponse(headers, response.getStatusLine().getStatusCode(),
                response.getStatusLine(), null, null);
    } else {
        logger.error(
                "[get metadata for object: error,  StatusCode is ]" + response.getStatusLine().getStatusCode());
        return new ExceptionHandle().ObjectExceptionHandle(response, headers);
    }
}

From source file:org.dasein.cloud.rackspace.AbstractMethod.java

protected @Nullable Map<String, String> head(@Nonnull String authToken, @Nonnull String endpoint,
        @Nonnull String resource) throws CloudException, InternalException {
    Logger std = RackspaceCloud.getLogger(RackspaceCloud.class, "std");
    Logger wire = RackspaceCloud.getLogger(RackspaceCloud.class, "wire");

    if (std.isTraceEnabled()) {
        std.trace("enter - " + AbstractMethod.class.getName() + ".head(" + authToken + "," + endpoint + ","
                + resource + ")");
    }//  www .  j a v a  2s . c  o  m
    if (wire.isDebugEnabled()) {
        wire.debug("--------------------------------------------------------> " + endpoint + resource);
        wire.debug("");
    }
    try {
        HttpClient client = getClient();
        HttpHead head = new HttpHead(endpoint + resource);

        head.addHeader("X-Auth-Token", authToken);

        if (wire.isDebugEnabled()) {
            wire.debug(head.getRequestLine().toString());
            for (Header header : head.getAllHeaders()) {
                wire.debug(header.getName() + ": " + header.getValue());
            }
            wire.debug("");
        }
        HttpResponse response;

        try {
            response = client.execute(head);
            if (wire.isDebugEnabled()) {
                wire.debug(response.getStatusLine().toString());
                for (Header header : response.getAllHeaders()) {
                    wire.debug(header.getName() + ": " + header.getValue());
                }
                wire.debug("");
            }
        } catch (IOException e) {
            std.error("I/O error from server communications: " + e.getMessage());
            e.printStackTrace();
            throw new InternalException(e);
        }
        int code = response.getStatusLine().getStatusCode();

        std.debug("HTTP STATUS: " + code);

        if (code != HttpServletResponse.SC_NO_CONTENT && code != HttpServletResponse.SC_OK) {
            if (code == HttpServletResponse.SC_NOT_FOUND) {
                return null;
            }
            std.error("head(): Expected NO CONTENT or OK for HEAD request, got " + code);
            HttpEntity entity = response.getEntity();
            String json = null;

            if (entity != null) {
                try {
                    json = EntityUtils.toString(entity);

                    if (wire.isDebugEnabled()) {
                        wire.debug(json);
                        wire.debug("");
                    }
                } catch (IOException e) {
                    throw new CloudException(e);
                }
            }
            RackspaceException.ExceptionItems items = (json == null ? null
                    : RackspaceException.parseException(code, json));

            if (items == null) {
                return null;
            }
            std.error("head(): [" + code + " : " + items.message + "] " + items.details);
            throw new RackspaceException(items);
        }
        HashMap<String, String> map = new HashMap<String, String>();

        for (Header h : response.getAllHeaders()) {
            map.put(h.getName().trim(), h.getValue().trim());
        }
        return map;
    } finally {
        if (std.isTraceEnabled()) {
            std.trace("exit - " + AbstractMethod.class.getName() + ".head()");
        }
        if (wire.isDebugEnabled()) {
            wire.debug("");
            wire.debug("--------------------------------------------------------> " + endpoint + resource);
        }
    }
}

From source file:com.enjoy.nerd.http.AsyncHttpClient.java

/**
 * Perform a HTTP HEAD request and track the Android Context which initiated the request.
 *
 * @param context         the Android Context which initiated the request.
 * @param url             the URL to send the request to.
 * @param params          additional HEAD parameters to send with the request.
 * @param responseHandler the response handler instance that should handle the response.
 * @return RequestHandle of future request process
 *///from w  ww.  j av a 2s . c o  m
public RequestHandle head(Context context, String url, RequestParams params,
        ResponseHandlerInterface responseHandler) {
    SyncBasicHttpContext httpContext = new SyncBasicHttpContext(mBasicHttpContext);
    return sendRequest(httpClient, httpContext,
            new HttpHead(getUrlWithQueryString(isUrlEncodingEnabled, url, params)), null, responseHandler,
            context);
}

From source file:com.comcast.cdn.traffic_control.traffic_router.core.external.SteeringTest.java

License:asdf

@Test
public void itUsesNoMultiLocationFormatResponseWithHead() throws Exception {
    final List<String> paths = new ArrayList<String>();
    paths.add("/qwerytuiop/asdfghjkl?fakeClientIpAddress=12.34.56.78");
    paths.add("/qwerytuiop/asdfghjkl?fakeClientIpAddress=12.34.56.78&" + RouterFilter.REDIRECT_QUERY_PARAM
            + "=true");
    paths.add("/qwerytuiop/asdfghjkl?fakeClientIpAddress=12.34.56.78&" + RouterFilter.REDIRECT_QUERY_PARAM
            + "=TRUE");
    paths.add("/qwerytuiop/asdfghjkl?fakeClientIpAddress=12.34.56.78&" + RouterFilter.REDIRECT_QUERY_PARAM
            + "=TruE");
    paths.add("/qwerytuiop/asdfghjkl?fakeClientIpAddress=12.34.56.78&" + RouterFilter.REDIRECT_QUERY_PARAM
            + "=T");

    for (final String path : paths) {
        HttpHead httpHead = new HttpHead("http://localhost:" + routerHttpPort + path);
        httpHead.addHeader("Host", "tr.client-steering-test-1.thecdn.example.com");

        CloseableHttpResponse response = null;

        try {/*ww  w.ja  v  a 2  s .  com*/
            response = httpClient.execute(httpHead);
            String location = ".client-steering-target-2.thecdn.example.com:8090" + path;

            assertThat("Failed getting 302 for request " + httpHead.getFirstHeader("Host").getValue(),
                    response.getStatusLine().getStatusCode(), equalTo(302));
            assertThat(response.getFirstHeader("Location").getValue(), endsWith(location));
            assertThat("Failed getting null body for HEAD request", response.getEntity(), nullValue());
        } finally {
            if (response != null) {
                response.close();
            }
        }
    }
}