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

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:com.googlecode.webutilities.servlets.WebProxyServlet.java

private HttpUriRequest getRequest(String method, String url) {
    if (HttpPost.METHOD_NAME.equals(method)) {
        return new HttpPost(url);
    } else if (HttpPut.METHOD_NAME.equals(method)) {
        return new HttpPut(url);
    } else if (HttpDelete.METHOD_NAME.equals(method)) {
        return new HttpDelete(url);
    } else if (HttpOptions.METHOD_NAME.equals(method)) {
        return new HttpOptions(url);
    } else if (HttpHead.METHOD_NAME.equals(method)) {
        return new HttpHead(url);
    }/*from   ww w  .  j  a  va  2  s .  com*/
    return new HttpGet(url);
}

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From source file:com.ksc.http.apache.request.impl.ApacheHttpRequestFactory.java

private HttpRequestBase createApacheRequest(Request<?> request, String uri, String encodedParams)
        throws FakeIOException {
    switch (request.getHttpMethod()) {
    case HEAD://from   ww  w.  j  a va 2s  .co m
        return new HttpHead(uri);
    case GET:
        return new HttpGet(uri);
    case DELETE:
        return new HttpDelete(uri);
    case PATCH:
        return wrapEntity(request, new HttpPatch(uri), encodedParams);
    case POST:
        return wrapEntity(request, new HttpPost(uri), encodedParams);
    case PUT:
        return wrapEntity(request, new HttpPut(uri), encodedParams);
    default:
        throw new KscClientException("Unknown HTTP method name: " + request.getHttpMethod());
    }
}

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From source file:com.iflytek.android.framework.volley.toolbox.HttpClientStack.java

/**
 * Creates the appropriate subclass of HttpUriRequest for passed in request.
 *//*from   ww w  . j a  v a2s . c  o  m*/
@SuppressWarnings("deprecation")
/* protected */ static HttpUriRequest createHttpRequest(Request<?> request,
        Map<String, String> additionalHeaders) throws AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST: {
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            HttpPost postRequest = new HttpPost(request.getUrl());
            postRequest.addHeader(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            HttpEntity entity;
            entity = new ByteArrayEntity(postBody);
            postRequest.setEntity(entity);
            return postRequest;
        } else {
            return new HttpGet(request.getUrl());
        }
    }
    case Method.GET:
        return new HttpGet(request.getUrl());
    case Method.DELETE:
        return new HttpDelete(request.getUrl());
    case Method.POST: {
        HttpPost postRequest = new HttpPost(request.getUrl());
        VolleyLog.d("1:" + request.getBodyContentType());
        postRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(postRequest, request);
        return postRequest;
    }
    case Method.PUT: {
        HttpPut putRequest = new HttpPut(request.getUrl());
        putRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(putRequest, request);
        return putRequest;
    }
    case Method.HEAD:
        return new HttpHead(request.getUrl());
    case Method.OPTIONS:
        return new HttpOptions(request.getUrl());
    case Method.TRACE:
        return new HttpTrace(request.getUrl());
    case Method.PATCH: {
        HttpPatch patchRequest = new HttpPatch(request.getUrl());
        patchRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(patchRequest, request);
        return patchRequest;
    }
    default:
        throw new IllegalStateException("Unknown request method.");
    }
}

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From source file:com.semagia.cassa.client.AbstractClient.java

/**
 * Returns if the provided graph URI returns a HTTP 200 - Ok status.
 * /*w  w w.j  a va  2  s . com*/
 * @param graphURI The graph URI.
 * @return {@code true} if the graph URI exists, otherwise {@code false}.
 * @throws IOException In case of an error.
 */
protected boolean existsGraph(final URI graphURI) throws IOException {
    final HttpHead head = new HttpHead(graphURI);
    return getStatusCode(head) == 200;
}

---

From source file:com.google.dataconnector.client.fetchrequest.HttpFetchStrategy.java

/**
 * Based on the inbound request type header, determine the correct http
 * method to use.  If a method cannot be determined (or not specified),
 * HTTP GET is attempted./*from  w  w w  .ja v a 2  s  .c om*/
 */
HttpRequestBase getMethod(FetchRequest request) {
    String method = null;
    for (MessageHeader h : request.getHeadersList()) {
        if ("x-sdc-http-method".equalsIgnoreCase(h.getKey())) {
            method = h.getValue().toUpperCase();
        }
    }

    LOG.info(request.getId() + ": method=" + method + ", resource=" + request.getResource()
            + ((request.hasContents()) ? ", payload_size=" + request.getContents().size() : ""));

    if (method == null) {
        LOG.info(request.getId() + ": No http method specified. Default to GET.");
        method = "GET";
    }

    if ("GET".equals(method)) {
        return new HttpGet(request.getResource());
    }
    if ("POST".equals(method)) {
        HttpPost httpPost = new HttpPost(request.getResource());
        if (request.hasContents()) {
            LOG.debug(request.getId() + ": Content = " + new String(request.getContents().toByteArray()));
            httpPost.setEntity(new ByteArrayEntity(request.getContents().toByteArray()));
        }
        return httpPost;
    }
    if ("PUT".equals(method)) {
        HttpPut httpPut = new HttpPut(request.getResource());
        if (request.hasContents()) {
            LOG.debug(request.getId() + ": Content = " + new String(request.getContents().toByteArray()));
            httpPut.setEntity(new ByteArrayEntity(request.getContents().toByteArray()));
        }
        return httpPut;
    }
    if ("DELETE".equals(method)) {
        return new HttpDelete(request.getResource());
    }
    if ("HEAD".equals(method)) {
        return new HttpHead(request.getResource());
    }
    LOG.info(request.getId() + ": Unknown method " + method);
    return null;
}

---

From source file:com.github.snowdream.android.widget.NotFoundWebView.java

/**
 * Check the status code//from  w w  w .  ja  v a2s. c o m
 * 
 * @param url
 * @return status code
 */
private int getRespStatus(String url) {
    int status = -1;
    try {
        HttpHead head = new HttpHead(url);
        HttpClient client = new DefaultHttpClient();
        HttpResponse resp = client.execute(head);
        status = resp.getStatusLine().getStatusCode();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return status;
}

---

From source file:com.volley.toolbox.HttpClientStack.java

/**
 * httprequest?httprequest?httpurlrequest
 * Creates the appropriate subclass of HttpUriRequest for passed in request.
 *//* w w  w.ja  va  2 s  .  c  om*/
@SuppressWarnings("deprecation")
/* protected */ static HttpUriRequest createHttpRequest(Request<?> request,
        Map<String, String> additionalHeaders) throws AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST: {
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            HttpPost postRequest = new HttpPost(request.getUrl());
            postRequest.addHeader(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            HttpEntity entity;
            entity = new ByteArrayEntity(postBody);
            postRequest.setEntity(entity);
            return postRequest;
        } else {
            return new HttpGet(request.getUrl());
        }
    }
    case Method.GET:
        return new HttpGet(request.getUrl());
    case Method.DELETE:
        return new HttpDelete(request.getUrl());
    case Method.POST: {
        HttpPost postRequest = new HttpPost(request.getUrl());
        postRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        // body? -?
        setEntityIfNonEmptyBody(postRequest, request);
        return postRequest;
    }
    case Method.PUT: {
        HttpPut putRequest = new HttpPut(request.getUrl());
        putRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(putRequest, request);
        return putRequest;
    }
    case Method.HEAD:
        return new HttpHead(request.getUrl());
    case Method.OPTIONS:
        return new HttpOptions(request.getUrl());
    case Method.TRACE:
        return new HttpTrace(request.getUrl());
    case Method.PATCH: {
        HttpPatch patchRequest = new HttpPatch(request.getUrl());
        patchRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(patchRequest, request);
        return patchRequest;
    }
    default:
        throw new IllegalStateException("Unknown request method.");
    }
}

---

From source file:com.androidex.volley.toolbox.HttpClientStack.java

/**
 * Creates the appropriate subclass of HttpUriRequest for passed in request.
 *//*  www . j a  va 2s.co m*/
@SuppressWarnings("deprecation")
/* protected */static HttpUriRequest createHttpRequest(Request<?> request,
        Map<String, String> additionalHeaders) throws AuthFailureError, IOException {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST: {
        // This is the deprecated way that needs to be handled for backwards
        // compatibility.
        // If the request's post body is null, then the assumption is that
        // the request is
        // GET. Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            HttpPost postRequest = new HttpPost(request.getUrl());
            postRequest.addHeader(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            HttpEntity entity;
            entity = new ByteArrayEntity(postBody);
            postRequest.setEntity(entity);
            return postRequest;
        } else {
            return new HttpGet(request.getUrl());
        }
    }
    case Method.GET:
        return new HttpGet(request.getUrl());
    case Method.DELETE:
        return new HttpDelete(request.getUrl());
    case Method.POST: {
        HttpPost postRequest = new HttpPost(request.getUrl());
        setEntityIfNonEmptyBody(postRequest, request);
        return postRequest;
    }
    case Method.PUT: {
        HttpPut putRequest = new HttpPut(request.getUrl());
        putRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(putRequest, request);
        return putRequest;
    }
    case Method.HEAD:
        return new HttpHead(request.getUrl());
    case Method.OPTIONS:
        return new HttpOptions(request.getUrl());
    case Method.TRACE:
        return new HttpTrace(request.getUrl());
    case Method.PATCH: {
        HttpPatch patchRequest = new HttpPatch(request.getUrl());
        setEntityIfNonEmptyBody(patchRequest, request);
        return patchRequest;
    }
    default:
        throw new IllegalStateException("Unknown request method.");
    }
}

---

From source file:com.mobillium.paparasdk.sdk.sampleapp.webservice.PaparaHttpClientStack.java

/**
 * Creates the appropriate subclass of HttpUriRequest for passed in request.
 *///from   www.  j ava  2s.  c  om
@SuppressWarnings("deprecation")
/* protected */ static HttpUriRequest createHttpRequest(Request<?> request,
        Map<String, String> additionalHeaders) throws AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST: {
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            HttpPost postRequest = new HttpPost(request.getUrl());
            postRequest.addHeader(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            HttpEntity entity;
            entity = new ByteArrayEntity(postBody);
            postRequest.setEntity(entity);
            return postRequest;
        } else {
            return new HttpGet(request.getUrl());
        }
    }
    case Method.GET:
        return new HttpGet(request.getUrl());
    case Method.DELETE:
        OwnHttpDelete deleteRequest = new OwnHttpDelete(request.getUrl());
        deleteRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(deleteRequest, request);
        return deleteRequest;
    case Method.POST: {
        HttpPost postRequest = new HttpPost(request.getUrl());
        postRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(postRequest, request);
        return postRequest;
    }
    case Method.PUT: {
        OwnHttpPut deletepOwnHttpPut = new OwnHttpPut(request.getUrl());
        deletepOwnHttpPut.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(deletepOwnHttpPut, request);
        //                HttpPut putRequest = new HttpPut(request.getUrl());
        //                putRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        //                setEntityIfNonEmptyBody(putRequest, request);
        return deletepOwnHttpPut;
    }
    case Method.HEAD:
        return new HttpHead(request.getUrl());
    case Method.OPTIONS:
        return new HttpOptions(request.getUrl());
    case Method.TRACE:
        return new HttpTrace(request.getUrl());
    case Method.PATCH: {
        HttpPatch patchRequest = new HttpPatch(request.getUrl());
        patchRequest.addHeader(HEADER_CONTENT_TYPE, request.getBodyContentType());
        setEntityIfNonEmptyBody(patchRequest, request);
        return patchRequest;
    }
    default:
        throw new IllegalStateException("Unknown request method.");
    }
}

---

From source file:org.opensaml.util.http.HttpResource.java

/** {@inheritDoc} */
public boolean exists() throws ResourceException {
    HttpUriRequest httpRequest = new HttpHead(resourceUrl);

    try {//from ww  w .java2 s. c  o m
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        httpRequest.abort();

        if (statusCode == HttpStatus.SC_METHOD_NOT_ALLOWED) {
            log.debug(resourceUrl + " does not support HEAD requests, falling back to GET request");
            httpRequest = buildGetRequest();
            httpResponse = httpClient.execute(httpRequest);
            statusCode = httpResponse.getStatusLine().getStatusCode();
            httpRequest.abort();
        }

        if (statusCode != HttpStatus.SC_OK) {
            return false;
        }

        final String etag = getETag(httpResponse);
        final String lastModified = getLastModified(httpResponse);
        if ((etag != null && !ObjectSupport.equals(etag, cachedResourceETag))
                || (lastModified != null && !ObjectSupport.equals(lastModified, cachedResourceLastModified))) {
            expireCache();
        }

        return true;
    } catch (IOException e) {
        throw new ResourceException("Error contacting resource " + resourceUrl, e);
    } finally {
        httpRequest.abort();
    }
}

---

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