????*/

????public void setReadTimeout(int timeout) {

????Validate.isTrue(timeout >= 0?? "Timeout must be a non-negative value");

????getHttpClient().getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT?? timeout);

????}

????/**

????* Create a Commons HttpMethodBase object for the given HTTP method and URI

????* specification.

????*

????* @param httpMethod the HTTP method

????* @param uri the URI

????* @return the Commons HttpMethodBase object

????*/

????protected HttpUriRequest createHttpUriRequest(HttpMethod httpMethod?? URI uri) {

????switch (httpMethod) {

????case GET:

????return new HttpGet(uri);

????case DELETE:

????return new HttpDelete(uri);

????case HEAD:

????return new HttpHead(uri);

????case OPTIONS:

????return new HttpOptions(uri);

????case POST:

????return new HttpPost(uri);

????case PUT:

????return new HttpPut(uri);

????case TRACE:

????return new HttpTrace(uri);

????default:

????throw new IllegalArgumentException("Invalid HTTP method: " + httpMethod);

????}

????}

????/**

????* Execute the given method on the provided URI.

????*

????* @param method the HTTP method to execute (GET?? POST?? etc.)

????* @param url the fully-expanded URL to connect to

????* @param responseHandler httpClient will automatically take care of

????* ensuring release of the connection back to the connection

????* manager regardless whether the request execution succeeds or

????* causes an exception??if using this response handler

????* @return an response object's string representation

????* @throws IOException

????* @throws ClientProtocolException

????*/

????public String doExecuteRequest(HttpMethod httpMethod?? URI uri??

????ResponseHandler responseHandler)

????throws ClientProtocolException?? IOException {

????return httpClient.execute(createHttpUriRequest(httpMethod?? uri)?? responseHandler);

????}

????public InputStream doExecuteRequest(HttpMethod httpMethod?? URI uri)

????throws ClientProtocolException?? IOException {

????//1.

????HttpUriRequest httpUriRequest = createHttpUriRequest(httpMethod?? uri);

????//2.

????HttpResponse response = httpClient.execute(httpUriRequest);

????//3.

????validateResponse(response);

????//4.

????return getResponseBody(response);

????}

????/**

????* Validate the given response?? throwing an exception if it does not

????* correspond to a successful HTTP response.

????*

????* Default implementation rejects any HTTP status code beyond 2xx?? to avoid

????* parsing the response body and trying to deserialize from a corrupted

????* stream.

????*

????* @param config the HTTP invoker configuration that specifies the target

????* service

????* @param response the resulting HttpResponse to validate

????* @throws NoHttpResponseException

????* @throws java.io.IOException if validation failed

????*/

????protected void validateResponse(HttpResponse response) throws IOException {

????StatusLine status = response.getStatusLine();

????if (status.getStatusCode() >= 300) {

????throw new NoHttpResponseException(

????"Did not receive successful HTTP response: status code = "

????+ status.getStatusCode() + "?? status message = ["

????+ status.getReasonPhrase() + "]");

????}

????}

????/**

????* Extract the response body

????*

????* The default implementation simply fetches the response body stream. If

????* the response is recognized as GZIP response?? the InputStream will get

????* wrapped in a GZIPInputStream.

????*

????* @param httpResponse the resulting HttpResponse to read the response body

????* from

????* @return an InputStream for the response body

????* @throws java.io.IOException if thrown by I/O methods

????* @see #isGzipResponse

????* @see java.util.zip.GZIPInputStream

????*/

????protected InputStream getResponseBody(HttpResponse httpResponse) throws IOException {

????if (isGzipResponse(httpResponse)) {

????return new GZIPInputStream(httpResponse.getEntity().getContent());

????} else {

????return httpResponse.getEntity().getContent();

????}