Java HttpRequestBase.releaseConnection方法代碼示例

import org.apache.http.client.methods.HttpRequestBase; //導入方法依賴的package包/類
public static Optional<String> getResponseAsString(HttpRequestBase httpRequest, HttpClient client) {
    Optional<String> result = Optional.empty();
    final int waitTime = 60000;
    try {
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(waitTime).setConnectTimeout(waitTime)
                .setConnectionRequestTimeout(waitTime).build();
        httpRequest.setConfig(requestConfig);
        result = Optional.of(client.execute(httpRequest, responseHandler));
    } catch (HttpResponseException httpResponseException) {
        LOG.error("getResponseAsString(): caught 'HttpResponseException' while processing request <{}> :=> <{}>", httpRequest,
                httpResponseException.getMessage());
    } catch (IOException ioe) {
        LOG.error("getResponseAsString(): caught 'IOException' while processing request <{}> :=> <{}>", httpRequest, ioe.getMessage());
    } finally {
        httpRequest.releaseConnection();
    }
    return result;
}
 

import org.apache.http.client.methods.HttpRequestBase; //導入方法依賴的package包/類
private <T> HttpResponse<T> doRequest(HttpRequest request, Class<T> responseClass) {
    HttpRequestBase requestObj = prepareRequest(request, false);
    org.apache.http.HttpResponse response;
    try {

        response = syncClient.execute(requestObj);
        HttpResponse<T> httpResponse = new HttpResponse<>(response, responseClass, objectMapper);
        requestObj.releaseConnection();
        return httpResponse;
    } catch (Exception e) {
        throw new RestClientException(e);
    } finally {
        requestObj.releaseConnection();
    }

}
 

import org.apache.http.client.methods.HttpRequestBase; //導入方法依賴的package包/類
@Override public HttpResponse save (final IlluminatiEsModel entity) {
    final HttpRequestBase httpPutRequest = new HttpPut(entity.getEsUrl(this.esUrl));

    if (entity.isSetUserAuth() == true) {
        try {
            httpPutRequest.setHeader("Authorization", "Basic " + entity.getEsAuthString());
        } catch (Exception ex) {
            this.logger.error("Sorry. something is wrong in encoding es user auth info. ("+ex.toString()+")");
        }
    }

    ((HttpPut) httpPutRequest).setEntity(this.getHttpEntity(entity));

    HttpResponse httpResponse = null;

    try {
        httpResponse = this.httpClient.execute(httpPutRequest);
    } catch (IOException e) {
        this.logger.error("Sorry. something is wrong in Http Request. ("+e.toString()+")");
    } finally {
        httpPutRequest.releaseConnection();
    }

    if (httpResponse == null) {
        httpResponse = getHttpResponseByData(this.errorCode, "Sorry. something is wrong in Http Request.");
    }

    return httpResponse;
}
 

import org.apache.http.client.methods.HttpRequestBase; //導入方法依賴的package包/類
private String res(HttpRequestBase method) {
	HttpClientContext context = HttpClientContext.create();
	CloseableHttpResponse response = null;
	String content = RESPONSE_CONTENT;
	try {
		response = client.execute(method, context);//執行GET/POST請求
		HttpEntity entity = response.getEntity();//獲取響應實體
		if(entity!=null) {
			Charset charset = ContentType.getOrDefault(entity).getCharset();
			content = EntityUtils.toString(entity, charset);
			EntityUtils.consume(entity);
		}
	} catch(ConnectTimeoutException cte) {
		LOG.error("請求連接超時，由於 " + cte.getLocalizedMessage());
		cte.printStackTrace();
	} catch(SocketTimeoutException ste) {
		LOG.error("請求通信超時，由於 " + ste.getLocalizedMessage());
		ste.printStackTrace();
	} catch(ClientProtocolException cpe) {
		LOG.error("協議錯誤（比如構造HttpGet對象時傳入協議不對(將'http'寫成'htp')or響應內容不符合），由於 " + cpe.getLocalizedMessage());
		cpe.printStackTrace();
	} catch(IOException ie) {
		LOG.error("實體轉換異常或者網絡異常， 由於 " + ie.getLocalizedMessage());
		ie.printStackTrace();
	} finally {
		try {
			if(response!=null) {
				response.close();
			}
			
		} catch(IOException e) {
			LOG.error("響應關閉異常， 由於 " + e.getLocalizedMessage());
		}
		
		if(method!=null) {
			method.releaseConnection();
		} 
		
	}
	
	return content;
}
 

import org.apache.http.client.methods.HttpRequestBase; //導入方法依賴的package包/類
private String getResponseContent(String url, HttpRequestBase request) throws Exception {
    HttpResponse response = null;
    try {
        response = this.getHttpClient(2000,2000).execute(request);
        return EntityUtils.toString(response.getEntity());
    } catch (Exception e) {
        throw new Exception("got an error from HTTP for url : " + URLDecoder.decode(url, "UTF-8"),e);
    } finally {
        if(response != null){
            EntityUtils.consumeQuietly(response.getEntity());
        }
        request.releaseConnection();
    }
}