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| package cn.idea360.httpclient;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicHeader;
import org.apache.http.util.EntityUtils;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
import java.util.function.Consumer;
import static org.apache.http.HttpStatus.SC_OK;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class ApacheHttpClientUnitTest {
private final Logger log = LoggerFactory.getLogger(this.getClass());
public static final String DUMMY_URL = "https://postman-echo.com/get";
public static final int clientTotal = 5000;
public static final int threadTotal = 200;
@FunctionalInterface
public interface RequestBuilder {
void execute(int concurrency, int clientTotal);
}
private RequestBuilder testFunction() {
return (concurrency, clientTotal) -> {
log.info("test function: {}, {}", concurrency, clientTotal);
};
}
public Consumer<String> testConsumer() {
return url -> log.info("url: {}", url);
}
void executeConcurrentRequest(int concurrency, int clientTotal, Consumer<String> request) throws Exception {
long start = System.currentTimeMillis();
ExecutorService executorService = Executors.newCachedThreadPool();
final Semaphore semaphore = new Semaphore(threadTotal);
final CountDownLatch countDownLatch = new CountDownLatch(clientTotal);
for (int i = 0; i < clientTotal ; i++) {
executorService.execute(() -> {
try {
semaphore.acquire();
request.accept(DUMMY_URL);
semaphore.release();
} catch (Exception e) {
log.error("exception", e);
}
countDownLatch.countDown();
});
}
countDownLatch.await();
executorService.shutdown();
log.info("time consuming: {}ms", System.currentTimeMillis()-start);
}
@Test
void simpleTest() throws Exception {
executeConcurrentRequest(1, 1, testCompleteConsumerAndCloseResponse());
}
public Consumer<String> whenUseApacheHttpClient_thenCorrect() {
return url -> {
HttpGet request = new HttpGet(url);
try (CloseableHttpClient client = HttpClients.createDefault(); CloseableHttpResponse response = client.execute(request)) {
HttpEntity entity = response.getEntity();
assertEquals(SC_OK, response.getStatusLine().getStatusCode());
String body = EntityUtils.toString(entity);
log.debug("Response -> {}", body);
} catch (Exception e) {
e.printStackTrace();
}
};
}
CloseableHttpClient buildCustomConnectionPool() {
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(5 * 1000)
.setConnectionRequestTimeout(5 * 1000)
.setSocketTimeout(5 * 1000)
.build();
PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
return HttpClients.custom()
.setConnectionManager(connectionManager)
.setDefaultRequestConfig(requestConfig)
.build();
}
void setRequestConfigAndGetRequest() {
CloseableHttpClient httpClient = HttpClients.createDefault();
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(5 * 1000)
.setConnectionRequestTimeout(5 * 1000)
.setSocketTimeout(5 * 1000)
.build();
HttpGet httpGet = new HttpGet(DUMMY_URL);
httpGet.setConfig(requestConfig);
httpGet.setHeader(new BasicHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"));
httpGet.setHeader(new BasicHeader("Accept", "text/plain;charset=utf-8"));
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpGet);
if (response.getStatusLine().getStatusCode() == SC_OK) {
HttpEntity entity = response.getEntity();
String result = EntityUtils.toString(entity, "utf-8");
System.out.println(result);
}
} catch (Exception e) {
System.out.print("http GET 请求异常" + e);
} finally {
try {
if (response != null) {
response.close();
}
} catch (IOException e) {
System.out.print("关闭流异常" + e);
}
try {
httpClient.close();
} catch (IOException e) {
System.out.print("关闭HttpClient异常" + e);
}
}
}
Consumer<String> testUnCompleteConsumerAndNoCloseResponse() {
return url -> {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
httpGet.setHeader(new BasicHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"));
httpGet.setHeader(new BasicHeader("Accept", "text/plain;charset=utf-8"));
for (int i = 0; i < 3; i++) {
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpGet);
} catch (Exception e) {
System.out.print("http GET 请求异常" + e);
}
}
};
}
Consumer<String> testCompleteConsumerAndNoCloseResponse() {
return url -> {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
httpGet.setHeader(new BasicHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"));
httpGet.setHeader(new BasicHeader("Accept", "text/plain;charset=utf-8"));
for (int i = 0; i < 3; i++) {
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpGet);
if (response.getStatusLine().getStatusCode() == SC_OK) {
HttpEntity entity = response.getEntity();
String result = EntityUtils.toString(entity, "utf-8");
System.out.println(result);
}
} catch (Exception e) {
System.out.print("http GET 请求异常" + e);
}
}
};
}
Consumer<String> testCompleteConsumerAndCloseResponse() {
return url -> {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
httpGet.setHeader(new BasicHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"));
httpGet.setHeader(new BasicHeader("Accept", "text/plain;charset=utf-8"));
for (int i = 0; i < 3; i++) {
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpGet);
if (response.getStatusLine().getStatusCode() == SC_OK) {
HttpEntity entity = response.getEntity();
String result = EntityUtils.toString(entity, "utf-8");
System.out.println(result);
}
} catch (Exception e) {
System.out.print("http GET 请求异常" + e);
} finally {
try {
if (response != null) {
response.close();
}
} catch (IOException e) {
System.out.print("关闭流异常" + e);
}
}
}
};
}
}
|
