本文為英文版的機器翻譯版本,如內容有任何歧義或不一致之處,概以英文版為準。
檢測傳出的 HTTP 呼叫
使用者工廠類別會顯示應用程式如何使用 Java 版本的 X-Ray SDK HTTPClientBuilder
來檢測傳出的 HTTP 呼叫。
範例 src/main/java/scorekeep/UserFactory.java
— 客戶端儀器
import com.amazonaws.xray.proxies.apache.http.HttpClientBuilder;
public String randomName() throws IOException {
CloseableHttpClient httpclient = HttpClientBuilder.create().build();
HttpGet httpGet = new HttpGet("http://uinames.com/api/");
CloseableHttpResponse response = httpclient.execute(httpGet);
try {
HttpEntity entity = response.getEntity();
InputStream inputStream = entity.getContent();
ObjectMapper mapper = new ObjectMapper();
Map<String, String> jsonMap = mapper.readValue(inputStream, Map.class);
String name = jsonMap.get("name");
EntityUtils.consume(entity);
return name;
} finally {
response.close();
}
}
若您目前使用 org.apache.http.impl.client.HttpClientBuilder
,您可以直接使用一個用於 com.amazonaws.xray.proxies.apache.http.HttpClientBuilder
的項目將該類別的匯入陳述式切換出去。