Package com.clickhouse.client.api.internal

Class HttpAPIClientHelper

java.lang.Object

com.clickhouse.client.api.internal.HttpAPIClientHelper

public class HttpAPIClientHelper
extends Object

Constructor Summary

Constructors

Constructor	Description
HttpAPIClientHelper(Map<String,String> configuration)

Method Summary

Modifier and Type	Method	Description
org.apache.hc.client5.http.impl.classic.CloseableHttpClient	createHttpClient()
SSLContext	createSSLContext()	Creates or returns default SSL context.
org.apache.hc.core5.http.ClassicHttpResponse	executeRequest(ClickHouseNode server, Map<String,Object> requestConfig, org.apache.hc.core5.io.IOCallback<OutputStream> writeCallback)
static int	getHeaderInt(org.apache.hc.core5.http.Header header, int defaultValue)
static String	getHeaderVal(org.apache.hc.core5.http.Header header, String defaultValue)
static <T> T	getHeaderVal(org.apache.hc.core5.http.Header header, T defaultValue, Function<String,T> converter)
Exception	readError(org.apache.hc.core5.http.ClassicHttpResponse httpResponse)	Reads status line and if error tries to parse response body to get server error message.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

HttpAPIClientHelper

public HttpAPIClientHelper(Map<String,String> configuration)

Method Details

createSSLContext

public SSLContext createSSLContext()

Creates or returns default SSL context.

Returns:

SSLContext

createHttpClient

public org.apache.hc.client5.http.impl.classic.CloseableHttpClient createHttpClient()

readError

public Exception readError(org.apache.hc.core5.http.ClassicHttpResponse httpResponse)

Reads status line and if error tries to parse response body to get server error message.

Parameters:

httpResponse - - HTTP response

Returns:

executeRequest

public org.apache.hc.core5.http.ClassicHttpResponse executeRequest(ClickHouseNode server,
 Map<String,Object> requestConfig,
 org.apache.hc.core5.io.IOCallback<OutputStream> writeCallback)
                                                            throws IOException

Throws:

IOException

getHeaderInt

public static int getHeaderInt(org.apache.hc.core5.http.Header header,
 int defaultValue)

getHeaderVal

public static String getHeaderVal(org.apache.hc.core5.http.Header header,
 String defaultValue)

getHeaderVal

public static <T> T getHeaderVal(org.apache.hc.core5.http.Header header,
 T defaultValue,
 Function<String,T> converter)