apache

Processing the HTTP responses using the response handlers is recommended. In this chapter, we are going to discuss how to create response handlers and how to use them to process…

A POST request is used to send data to the server; for example, customer information, file upload, etc., using HTML forms. The HttpClient API provides a class named HttpPost which represents the…

The GET method is used to retrieve information from the given server using a given URI. Requests using GET should only retrieve data and should have no other effect on…

In this chapter, we will explain how to set an environment for HttpClient in Eclipse IDE. Before proceeding with the installation, make sure that you already have Eclipse installed in…

Http client is a transfer library. It resides on the client side, sends and receives Http messages. It provides up to date, feature-rich, and an efficient implementation which meets the…

Create a Maven project to develop Presto custom function. SimpleFunctionsFactory.java Create SimpleFunctionsFactory class to implement FunctionFactory interface. package com.adglob.simple.functions; import com.facebook.presto.metadata.FunctionFactory; import com.facebook.presto.metadata.FunctionListBuilder; import com.facebook.presto.metadata.SqlFunction; import com.facebook.presto.spi.type.TypeManager; import java.util.List; public…

Presto’s JDBC interface is used to access Java application. Prerequisites Install presto-jdbc-0.150.jar You can download the JDBC jar file by visiting the following link, https://repo1.maven.org/maven2/com/facebook/presto/presto-jdbc/0.150/ After the jar file has…

The Kafka Connector for Presto allows to access data from Apache Kafka using Presto. Prerequisites Download and install the latest version of the following Apache projects. Apache ZooKeeperApache Kafka Start…

Java Management Extensions (JMX) gives information about the Java Virtual Machine and software running inside JVM. The JMX connector is used to query JMX information in Presto server. As we…