Java GraphQL Client

Interact with GraphQL API via Java. Nothing more, nothing less.

Quickstart

Install

Maven:

<dependency>
  <groupId>com.github.zaibacu</groupId>
  <artifactId>java-graphql-client</artifactId>
  <version>1.2-SNAPSHOT</version>
</dependency>

Usage

Query

public class Example{
    public List<Product> fetchProducts(){
        GraphqlClient client = GraphqlClient
            .builder()
            .withUrl("http://localhost:8000/graphql")
            .build();
        
        List<Products> products = client
            .query("products")
            .withParameter("category", "shoes")
            .withParameter("priceRange", "cheap")
            .execute("products", Product.class);

        return products;
    }
}

Where Product is:

public class Product implements Serializable{
    public String name;
    public double price;
    public String category;
    public String priceRange;
}

Mutation

public class Example {
    public void addProduct(Product product){
        GraphqlClient client = GraphqlClient
                    .builder()
                    .withUrl("http://localhost:8000/graphql")
                    .build();
        client
            .mutate("addProduct")
            .withParameter("name", "test")
            .withParameter("price", 42.0)
            .withParameter("category", "shoes")
            .withParameter("priceRange", "cheap")
            .execute("products");

    }
}