pedrorobsonleao/graphql-client

graphql client for java

Graphql Client

The project is graphql client for java,support custom query and mutation.

The current version only supports post requests

You need java1.8 and maven.

Welcome to my home page:Mount Cloud

Use You Project

maven:

<dependency>
	    <groupId>org.mountcloud</groupId>
	    <artifactId>graphql-client</artifactId>
	    <version>1.1</version>
</dependency>

Insall Project

mvn install

Demo

do query

//crate client
GraphqlClient client = GraphqlClient.buildGraphqlClient("http://localhost:8081/graphql");
//create http headers
Map<String,String> headers = new HashMap<String,String>();
headers.put("token","123");
client.setHttpHeaders(headers);
//create query
GraphqlQuery query = new DefaultGraphqlQuery("findUsers");
//add query or mutation param
query.addParameter("sex","man").addParameter("age",11);
//add query response basics attribute
query.addResultAttributes("id","name","age","sex");
//add query complex attributes
ResultAttributtes classAttributte = new ResultAttributtes("class");
classAttributte.addResultAttributes("name","code");
//attributes can be more complex
ResultAttributtes schoolAttributte = new ResultAttributtes("school");
schoolAttributte.addResultAttributes("name");
//class add school attribute
classAttributte.addResultAttributes(schoolAttributte);
//do query
try {
    GraphqlResponse response = client.doQuery(query);

    //this map is graphql result
    Map data = response.getData();

} catch (IOException e) {
    e.printStackTrace();
}

do mutation

//crate client
GraphqlClient client = GraphqlClient.buildGraphqlClient("http://localhost:8081/graphql");
//create http headers
Map<String,String> headers = new HashMap<String,String>();
headers.put("token","123");
client.setHttpHeaders(headers);
//create mutaion
GraphqlMutation mutation = new DefaultGraphqlMutation("updateUser");
//create param
mutation.addParameter("id",1).addParameter("name","123").addParameter("age",18);
//add more complex attribute to see do query demo
try {
    GraphqlResponse response = client.doMutation(mutation);
    //this map is graphql result
    Map data = response.getData();
} catch (IOException e) {
    e.printStackTrace();
}