/*
* Copyright 2019 Red Hat, Inc.
*
* Red Hat licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.vertx.ext.web.handler.graphql.schema;
import graphql.schema.DataFetchingEnvironment;
import graphql.schema.PropertyDataFetcher;
import io.vertx.codegen.annotations.GenIgnore;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.json.JsonObject;
import static io.vertx.codegen.annotations.GenIgnore.PERMITTED_TYPE;
Extends PropertyDataFetcher
so that properties can be read from a JsonObject
. Author: Thomas Segismont
/**
* Extends {@link PropertyDataFetcher} so that properties can be read from a {@link JsonObject}.
*
* @author Thomas Segismont
*/
@VertxGen
public interface VertxPropertyDataFetcher {
@GenIgnore(PERMITTED_TYPE)
static PropertyDataFetcher<Object> create(String propertyName) {
return new PropertyDataFetcher<Object>(propertyName) {
@Override
public Object get(DataFetchingEnvironment environment) {
Object source = environment.getSource();
if (source instanceof JsonObject) {
JsonObject jsonObject = (JsonObject) source;
return jsonObject.getValue(getPropertyName());
}
return super.get(environment);
}
};
}
}