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Annotations-based syntax for GraphQL schema definition

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/**
 * Copyright 2016 Yurii Rashkovskii
 *
 * Licensed 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
 */
package graphql.annotations.processor.retrievers.fieldBuilders;

import graphql.annotations.annotationTypes.GraphQLDescription;

import java.lang.reflect.AccessibleObject;

public class DescriptionBuilder implements Builder {
    private AccessibleObject object;

    public DescriptionBuilder(AccessibleObject method) {
        this.object = method;
    }

    @Override
    public String build() {
        GraphQLDescription description = object.getAnnotation(GraphQLDescription.class);
        return description==null? null : description.value();
    }
}