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/*
 * Copyright 2016 the original author or authors.
 *
 * 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
 * limitations under the License.
 */

package capital.scalable.restdocs.jackson;

import static capital.scalable.restdocs.OperationAttributeHelper.initRequestPattern;
import static capital.scalable.restdocs.OperationAttributeHelper.setConstraintReader;
import static capital.scalable.restdocs.OperationAttributeHelper.setHandlerMethod;
import static capital.scalable.restdocs.OperationAttributeHelper.setJavadocReader;
import static capital.scalable.restdocs.OperationAttributeHelper.setObjectMapper;

import capital.scalable.restdocs.constraints.ConstraintReaderImpl;
import capital.scalable.restdocs.javadoc.JavadocReaderImpl;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.ResultHandler;
import org.springframework.web.method.HandlerMethod;

public abstract class JacksonResultHandlers {

    public static ResultHandler prepareJackson(ObjectMapper objectMapper) {
        return new JacksonPreparingResultHandler(objectMapper);
    }

    private static class JacksonPreparingResultHandler implements ResultHandler {

        private final ObjectMapper objectMapper;

        public JacksonPreparingResultHandler(ObjectMapper objectMapper) {
            this.objectMapper = objectMapper;
        }

        @Override
        public void handle(MvcResult result) throws Exception {
            setHandlerMethod(result.getRequest(), (HandlerMethod) result.getHandler());
            setObjectMapper(result.getRequest(), objectMapper);
            initRequestPattern(result.getRequest());
            setJavadocReader(result.getRequest(), new JavadocReaderImpl());
            setConstraintReader(result.getRequest(), new ConstraintReaderImpl());
        }
    }
}