br.com.anteros.jsondoc.springmvc.scanner.builder.SpringVerbBuilder Maven / Gradle / Ivy

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The support for Spring MVC of the jsondoc project.

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package br.com.anteros.jsondoc.springmvc.scanner.builder;

import java.lang.reflect.Method;
import java.util.LinkedHashSet;
import java.util.Set;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import br.com.anteros.jsondoc.core.pojo.ApiVerb;

public class SpringVerbBuilder {

	/**
	 * From Spring's documentation: When [RequestMapping method is] used at the type level, all method-level mappings inherit this HTTP method restriction 
	 * @param method
	 * @param controller
	 * @return
	 */
	public static Set buildVerb(Method method) {
		Set apiVerbs = new LinkedHashSet();
		Class controller = method.getDeclaringClass();
		
		if(controller.isAnnotationPresent(RequestMapping.class)) {
			RequestMapping requestMapping = controller.getAnnotation(RequestMapping.class);
			getApiVerbFromRequestMapping(apiVerbs, requestMapping);
		}
		
		if(method.isAnnotationPresent(RequestMapping.class)) {
			RequestMapping requestMapping = method.getAnnotation(RequestMapping.class);
			getApiVerbFromRequestMapping(apiVerbs, requestMapping);
		}
		
		if(apiVerbs.isEmpty()) {
			apiVerbs.add(ApiVerb.GET);
		}
		
		return apiVerbs;
	}

	private static void getApiVerbFromRequestMapping(Set apiVerbs, RequestMapping requestMapping) {
		if(requestMapping.method().length > 0) {
			for (RequestMethod requestMethod : requestMapping.method()) {
				apiVerbs.add(ApiVerb.valueOf(requestMethod.name()));
			}
		}
	}

}