JavaVertXWebServer.apiHandler.mustache Maven / Gradle / Ivy

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package {{package}};

{{#imports}}import {{import}};
{{/imports}}

import {{invokerPackage}}.ParameterCast;
import {{invokerPackage}}.ApiException;

import com.fasterxml.jackson.core.type.TypeReference;
import io.vertx.core.json.Json;
import io.vertx.core.Handler;
import io.vertx.core.http.HttpServerResponse;
import io.vertx.ext.web.RoutingContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.reactivex.Single;

import java.util.List;
import java.util.Map;

public class {{classname}}Handler {

    private static final Logger logger = LoggerFactory.getLogger({{classname}}Handler.class);
    private {{classname}} apiImpl = new {{classname}}Impl();

    public {{classname}}Handler(Map> operationHandlers) {
{{#operations}}
{{#operation}}
        operationHandlers.put("{{operationId}}", this::{{operationId}});
{{/operation}}
{{/operations}}
    }
{{#operations}}
{{#operation}}

    private void {{operationId}}(RoutingContext routingContext) {
        logger.info("{{operationId}}()");
        HttpServerResponse response = routingContext.response();

        {{#returnType}}Single{{/returnType}}{{^returnType}}Completable{{/returnType}}.defer( () -> {
{{#allParams}}{{^isBodyParam}}{{>headerParams}}{{>pathParams}}{{>queryParams}}{{>formParams}}{{/isBodyParam}}{{/allParams}}
{{#allParams}}
{{#isBodyParam}}
            String jsonString = routingContext.getBodyAsString();
            {{{dataType}}} {{paramName}} = jsonString == null ? null : Json.decodeValue(jsonString, new TypeReference<{{{dataType}}}>(){});
{{/isBodyParam}}
{{/allParams}}
{{#allParams}}
            logger.info("Parameter {{paramName}} is {}", {{paramName}});
{{/allParams}}
            return apiImpl.{{operationId}}({{#allParams}}{{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
        })
        .subscribe(
            apiResponse -> {
                response.setStatusCode(apiResponse.getStatusCode())
                        .end(Json.encodePrettily(apiResponse.getData()));
            }, error -> {
                if (error instanceof ApiException) {
                    ApiException apiException = (ApiException) error;
                    response.setStatusCode(apiException.getStatusCode()).end(apiException.getMessage());
                } else {
                    response.setStatusCode(500).end(error.getMessage());
                }
            }).dispose();
    }

{{/operation}}
{{/operations}}
}