HttpStatusHandler.java

/*
 * Copyright 2017-2020 original 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
 *
 * https://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.micronaut.http.server.exceptions;

import io.micronaut.http.HttpRequest;
import io.micronaut.http.HttpResponse;
import io.micronaut.http.MutableHttpResponse;
import io.micronaut.http.annotation.Produces;
import io.micronaut.http.exceptions.HttpStatusException;
import io.micronaut.http.server.exceptions.response.ErrorContext;
import io.micronaut.http.server.exceptions.response.ErrorResponseProcessor;
import jakarta.inject.Singleton;

import java.util.Optional;

/**
 * Handles exception of type {@link io.micronaut.http.exceptions.HttpStatusException}.
 *
 * @author Iv��n L��pez
 * @since 1.0
 */
@Singleton
@Produces
public class HttpStatusHandler extends ErrorResponseProcessorExceptionHandler<HttpStatusException> {
    /**
     * Constructor.
     * @param responseProcessor Error Response Processor
     */
    public HttpStatusHandler(ErrorResponseProcessor<?> responseProcessor) {
        super(responseProcessor);
    }

    @Override
    protected MutableHttpResponse<?> createResponse(HttpStatusException exception) {
        return HttpResponse.status(exception.getStatus());
    }

    @Override
    public HttpResponse<?> handle(HttpRequest request, HttpStatusException exception) {
        MutableHttpResponse<?> response = createResponse(exception);
        Optional<Object> body = exception.getBody();
        if (body.isPresent()) {
            return response.body(body.get());
        } else {
            return responseProcessor.processResponse(ErrorContext.builder(request)
                    .cause(exception)
                    .errorMessage(exception.getMessage())
                    .build(), response);
        }
    }
}