src/main/java/com/juick/config/ActivityPubClientConfig.java


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package com.juick.config;

import java.nio.charset.StandardCharsets;

import javax.inject.Inject;

import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.ConversionService;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.juick.model.User;
import com.juick.service.SignatureService;
import com.juick.util.ActivityPubRequestInterceptor;
import com.juick.www.api.activity.model.objects.Actor;

@Configuration
public class ActivityPubClientConfig {
    @Inject
    CloseableHttpClient httpClient;
    @Inject
    ObjectMapper jsonMapper;
    @Inject
    private ActivityPubClientErrorHandler activityPubClientErrorHandler;
    @Inject
    private SignatureService signatureService;
    @Inject
    private ConversionService conversionService;
    @Inject
    private User serviceUser;

    @Bean
    ClientHttpRequestFactory clientHttpRequestFactory() {
        var clientHttpRequestFactory = new HttpComponentsClientHttpRequestFactory();
        clientHttpRequestFactory.setHttpClient(httpClient);
        return clientHttpRequestFactory;
    }

    @Bean
    MappingJackson2HttpMessageConverter mappingJacksonHttpMessageConverter() {
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        converter.setObjectMapper(jsonMapper);
        return converter;
    }

    @Bean
    RestTemplate restClient() {
        RestTemplate restTemplate = new RestTemplate(clientHttpRequestFactory());
        restTemplate.getMessageConverters().add(0, mappingJacksonHttpMessageConverter());
        restTemplate.getMessageConverters().add(0, new StringHttpMessageConverter(StandardCharsets.UTF_8));
        restTemplate.setErrorHandler(activityPubClientErrorHandler);
        restTemplate.getInterceptors().add(new ActivityPubRequestInterceptor());
        return restTemplate;
    }
}