RestTemplateConfig.java

package com.viontech.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import java.util.ArrayList;
import java.util.List;

@Configuration
public class RestTemplateConfig {

    @Bean
    public RestTemplate restTemplate(ClientHttpRequestFactory simpleClientHttpRequestFactory) {
        RestTemplate restTemplate = new RestTemplate(simpleClientHttpRequestFactory);
        restTemplate.setMessageConverters(getConverts());
        return restTemplate;
    }

    @Bean
    public ClientHttpRequestFactory simpleClientHttpRequestFactory() {
        SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
        factory.setReadTimeout(20000);//ms
        factory.setConnectTimeout(20000);//ms
        return factory;
    }

    private List<HttpMessageConverter<?>> getConverts() {
        List<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
        StringHttpMessageConverter stringConvert = new StringHttpMessageConverter();
        List<MediaType> stringMediaTypes = new ArrayList<MediaType>() {{
            add(MediaType.TEXT_PLAIN);
            add(MediaType.TEXT_HTML);
            add(MediaType.APPLICATION_JSON);
            add(new MediaType("application", "VIID+JSON"));
        }};
        stringConvert.setSupportedMediaTypes(stringMediaTypes);
        messageConverters.add(stringConvert);
        return messageConverters;
    }
}