package com.stylefeng.guns.core.config;
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import com.alibaba.fastjson.serializer.SerializeConfig;
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import com.alibaba.fastjson.serializer.SerializerFeature;
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import com.alibaba.fastjson.serializer.ToStringSerializer;
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import com.alibaba.fastjson.serializer.ValueFilter;
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import com.alibaba.fastjson.support.config.FastJsonConfig;
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import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.http.MediaType;
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import java.math.BigInteger;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* fastjson配置类
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*
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* @author fengshuonan
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* @date 2017-05-23 22:56
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*/
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@Configuration("defaultFastjsonConfig")
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@ConditionalOnClass(com.alibaba.fastjson.JSON.class)
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@ConditionalOnMissingBean(FastJsonHttpMessageConverter.class)
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@ConditionalOnWebApplication
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public class DefaultFastjsonConfig {
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@Bean
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public FastJsonHttpMessageConverter fastJsonHttpMessageConverter() {
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FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
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converter.setFastJsonConfig(fastjsonConfig());
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converter.setSupportedMediaTypes(getSupportedMediaType());
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return converter;
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}
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/**
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* fastjson的配置
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*/
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public FastJsonConfig fastjsonConfig() {
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FastJsonConfig fastJsonConfig = new FastJsonConfig();
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fastJsonConfig.setSerializerFeatures(
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SerializerFeature.PrettyFormat,
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SerializerFeature.WriteMapNullValue,
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SerializerFeature.WriteEnumUsingToString
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);
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fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
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ValueFilter valueFilter = new ValueFilter() {
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public Object process(Object o, String s, Object o1) {
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if (null == o1) {
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o1 = "";
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}
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return o1;
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}
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};
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fastJsonConfig.setCharset(Charset.forName("utf-8"));
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fastJsonConfig.setSerializeFilters(valueFilter);
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//解决Long转json精度丢失的问题
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SerializeConfig serializeConfig = SerializeConfig.globalInstance;
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serializeConfig.put(BigInteger.class, ToStringSerializer.instance);
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serializeConfig.put(Long.class, ToStringSerializer.instance);
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serializeConfig.put(Long.TYPE, ToStringSerializer.instance);
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fastJsonConfig.setSerializeConfig(serializeConfig);
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return fastJsonConfig;
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}
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/**
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* 支持的mediaType类型
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*/
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public List<MediaType> getSupportedMediaType() {
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ArrayList<MediaType> mediaTypes = new ArrayList<>();
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mediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
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return mediaTypes;
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}
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}
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