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Add support for sorting json keys
Add `jsonSortKeys` property to HttpMapperProperties. Fixes gh-498
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@ -21,11 +21,16 @@ import org.springframework.http.converter.HttpMessageConverter;
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/**
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* Configuration properties to configure {@link HttpMessageConverter}s.
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*
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* @author Dave Syer
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* @author Piotr Maj
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*/
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@ConfigurationProperties(name = "http.mappers", ignoreUnknownFields = false)
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public class HttpMapperProperties {
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private boolean jsonPrettyPrint = false;
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private boolean jsonPrettyPrint;
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private boolean jsonSortKeys;
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public void setJsonPrettyPrint(boolean jsonPrettyPrint) {
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this.jsonPrettyPrint = jsonPrettyPrint;
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@ -35,4 +40,12 @@ public class HttpMapperProperties {
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return this.jsonPrettyPrint;
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}
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public void setJsonSortKeys(boolean jsonSortKeys) {
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this.jsonSortKeys = jsonSortKeys;
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}
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public boolean isJsonSortKeys() {
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return this.jsonSortKeys;
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}
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}
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@ -38,12 +38,14 @@ import org.springframework.http.converter.json.MappingJackson2HttpMessageConvert
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import com.fasterxml.jackson.databind.Module;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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/**
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* {@link EnableAutoConfiguration Auto-configuration} for {@link HttpMessageConverter}s.
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*
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* @author Dave Syer
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* @author Christian Dupuis
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* @author Piotr Maj
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*/
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@Configuration
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@ConditionalOnClass(HttpMessageConverter.class)
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@ -87,7 +89,12 @@ public class HttpMessageConvertersAutoConfiguration {
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@ConditionalOnMissingBean
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@Primary
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public ObjectMapper jacksonObjectMapper() {
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return new ObjectMapper();
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ObjectMapper objectMapper = new ObjectMapper();
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if (this.properties.isJsonSortKeys()) {
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objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,
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true);
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}
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return objectMapper;
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}
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@Bean
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@ -64,6 +64,7 @@ server.tomcat.max-threads = 0 # number of threads in protocol handler
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# SPRING MVC (HttpMapperProperties)
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http.mappers.json-pretty-print=false # pretty print JSON
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http.mappers.json-sort-keys=falose # sort keys
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spring.view.prefix= # MVC view prefix
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spring.view.suffix= # ... and suffix
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spring.resources.cache-period= # cache timeouts in headers sent to browser
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