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[JAVA-15469] (#12979)

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Co-authored-by: panagiotiskakos <panagiotis.kakos@libra-is.com>
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panos-kakos 2022-11-06 17:13:51 +00:00 committed by GitHub
parent fefc0d88e0
commit 2495e6f101
2 changed files with 5 additions and 2 deletions
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3
persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/persistjson/Customer.java
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@ -9,6 +9,7 @@ import javax.persistence.Id;
import javax.persistence.Table; import javax.persistence.Table;
import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectMapper;
@Entity @Entity
@ -74,7 +75,7 @@ public class Customer {
} }
public void deserializeCustomerAttributes() throws IOException { public void deserializeCustomerAttributes() throws IOException {
this.customerAttributes = objectMapper.readValue(customerAttributeJSON, Map.class); this.customerAttributes = objectMapper.readValue(customerAttributeJSON, new TypeReference<Map<String, Object>>() {});
} }
} }

4
persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/persistjson/HashMapConverter.java
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@ -1,6 +1,7 @@
package com.baeldung.hibernate.persistjson; package com.baeldung.hibernate.persistjson;
import java.io.IOException; import java.io.IOException;
import java.util.HashMap;
import java.util.Map; import java.util.Map;
import javax.persistence.AttributeConverter; import javax.persistence.AttributeConverter;
@ -10,6 +11,7 @@ import org.slf4j.LoggerFactory;
import com.baeldung.hibernate.interceptors.CustomInterceptor; import com.baeldung.hibernate.interceptors.CustomInterceptor;
import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectMapper;
public class HashMapConverter implements AttributeConverter<Map<String, Object>, String> { public class HashMapConverter implements AttributeConverter<Map<String, Object>, String> {
@ -36,7 +38,7 @@ public class HashMapConverter implements AttributeConverter<Map<String, Object>,
Map<String, Object> customerInfo = null; Map<String, Object> customerInfo = null;
try { try {
customerInfo = objectMapper.readValue(customerInfoJSON, Map.class); customerInfo = objectMapper.readValue(customerInfoJSON, new TypeReference<HashMap<String, Object>>() {});
} catch (final IOException e) { } catch (final IOException e) {
logger.error("JSON reading error", e); logger.error("JSON reading error", e);
} }