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oharstaoharsta
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Clone non serializable objects in JSON
See vladmihalcea/hypersistence-utils#834
1 parent 422aa85 commit 046bf7a

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Lines changed: 107 additions & 59 deletions

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‎server/dependency.tree‎

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[INFO]
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[INFO] -----------------------< org.openconext:access >------------------------
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[INFO] Building access 0.0.1-SNAPSHOT [1/3]
@@ -39,7 +39,7 @@ Progress (1): 3.7 kBProgress (1): 7.5 kBProgress (1): 13 kB Progress (1): 19
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[INFO] from server/pom.xml
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[INFO] --------------------------------[ jar ]---------------------------------
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[INFO] --- dependency:3.8.1:tree (default-cli) @ access-server ---
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[INFO] org.openconext:access-server:jar:0.0.1-SNAPSHOT
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[INFO] | +- org.springframework:spring-web:jar:6.2.10:compile
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[INFO] | +- software.amazon.awssdk:aws-xml-protocol:jar:2.41.15:compile
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[INFO] | +- software.amazon.awssdk:checksums:jar:2.41.13:compile
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[INFO] | +- software.amazon.awssdk:auth:jar:2.41.15:compile
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[INFO] | +- software.amazon.awssdk:regions:jar:2.41.13:compile
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[INFO] | +- software.amazon.awssdk:aws-core:jar:2.41.13:compile
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[INFO] | +- software.amazon.awssdk:metrics-spi:jar:2.41.13:compile
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[INFO] | +- software.amazon.awssdk:json-utils:jar:2.41.13:compile
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[INFO] | | \- software.amazon.awssdk:third-party-jackson-core:jar:2.41.13:compile
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[INFO] | +- software.amazon.awssdk:endpoints-spi:jar:2.41.13:compile
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[INFO] | +- software.amazon.awssdk:apache-client:jar:2.41.13:runtime
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[INFO] | +- software.amazon.awssdk:utils:jar:2.41.15:compile
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[INFO] | +- software.amazon.awssdk:aws-core:jar:2.41.15:compile
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[INFO] | | \- software.amazon.awssdk:utils-lite:jar:2.41.15:compile
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[INFO] | +- software.amazon.awssdk:metrics-spi:jar:2.41.15:compile
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[INFO] | +- software.amazon.awssdk:json-utils:jar:2.41.15:compile
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[INFO] | | \- software.amazon.awssdk:third-party-jackson-core:jar:2.41.15:compile
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[INFO] | +- software.amazon.awssdk:endpoints-spi:jar:2.41.15:compile
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[INFO] ------------------------------------------------------------------------
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[INFO] Reactor Summary for access 0.0.1-SNAPSHOT:
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[INFO] access ............................................. SUCCESS [ 0.733 s]
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[INFO] access-server ...................................... SUCCESS [ 0.690 s]
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[INFO] client ............................................. SUCCESS [ 0.011 s]
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[INFO] access ............................................. SUCCESS [ 0.747 s]
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[INFO] access-server ...................................... SUCCESS [ 0.673 s]
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[INFO] client ............................................. SUCCESS [ 0.009 s]
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[INFO] Total time: 2.373 s
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[INFO] Finished at: 2026-01-26T10:01:35+01:00
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[INFO] Total time: 2.442 s
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[INFO] Finished at: 2026-02-01T09:44:59+01:00
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[INFO] ------------------------------------------------------------------------

‎server/src/main/java/access/json/CloningJsonSerializer.java‎

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package access.json;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import io.hypersistence.utils.hibernate.type.util.JsonSerializer;
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public class CloningJsonSerializer implements JsonSerializer {
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private final ObjectMapper objectMapper;
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public CloningJsonSerializer(ObjectMapper objectMapper) {
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this.objectMapper = objectMapper;
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}
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@Override
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@SuppressWarnings("unchecked")
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public <T> T clone(T value) {
17+
if (value == null) {
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return null;
19+
}
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if (value instanceof String) {
21+
return value;
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}
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try {
25+
// Serialize to JSON string and deserialize back to clone
26+
String json = objectMapper.writeValueAsString(value);
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return (T) objectMapper.readValue(json, value.getClass());
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} catch (Exception e) {
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throw new IllegalArgumentException("Cannot clone object: " + value.getClass(), e);
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}
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}
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}

‎server/src/main/java/access/json/CloningJsonSerializerSupplier.java‎

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package access.json;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import io.hypersistence.utils.hibernate.type.util.JsonSerializer;
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import io.hypersistence.utils.hibernate.type.util.JsonSerializerSupplier;
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public class CloningJsonSerializerSupplier implements JsonSerializerSupplier {
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private final ObjectMapper objectMapper = new ObjectMapper();
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@Override
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public JsonSerializer get() {
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return new CloningJsonSerializer(objectMapper);
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}
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}

‎server/src/main/resources/hypersistence-utils.properties‎

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hypersistence.utils.json.serializer=access.json.CloningJsonSerializerSupplier

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