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fix(serialize-databind): actually implement TypeAdapterRuntimeTypeWrapper
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This commit is contained in:
Johannes Frohnmeyer 2024-04-25 14:21:18 +02:00
parent 451ac11851
commit d29f8876ef
Signed by: Johannes
GPG Key ID: E76429612C2929F4
2 changed files with 54 additions and 4 deletions
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20
commons-serialize-databind/src/main/java/io/gitlab/jfronny/commons/serialize/databind/impl/adapter/TypeAdapterRuntimeTypeWrapper.java
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@ -1,11 +1,14 @@
package io.gitlab.jfronny.commons.serialize.databind.impl.adapter;
import io.gitlab.jfronny.commons.serialize.MalformedDataException;
import io.gitlab.jfronny.commons.serialize.databind.ObjectMapper;
import io.gitlab.jfronny.commons.serialize.databind.api.TypeAdapter;
import io.gitlab.jfronny.commons.serialize.SerializeReader;
import io.gitlab.jfronny.commons.serialize.SerializeWriter;
import io.gitlab.jfronny.commons.serialize.databind.api.TypeToken;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
public class TypeAdapterRuntimeTypeWrapper<T> extends TypeAdapter<T> {
private final ObjectMapper context;
@ -19,12 +22,21 @@ public class TypeAdapterRuntimeTypeWrapper<T> extends TypeAdapter<T> {
}
@Override
public <TEx extends Exception, Writer extends SerializeWriter<TEx, Writer>> void serialize(T value, Writer writer) throws TEx {
public <TEx extends Exception, Writer extends SerializeWriter<TEx, Writer>> void serialize(T value, Writer writer) throws TEx, MalformedDataException {
TypeAdapter<T> chosen = delegate;
Type runtimeType = type;
if (value != null && (runtimeType instanceof Class<?> || runtimeType instanceof TypeVariable<?>)) {
runtimeType = value.getClass();
}
if (runtimeType != type) {
TypeAdapter<T> runtimeTypeAdapter = (TypeAdapter<T>) context.getAdapter(TypeToken.get(runtimeType));
if (runtimeTypeAdapter != null) chosen = runtimeTypeAdapter;
}
chosen.serialize(value, writer);
}
@Override
public <TEx extends Exception, Reader extends SerializeReader<TEx, Reader>> T deserialize(Reader reader) throws TEx {
return null;
public <TEx extends Exception, Reader extends SerializeReader<TEx, Reader>> T deserialize(Reader reader) throws TEx, MalformedDataException {
return delegate.deserialize(reader);
}
}

38
commons-serialize-databind/src/test/java/io/gitlab/jfronny/commons/serialize/databind/test/MapAdapterTest.java Normal file
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@ -0,0 +1,38 @@
package io.gitlab.jfronny.commons.serialize.databind.test;
import io.gitlab.jfronny.commons.serialize.MalformedDataException;
import io.gitlab.jfronny.commons.serialize.databind.ObjectMapper;
import io.gitlab.jfronny.commons.serialize.databind.api.TypeAdapter;
import io.gitlab.jfronny.commons.serialize.databind.api.TypeToken;
import io.gitlab.jfronny.commons.serialize.emulated.DataElement;
import io.gitlab.jfronny.commons.serialize.emulated.EmulatedReader;
import io.gitlab.jfronny.commons.serialize.emulated.EmulatedWriter;
import org.junit.jupiter.api.Test;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class MapAdapterTest {
@Test
public void simpleMapTEst() throws MalformedDataException {
DataElement.Object de = new DataElement.Object();
de.members().put("key", new DataElement.Primitive.String("value"));
de.members().put("key2", new DataElement.Primitive.String("value2"));
de.members().put("key3", new DataElement.Primitive.String("value3"));
ObjectMapper om = new ObjectMapper();
TypeAdapter<Map<String, String>> adapter = om.getAdapter(new TypeToken<>() {});
Map<String, String> map;
try (EmulatedReader er = new EmulatedReader(de)) {
map = adapter.deserialize(er);
}
assertEquals(3, map.size());
assertEquals("value", map.get("key"));
assertEquals("value2", map.get("key2"));
assertEquals("value3", map.get("key3"));
try (EmulatedWriter ew = new EmulatedWriter()) {
adapter.serialize(map, ew);
assertEquals(de, ew.get());
}
}
}