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feat: add getEventData helper #2

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Merged
merged 1 commit into from
Nov 3, 2025
Merged

feat: add getEventData helper #2

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22 changes: 21 additions & 1 deletion src/main/java/com/flowingcode/vaadin/jsonmigration/JsonMigration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,12 @@
*/
package com.flowingcode.vaadin.jsonmigration;

import java.lang.reflect.Method;
import com.vaadin.flow.dom.DomEvent;
import com.vaadin.flow.dom.Element;
import com.vaadin.flow.server.Version;
import elemental.json.JsonObject;
import elemental.json.JsonValue;
import java.lang.reflect.Method;
import lombok.SneakyThrows;

/**
Expand Down Expand Up @@ -89,6 +91,13 @@ private static Method lookup_setPropertyJson() {
}
}

private static Method DomEvent_getEventData = lookup_getEventData();

@SneakyThrows
private static Method lookup_getEventData() {
return DomEvent.class.getMethod("getEventData");
}

/**
* Sets a JSON-valued property on a given {@code Element}, transparently handling
* version-specific method signatures.
Expand All @@ -105,4 +114,15 @@ public static void setPropertyJson(Element element, String name, JsonValue json)
invoke(Element_setPropertyJson, element, name, json);
}

/**
* Gets additional data related to the event.
*
* @param event the {@code DomEvent} from which to retrieve the data
* @return a JSON object containing event data, never <code>null</code>
* @see DomEvent#getEventData()
*/
public static JsonObject getEventData(DomEvent event) {
return (JsonObject) convertToJsonValue(invoke(DomEvent_getEventData, event));
}

}