org.emfjson.jackson.databind.ser.EObjectSerializer.java Source code

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Here is the source code for org.emfjson.jackson.databind.ser.EObjectSerializer.java

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/*
 * Copyright (c) 2015 Guillaume Hillairet.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Guillaume Hillairet - initial API and implementation
 *
 */
package org.emfjson.jackson.databind.ser;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import org.eclipse.emf.ecore.EObject;
import org.emfjson.jackson.databind.property.EObjectProperty;
import org.emfjson.jackson.databind.property.EObjectPropertyMap;
import org.emfjson.jackson.utils.EObjects;

import java.io.IOException;

import static org.emfjson.jackson.databind.EMFContext.getParent;

public class EObjectSerializer extends JsonSerializer<EObject> {

    private final JsonSerializer<EObject> _refSer;
    private final EObjectPropertyMap.Builder builder;

    public EObjectSerializer(EObjectPropertyMap.Builder builder, JsonSerializer<EObject> serializer) {
        this.builder = builder;
        this._refSer = serializer;
    }

    @Override
    public Class<EObject> handledType() {
        return EObject.class;
    }

    @Override
    public void serialize(EObject object, JsonGenerator jg, SerializerProvider provider) throws IOException {
        EObjectPropertyMap properties = builder.construct(object.eClass());

        final EObject parent = getParent(provider);
        if (parent != null && (object.eIsProxy() || EObjects.isContainmentProxy(parent, object))) {
            // containment proxies are serialized as references
            _refSer.serialize(object, jg, provider);
            return;
        }

        jg.writeStartObject();
        for (EObjectProperty property : properties.getProperties()) {
            property.serialize(object, jg, provider);
        }
        jg.writeEndObject();
    }

    //   @Override
    //   public JsonSerializer<?> createContextual(SerializerProvider prov, BeanProperty property) throws JsonMappingException {
    //      return this;
    //   }
}