io.rocketbase.commons.serializer.AssetPreviewsSerializer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of commons-asset-api Show documentation

The newest version!

package io.rocketbase.commons.serializer;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import io.rocketbase.commons.dto.asset.AssetPreviews;
import io.rocketbase.commons.dto.asset.PreviewSize;
import io.rocketbase.commons.dto.asset.ResponsiveImage;
import io.rocketbase.commons.util.Nulls;

import java.io.IOException;
import java.util.Map;

public class AssetPreviewsSerializer extends JsonSerializer {

    @Override
    public void serialize(AssetPreviews value, JsonGenerator jsonGenerator, SerializerProvider serializers) throws IOException {
        jsonGenerator.writeStartObject();
        for (Map.Entry entry : value.getPreviewMap()
                .entrySet()) {
            jsonGenerator.writeStringField(entry.getKey()
                    .name()
                    .toLowerCase(), entry.getValue());
        }

        ResponsiveImage responsive = value.getResponsive();
        if (responsive != null && Nulls.anyNoneNullValue(responsive.getSizes(), responsive.getSrcset(), responsive.getSrc())) {
            jsonGenerator.writeObjectFieldStart("responsive");
            if (responsive.getSizes() != null) {
                jsonGenerator.writeStringField("sizes", responsive.getSizes());
            }
            if (responsive.getSrcset() != null) {
                jsonGenerator.writeStringField("srcset", responsive.getSrcset());
            }
            if (responsive.getSrc() != null) {
                jsonGenerator.writeStringField("src", responsive.getSrc());
            }
            jsonGenerator.writeEndObject();
        }

        jsonGenerator.writeEndObject();
    }
}