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JSON-LD Module for Jackson

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package ioinformarics.oss.jackson.module.jsonld;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.TextNode;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Optional;
import java.util.function.Function;

/**
 * @author Alexander De Leon
 */
public class JsonldGraphBuilder {

    protected String context;
    protected String graphType;
    protected String graphId;
    protected JsonldResourceBuilder resourceBuilder;
    protected Function typeSupplier;

    JsonldGraphBuilder() {
        resourceBuilder = new JsonldResourceBuilder();
    }

    public JsonldGraphBuilder context(String context){
        this.context = context;
        return this;
    }

    public JsonldGraphBuilder type(String type){
        this.graphType = type;
        return this;
    }

    public JsonldGraphBuilder id(String id){
        this.graphId = id;
        return this;
    }

    public JsonldGraphBuilder elementId(Function idSupplier){
        this.resourceBuilder.id(idSupplier);
        return this;
    }

    public JsonldGraphBuilder elementType(Function typeSupplier){
        this.typeSupplier = typeSupplier;
        return this;
    }

    public JsonldResource build(T ... elements) {
        return build(Arrays.asList(elements));
    }

    public JsonldResource build(Iterable elements) {
        return new JsonldGraph(elements, Optional.ofNullable(context).map(c -> TextNode.valueOf(c)).orElse(null), graphType, graphId);

    }

    protected String getType(T e) {
        return typeSupplier.apply(e);
    }



}