org.unipop.util.PropertySchemaFactory Maven / Gradle / Ivy

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package org.unipop.util;

import org.unipop.schema.property.*;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

/**
 * Created by sbarzilay on 8/8/16.
 */
public class PropertySchemaFactory {
    public static List builders;

    private PropertySchemaFactory(List providers, List thirdParty) {
        builders = new ArrayList<>();
        builders.add(new StaticPropertySchema.Builder());
        builders.add(new FieldPropertySchema.Builder());
        builders.add(new DateFieldPropertySchema.Builder());
        builders.add(new StaticDatePropertySchema.Builder());
        builders.add(new MultiPropertySchema.Builder());
        builders.add(new ConcatenateFieldPropertySchema.Builder());
        builders.add(new CoalescePropertySchema.Builder());
        builders.addAll(providers);
        builders.addAll(thirdParty);
        Collections.reverse(builders);
    }

    public static PropertySchema createPropertySchema(String key, Object value, AbstractPropertyContainer container) {
        if (value instanceof String){
            if (value.toString().startsWith("$")) {
                Optional reference = container.getPropertySchemas().stream()
                        .filter(schema -> schema.getKey().equals(value.toString().substring(1)))
                        .findFirst();
                 if (reference.isPresent()) return reference.get();
                else throw new IllegalArgumentException("cant find reference to: " + value.toString().substring(1));
            }
        }
        Optional first = builders.stream().map(builder -> builder.build(key, value, container)).filter(schema -> schema != null).findFirst();
        if (first.isPresent()) return first.get();
        else return null;
//        throw new IllegalArgumentException("Unrecognized property: " + key + " - " + value);
    }

    public static PropertySchemaFactory build(List providers, List thirdParty){
        return new PropertySchemaFactory(providers, thirdParty);
    }
}