org.biins.objectbuilder.builder.AbstractCompositeBuilder Maven / Gradle / Ivy

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package org.biins.objectbuilder.builder;

import org.apache.commons.lang.Validate;
import org.biins.objectbuilder.types.Types;
import org.biins.objectbuilder.util.ClassUtils;

import java.util.Arrays;

/**
 * @author Martin Janys
 */
@SuppressWarnings("unchecked")
public abstract class AbstractCompositeBuilder extends AbstractBuilder {

    private ObjectBuilder objectBuilder;

    public AbstractCompositeBuilder(ObjectBuilder objectBuilder) {
        this.objectBuilder = objectBuilder;
    }

    protected Object createCompositeObject(Types types) {
        Class type = types.getType();
         if (ClassUtils.isArray(type)) {
             return objectBuilder.onArray().buildArray(type);
        }
        if (ClassUtils.isCollection(type)) {
            return objectBuilder.onCollection().buildCollection(type);
        }
        else {
            return objectBuilder.build(type);
        }
    }

    protected Object createCompositeObject(Types types, int ... size) {
        Class type = types.getType();
        if (ClassUtils.isArray(type)) {
            return objectBuilder.onArray().buildArray(type, size);
        }
        if (ClassUtils.isCollection(type)) {
            return objectBuilder.onCollection().buildCollection(type, types.next(), size);
        }
        else {
            return objectBuilder.build(type);
        }
    }

    protected int[] decreaseDimension(int[] size) {
        return size.length > 1 ? Arrays.copyOfRange(size, 1, size.length) : new int[]{0};
    }

}