SetBuilder.java

package com.flextrade.jfixture.builders;

import com.flextrade.jfixture.NoSpecimen;
import com.flextrade.jfixture.SpecimenBuilder;
import com.flextrade.jfixture.SpecimenContext;
import com.flextrade.jfixture.utility.SpecimenType;

import java.util.HashSet;
import java.util.Set;

class SetBuilder implements SpecimenBuilder {

    @Override
    public Object create(Object request, SpecimenContext context) {
        if (!(request instanceof SpecimenType)) {
            return new NoSpecimen();
        }

        SpecimenType specimenType = (SpecimenType) request;
        Class requestClass = specimenType.getRawType();
        if (!Set.class.isAssignableFrom(requestClass)) {
            return new NoSpecimen();
        }

        if (!requestClass.isInterface()) {
            return new NoSpecimen();
        }

        return new HashSet();
    }
}