FailIfNotFoundVariantResolver.java

package fr.sii.ogham.template.common.adapter;

import fr.sii.ogham.core.message.capability.HasVariant;
import fr.sii.ogham.core.message.content.TemplateContent;
import fr.sii.ogham.core.message.content.Variant;
import fr.sii.ogham.core.resource.path.ResourcePath;
import fr.sii.ogham.template.exception.VariantResolutionException;

public class FailIfNotFoundVariantResolver implements VariantResolver {

    @Override
    public ResourcePath getRealPath(TemplateContent template) throws VariantResolutionException {
        if (!(template instanceof HasVariant)) {
            return template.getPath();
        }
        Variant variant = ((HasVariant) template).getVariant();
        throw new VariantResolutionException("Failed to resolve variant (" + variant + ") for template "+template.getPath().getOriginalPath(), template.getPath(), template.getContext(), variant);
    }

    /**
     * Returns true to make it fail
     */
    @Override
    public boolean variantExists(TemplateContent template) {
        return true;
    }

}