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package org.jtwig.reflection;

import com.google.common.base.Optional;
import org.jtwig.reflection.model.bean.BeanMethod;
import org.jtwig.reflection.resolver.BeanMethodResolver;

class MethodInvokerImpl implements MethodInvoker {
    private final BeanMethodResolver beanMethodResolver;

    public MethodInvokerImpl(BeanMethodResolver beanMethodResolver) {
        this.beanMethodResolver = beanMethodResolver;
    }

    @Override
    public Optional invoke(Request request) {
        for (BeanMethod beanMethod : request.getBeanMethods()) {
            Optional result = beanMethodResolver.resolve(beanMethod, request.getInputParameters());
            if (result.isPresent()) {
                return result;
            }
        }
        return Optional.absent();
    }
}