//

 //Author       : t.wood

 //Copyright    : (c) Resilient Networks plc 2012 - All Rights Reserved

 //

 package com.lexicalscope.jewel.cli.validation;

 import com.lexicalscope.jewel.cli.ValidationErrorBuilder;

 import com.lexicalscope.jewel.cli.specification.OptionsSpecification;

 import org.hamcrest.Description;

 import org.hamcrest.TypeSafeMatcher;

 public class KnownOptions extends TypeSafeMatcher<RawOption>

 {

    private final OptionsSpecification<?> specification;

    private final ValidationErrorBuilder validationErrorBuilder;

    public KnownOptions(final OptionsSpecification<?> specification, final ValidationErrorBuilder validationErrorBuilder)

    {

       this.specification = specification;

       this.validationErrorBuilder = validationErrorBuilder;

    }

    @Override

    public void describeTo(final Description description)

    {

       description.appendText("option that is part of specification ").appendValue(specification);

    }

    @Override

    protected boolean matchesSafely(final RawOption item)

    {

       if(!specification.isSpecified(item.stringValue())) {

          validationErrorBuilder.unexpectedOption(item.stringValue());

          return false;

       }

       return true;

    }

 }