/**
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.webbeans.environment.se.example.simple;

import org.jboss.webbeans.environment.se.bindings.Parameters;
import org.jboss.webbeans.environment.se.exception.CleanShutdownException;

import java.util.List;

import javax.context.ApplicationScoped;
import javax.inject.Produces;

/**
 * Responsible for receiving the command line arguments, sanity checking and
 * making the "firstName" available for injection.
 * @author Peter Royle
 */
@ApplicationScoped
public class FirstNameFactory
{
    @Produces
    public String getFirstName( @Parameters
    List<String> params )
    {
        if ( params.size(  ) != 1 )
        {
            throw new CleanShutdownException( "Please supply just one parameter: your first name" );
        } else
        {
            return params.get( 0 );
        }
    }
}
