/*
 * 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 com.screamingcoder.plebeians.example.simple;

import com.screamingcoder.plebeians.bindings.Parameters;
import com.screamingcoder.plebeians.exception.CleanShutdownException;
import java.util.List;
import javax.webbeans.ApplicationScoped;
import javax.webbeans.Produces;

/**
 * Responsible for receiving the command line arguments, sanity checking and
 * making the "firstName" available for injection.
 * @author pete (at screamingcoder.com)
 */
@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);
        }
    }

}
