001/*
002 * Copyright 2013 Atteo.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.atteo.moonshine;
017
018import com.beust.jcommander.JCommander;
019
020/**
021 * Command line parameters processor.
022 *
023 * <p>
024 * Moonshine parses the parameters using {@link JCommander}.
025 * Use {@link Moonshine.Builder#addParameterProcessor(ParameterProcessor)} to register parameter processor.
026 * The provided object will be added to the list of parameter processors with {@link JCommander#addObject(Object)}.
027 * </p>
028 */
029public interface ParameterProcessor {
030    /**
031     * Checks the parameters and optionally reconfigures {@link Moonshine}.
032     */
033    void configure(Moonshine.RestrictedBuilder builder);
034}