gradle-master/subprojects/launcher/src/main/java/org/gradle/launcher/cli/CommandLineActionCreator.java
/*
 * Copyright 2012 the original author or authors.
 *
 * 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.gradle.launcher.cli;

import org.gradle.api.Action;
import org.gradle.cli.CommandLineParser;
import org.gradle.cli.ParsedCommandLine;
import org.gradle.launcher.bootstrap.ExecutionListener;

import javax.annotation.Nullable;

/**
 * A factory for creating {@link Action}s from CLI commands.
 */
public interface CommandLineActionCreator {
    /**
     * Configures the given action creator with a command-line parser.
     */
    void configureCommandLineParser(CommandLineParser parser);

    /**
     * Creates an executable action from the given command-line args.
     *
     * @return {@code null} if this creator does not know how to create an action from the given command-line args
     */
    @Nullable
    Action<? super ExecutionListener> createAction(CommandLineParser parser, ParsedCommandLine commandLine);
}
