CommandLineParser.java

/**
 * Copyright 2015-2016 Red Hat, Inc, and 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.wildfly.swarm.cli;

import javax.enterprise.inject.Vetoed;

/**
 * @author Bob McWhirter
 */
@Vetoed
class CommandLineParser {

    private final Options options;

    private CommandLineParser(Options options) {
        this.options = options;
    }

    private CommandLine parseInternal(String... args) throws Exception {
        ParseState state = new ParseState(args);
        CommandLine commandLine = new CommandLine(this.options);

        while (state.la() != null) {
            this.options.parse(state, commandLine);
        }
        return commandLine;
    }

    static CommandLine parse(Options options, String... args) throws Exception {
        CommandLineParser parser = new CommandLineParser(options);
        return parser.parseInternal(args);
    }
}