// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 common.opt;

import java.util.Arrays;

public class StringArrayOption extends Option {
    public String value[] = null;

    @Override
    public int parse(int position, String[] args) {
        if (position + 1 >= args.length)
            throw new NoArgumentForOptionException("Cannot find required argument for option \"" + args[position] + "\".");

        // Append value to end of array of values
        if (value == null) {
            value = new String[] {args[position + 1]};
        } else {
            value = Arrays.copyOf(value, value.length + 1);
            value[value.length - 1] = args[position + 1];
        }
        return super.parse(position, args) + 1;
    }
}
