ArgumentParserImpl.java

/*
 * Copyright 2006 Tim Wood
 *
 * 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.caudexorigo.cli;

class ArgumentParserImpl implements ArgumentParser
{
	private final String[] arguments;

	public ArgumentParserImpl(final String... arguments)
	{
		this.arguments = arguments;
	}

	/**
	 * @inheritdoc
	 */
	public ParsedArguments parseArguments() throws ArgumentValidationException
	{
		final ParsedArgumentsBuilder builder = new ParsedArgumentsBuilder();

		for (int i = 0; i < arguments.length; i++)
		{
			if (arguments[i].equals("--") && arguments.length > i + 2)
			{
				String[] unparsed = new String[arguments.length - i - 1];
				System.arraycopy(arguments, i + 1, unparsed, 0, arguments.length - i - 1);
				builder.setUnparsed(unparsed);

				break;
			}
			builder.add(arguments[i]);
		}
		return builder.getParsedArguments();
	}
}