/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.util.cli;

public class PosixOptionFormatter extends OptionFormatter {

    //

    // Static data

    //

    public static final String PREFIX_SHORT_OPTION = "-";

    public static final String PREFIX_LONG_OPTION = "--";

    public static final String OPT_ARG_LONG_SEPARATOR = "=";

    public static final String OPT_ARG_SHORT_SEPARATOR = " ";

    //

    // OptionFormatter methods

    //

    @Override

    public String getFormatted(String[] opts) {

	return getFormatted(opts, null);

    }

    @Override

    public String getFormatted(String[] opts, String optArg) {

	String separator = "";

	StringBuilder buffer = new StringBuilder();

	for (int i = 0; i < opts.length; i++) {

	    String opt = opts[i];

	    if (i != 0) {

		buffer.append(OPT_NAME_DELIM);

	    }

	    // Is this a non-option opt?

	    if (opt.isEmpty()) {

		separator = "";

	    } else

	    // Is this a short opt?

	    if (opt.length() == 1) {

		separator = OPT_ARG_SHORT_SEPARATOR;

		buffer.append(PREFIX_SHORT_OPTION);

	    } else {

		// This is a long opt

		separator = OPT_ARG_LONG_SEPARATOR;

		buffer.append(PREFIX_LONG_OPTION);

	    }

	    buffer.append(opt);

	    if (optArg != null) {

		buffer.append(separator).append(OPT_ARG_ENCLOSE_LEFT).

		    append(optArg).append(OPT_ARG_ENCLOSE_RIGHT);

	    }

	}

	return buffer.toString();

    }

}