src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/CommandLineFormat.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package jdk.jpackage.internal.util;

import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * Formats command line arguments.
 */
public final class CommandLineFormat {

    public String format(List<String> cmdline) {
        return cmdline.stream().map(enquoter::applyTo).collect(Collectors.joining(" "));
    }

    public static CommandLineFormat platform() {
        var format = new CommandLineFormat();
        format.enquoter = Enquoter.identity().setEnquotePredicate(Enquoter.QUOTE_IF_WHITESPACES).setQuoteChar('\'');
        return format;
    }

    private CommandLineFormat() {
    }

    private Enquoter enquoter;

    public static final Function<List<String>, String> DEFAULT = platform()::format;
}