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* Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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package java.awt.desktop;
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import java.awt.Desktop;
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import java.awt.GraphicsEnvironment;
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import java.awt.HeadlessException;
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import java.util.ArrayList;
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* Auxiliary event containing a list of files.
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public sealed class FilesEvent extends AppEvent
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permits OpenFilesEvent,
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* Use serialVersionUID from JDK 9 for interoperability.
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private static final long serialVersionUID = 5271763715462312871L;
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@SuppressWarnings("serial") // Not statically typed as Serializable
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final List<File> files;
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* Constructs a {@code FilesEvent}.
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* @param files the list of files
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* @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
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* returns {@code true}
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* @throws UnsupportedOperationException if Desktop API is not supported on
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* the current platform
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* @see Desktop#isDesktopSupported()
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* @see java.awt.GraphicsEnvironment#isHeadless
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FilesEvent(final List<File> files) {
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* Gets the list of files.
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* @return the list of files
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public List<File> getFiles() {
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: new ArrayList<>(files);