001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2025-2026 The Enola <https://enola.dev> Authors
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *     https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package dev.enola.common;
019
020import java.io.IOException;
021import java.net.Socket;
022
023public final class Net {
024    private Net() {}
025
026    public static boolean portAvailable(int port) {
027        // skipcq: JAVA-S1011 Non-SSL socket is OK for this purpose.
028        try (var ignored = new Socket("localhost", port)) {
029            return true;
030        } catch (IOException e) {
031            return false;
032        }
033    }
034}