src/jdk.jshell/share/classes/jdk/jshell/execution/impl/RestartableInputStream.java - master - githubmirror/galahad

src/jdk.jshell/share/classes/jdk/jshell/execution/impl/RestartableInputStream.java

49 строк2 KB

Jan Lahoda

8362116: System.in.read() etc. don't accept input once immediate Ctrl+D pressed in JShell

15 июл 2025, 09:13

15 июл 2025, 09:1340d159d

/*
 * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package jdk.jshell.execution.impl;

import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.atomic.AtomicBoolean;

public class RestartableInputStream extends FilterInputStream {

    private final AtomicBoolean closed = new AtomicBoolean();

    public RestartableInputStream(InputStream delegate) {
        super(delegate);
    }

    @Override
    public void close() throws IOException {
        closed.set(true);
        super.close();
    }

    public boolean isClosed() {
        return closed.get();
    }
}