1 /*

     2  * Copyright (c) 2002-2016, the original author or authors.

     3  *

     4  * This software is distributable under the BSD license. See the terms of the

     5  * BSD license in the documentation provided with this software.

     6  *

     7  * http://www.opensource.org/licenses/bsd-license.php

     8  */

     9 package jdk.internal.jline;

    10 

    11 // Based on Apache Karaf impl

    12 

    13 /**

    14  * Non-interruptible (via CTRL-C) {@link UnixTerminal}.

    15  *

    16  * @since 2.0

    17  */

    18 public class NoInterruptUnixTerminal

    19     extends UnixTerminal

    20 {

    21     private String intr;

    22 

    23     public NoInterruptUnixTerminal() throws Exception {

    24         super();

    25     }

    26 

    27     @Override

    28     public void init() throws Exception {

    29         super.init();

    30         intr = getSettings().getPropertyAsString("intr");

    31         if ("<undef>".equals(intr)) {

    32             intr = null;

    33         }

    34         if (intr != null) {

    35             getSettings().undef("intr");

    36         }

    37     }

    38 

    39     @Override

    40     public void restore() throws Exception {

    41         if (intr != null) {

    42             getSettings().set("intr", intr);

    43         }

    44         super.restore();

    45     }

    46 }