org.codehaus.groovy.tools.shell.util.NoExitSecurityManager.groovy Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of groovy-all Show documentation
Show all versions of groovy-all Show documentation
Groovy: A powerful, dynamic language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.codehaus.groovy.tools.shell.util
import java.security.Permission
/**
* Custom security manager to {@link System#exit} (and related) from being used.
*/
public class NoExitSecurityManager
extends SecurityManager
{
private final SecurityManager parent
public NoExitSecurityManager(final SecurityManager parent) {
this.parent = parent
}
public NoExitSecurityManager() {
this(System.getSecurityManager())
}
@Override
public void checkPermission(final Permission perm) {
if (parent != null) {
parent.checkPermission(perm)
}
}
/**
* Always throws {@link SecurityException}.
*/
@Override
public void checkExit(final int code) {
throw new SecurityException('Use of System.exit() is forbidden!')
}
/*
public void checkPermission(final Permission perm) {
assert perm != null
if (perm.getName().equals("exitVM")) {
System.out.println("exitVM")
}
}
*/
}