src/main/org/apache/tools/ant/util/optional/NoExitSecurityManager.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
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 *    the documentation and/or other materials provided with the
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 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.tools.ant.util.optional;

import org.apache.tools.ant.ExitException;

import java.security.Permission;

/**
 * This is intended as a replacement for the default system manager.
 * The goal is to intercept System.exit calls and make it throw an
 * exception instead so that a System.exit in a task does not
 * fully terminate Ant.
 *
 * @see ExitException
 * @author <a href="mailto:sbailliez@apache.org">Stephane Bailliez</a>
 */
public class NoExitSecurityManager extends SecurityManager {

    public void checkExit(int status) {
        throw new ExitException(status);
    }

    public void checkPermission(Permission perm) {
        // no permission here
    }
}