Ant example source code file (NoExitSecurityManager.java)

This example Ant source code file (NoExitSecurityManager.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

exitexception, exitexception, noexitsecuritymanager, noexitsecuritymanager, security, securitymanager, securitymanager

The NoExitSecurityManager.java source code

/*
 *  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.apache.tools.ant.util.optional;

import java.security.Permission;
import org.apache.tools.ant.ExitException;

/**
 * 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
 */
public class NoExitSecurityManager extends SecurityManager {

    /**
     * Override SecurityManager#checkExit.
     * This throws an ExitException(status) exception.
     * @param status the exit status
     */
    public void checkExit(int status) {
        throw new ExitException(status);
    }

    /**
     * Override SecurityManager#checkPermission.
     * This does nothing.
     * @param perm the requested permission.
     */
    public void checkPermission(Permission perm) {
        // no permission here
    }
}