| 1 | /*
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| 2 | * Copyright 2001-2002,2004-2005 The Apache Software Foundation
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | *
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| 16 | */
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| 17 | package org.apache.tools.ant.util.optional;
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| 18 |
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| 19 | import java.security.Permission;
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| 20 | import org.apache.tools.ant.ExitException;
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| 21 |
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| 22 | /**
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| 23 | * This is intended as a replacement for the default system manager.
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| 24 | * The goal is to intercept System.exit calls and make it throw an
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| 25 | * exception instead so that a System.exit in a task does not
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| 26 | * fully terminate Ant.
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| 27 | *
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| 28 | * @see ExitException
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| 29 | */
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| 30 | public class NoExitSecurityManager extends SecurityManager {
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| 31 |
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| 32 | /**
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| 33 | * Override SecurityManager#checkExit.
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| 34 | * This throws an ExitException(status) exception.
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| 35 | * @param status the exit status
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| 36 | */
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| 37 | public void checkExit(int status) {
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| 38 | throw new ExitException(status);
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| 39 | }
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| 40 |
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| 41 | /**
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| 42 | * Override SecurityManager#checkPermission.
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| 43 | * This does nothing.
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| 44 | * @param perm the requested permission.
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| 45 | */
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| 46 | public void checkPermission(Permission perm) {
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| 47 | // no permission here
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| 48 | }
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| 49 | }
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