Ant example source code file (PermissionsTest.java)

This example Ant source code file (PermissionsTest.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

could, could, exit, exitexception, permissions, permissions, permissionstest, please, received, securityexception, securityexception, string, string, testcase

The PermissionsTest.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.types;

import junit.framework.TestCase;

import org.apache.tools.ant.ExitException;

/**
 * JUnit 3 testcases for org.apache.tools.ant.types.Permissions.
 *
 */
public class PermissionsTest extends TestCase {

    Permissions perms;

    public PermissionsTest(String name) {
        super(name);
    }

    public void setUp() {
        perms = new Permissions();
        Permissions.Permission perm = new Permissions.Permission();
        // Grant extra permissions to read and write the user.* properties and read to the
        // java.home property
        perm.setActions("read, write");
        perm.setName("user.*");
        perm.setClass("java.util.PropertyPermission");
        perms.addConfiguredGrant(perm);

        perm = new Permissions.Permission();
        perm.setActions("read");
        perm.setName("java.home");
        perm.setClass("java.util.PropertyPermission");
        perms.addConfiguredGrant(perm);

        perm = new Permissions.Permission();
        perm.setActions("read");
        perm.setName("file.encoding");
        perm.setClass("java.util.PropertyPermission");
        perms.addConfiguredGrant(perm);

        // Revoke permission to write user.home (granted above via user.*), still able to read though.
        // and the default granted permission to read os.name.
        perm = new Permissions.Permission();
        perm.setActions("write");
        perm.setName("user.home");
        perm.setClass("java.util.PropertyPermission");
        perms.addConfiguredRevoke(perm);

        perm = new Permissions.Permission();
        perm.setActions("read");
        perm.setName("os.*");
        perm.setClass("java.util.PropertyPermission");
        perms.addConfiguredRevoke(perm);
    }

    /** Tests a permission that is granted per default. */
    public void testDefaultGranted() {
        perms.setSecurityManager();
        try {
            String s = System.getProperty("line.separator");
        } finally {
            perms.restoreSecurityManager();
        }
    }

    /** Tests a permission that has been granted later via wildcard. */
    public void testGranted() {
        perms.setSecurityManager();
        try {
            String s = System.getProperty("user.name");
            System.setProperty("user.name", s);
        } finally {
            perms.restoreSecurityManager();
        }
    }

    /** Tests a permission that has been granted and revoked later. */
    public void testGrantedAndRevoked() {
        perms.setSecurityManager();
        try {
            String s = System.getProperty("user.home");
            System.setProperty("user.home", s);
            fail("Could perform an action that should have been forbidden.");
        } catch (SecurityException e){
            // Was expected, test passes
        } finally {
            perms.restoreSecurityManager();
        }
    }

    /** Tests a permission that is granted as per default but revoked later via wildcard. */
    public void testDefaultRevoked() {
        perms.setSecurityManager();
        try {
            System.getProperty("os.name");
            fail("Could perform an action that should have been forbidden.");
        } catch (SecurityException e){
            // Was expected, test passes
        } finally {
            perms.restoreSecurityManager();
        }
    }
    /** Tests a permission that has not been granted or revoked. */
    public void testOther() {
        String ls = System.getProperty("line.separator");
        perms.setSecurityManager();
        try {
            String s = System.setProperty("line.separator",ls);
            fail("Could perform an action that should have been forbidden.");
        } catch (SecurityException e){
            // Was expected, test passes
        } finally {
            perms.restoreSecurityManager();
        }
    }

    /** Tests an exit condition. */
    public void testExit() {
        perms.setSecurityManager();
        try {
            System.out.println("If this is the last line on standard out the testExit f.a.i.l.e.d");
            System.exit(3);
            fail("Totaly impossible that this fail is ever executed. Please let me know if it is!");
        } catch (ExitException e) {
            if (e.getStatus() != 3) {
                fail("Received wrong exit status in Exit Exception.");
            }
            System.out.println("testExit successful.");
        } finally {
            perms.restoreSecurityManager();
        }
    }


    public void tearDown() {
    }

}