org.pepstock.jem.junit.test.antutils.java.TrySecurity.java Source code

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Here is the source code for org.pepstock.jem.junit.test.antutils.java.TrySecurity.java

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/**
JEM, the BEE - Job Entry Manager, the Batch Execution Environment
Copyright (C) 2012-2015   Andrea "Stock" Stocchero
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.pepstock.jem.junit.test.antutils.java;

import java.lang.reflect.Field;

import org.apache.commons.lang3.reflect.FieldUtils;

/**
 * @author Andrea "Stock" Stocchero
 * @version 2.2
 */
public class TrySecurity {

    /**
     * 
     * @param args
     * @throws Exception
     */
    public static void main(String[] args) throws Exception {

        String what = null;
        try {
            what = "CHANGE SECURITY MANAGER!";
            // gry to change security manager
            System.setSecurityManager(null);
        } catch (Exception e) {
            e.printStackTrace();
            try {
                what = "CHANGE FIELD OF SECURITY MANAGER!";
                SecurityManager sm = System.getSecurityManager();
                Field f = sm.getClass().getField("isAdministrator");
                System.err.println(FieldUtils.readField(f, sm, true));
            } catch (Exception e1) {
                e1.printStackTrace();
                return;
            }
        }
        throw new SecurityException("Securitymanager is not secure: " + what);
    }
}