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PrivilegedInstanceCreator.java
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PrivilegedInstanceCreator.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* 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 (at your option) any
* later version.
* <p>
* 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 cz.cvut.kbss.jopa.sessions;
import java.lang.reflect.Constructor;
import java.security.PrivilegedExceptionAction;
/**
* Builds new instance with privileged access using the specified constructor.
*/
public class PrivilegedInstanceCreator implements PrivilegedExceptionAction<Object> {
private Constructor<?> constructor;
private Object[] params;
PrivilegedInstanceCreator(Constructor<?> constructor) {
this.constructor = constructor;
this.params = null;
}
PrivilegedInstanceCreator(Constructor<?> constructor, Object... params) {
this.constructor = constructor;
this.params = params;
}
@Override
public Object run() throws Exception {
return constructor.newInstance(params);
}
}