org.hibernate.validator.internal.util.privilegedactions.ConstructorInstance Maven / Gradle / Ivy
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* by the @authors tag. See the copyright.txt in the distribution for a
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*
* Licensed 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.hibernate.validator.internal.util.privilegedactions;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.security.PrivilegedAction;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
/**
* Execute instance creation as privileged action.
*
* @author Emmanuel Bernard
* @author Hardy Ferentschik
*/
public final class ConstructorInstance implements PrivilegedAction {
private static final Log log = LoggerFactory.make();
private final Constructor constructor;
private final Object[] initArgs;
public static ConstructorInstance action(Constructor constructor, Object... initArgs) {
return new ConstructorInstance( constructor, initArgs );
}
private ConstructorInstance(Constructor constructor, Object... initArgs) {
this.constructor = constructor;
this.initArgs = initArgs;
}
public T run() {
try {
return constructor.newInstance( initArgs );
}
catch ( InstantiationException e ) {
throw log.getUnableToInstantiateException( constructor.getName(), e );
}
catch ( IllegalAccessException e ) {
throw log.getUnableToInstantiateException( constructor.getName(), e );
}
catch ( InvocationTargetException e ) {
throw log.getUnableToInstantiateException( constructor.getName(), e );
}
catch ( RuntimeException e ) {
throw log.getUnableToInstantiateException( constructor.getName(), e );
}
}
}