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Testing framework for Java

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package org.testng.internal;

import org.testng.IObjectFactory;
import org.testng.TestNGException;

import java.lang.reflect.Constructor;

/**
 * Default factory for test creation.
 * Note that if no constructor is found matching the specified parameters,
 * this factory will try to invoke a constructor that takes in a string object
 *
 * @author Hani Suleiman
 *         Date: Mar 6, 2007
 *         Time: 12:00:27 PM
 * @since 5.6
 */
public class ObjectFactoryImpl implements IObjectFactory {

  /**
   *
   */
  private static final long serialVersionUID = -4547389328475540017L;

  @Override
  public Object newInstance(Constructor constructor, Object... params) {
    try {
      return constructor.newInstance(params);
    }
    catch (IllegalAccessException ex) {
      return ClassHelper.tryOtherConstructor(constructor.getDeclaringClass());
    }
    catch (InstantiationException ex) {
      return ClassHelper.tryOtherConstructor(constructor.getDeclaringClass());
    }
    catch(Exception ex) {
      throw new TestNGException("Cannot instantiate class "
          + (constructor != null
                ? constructor.getDeclaringClass().getName()
                : ": couldn't find a suitable constructor"),
                    ex);
    }
  }
}