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benerator is a framework for creating realistic and valid high-volume test data, used for testing (unit/integration/load) and showcase setup. Metadata constraints are imported from systems and/or configuration files. Data can imported from and exported to files and systems, anonymized or generated from scratch. Domain packages provide reusable generators for creating domain-specific data as names and addresses internationalizable in language and region. It is strongly customizable with plugins and configuration options.

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/*
 * (c) Copyright 2009 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License (GPL).
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package org.databene.platform.java;

import org.databene.benerator.Consumer;
import org.databene.benerator.consumer.AbstractConsumer;
import org.databene.commons.BeanUtil;
import org.databene.model.data.Entity;

/**
 * {@link Consumer} implementation that maps input data to parameters
 * and invokes a method on a Java object with them.


 * Created: 21.10.2009 17:23:22
 * @since 0.6.0
 * @author Volker Bergmann
 */
public class JavaInvoker extends AbstractConsumer {
	
	private Object target;
	private String methodName;
	
	// constructors ----------------------------------------------------------------------------------------------------

	public JavaInvoker() {
		this(null, null);
	}
	
	public JavaInvoker(Object target, String methodName) {
	    this.target = target;
	    this.methodName = methodName;
    }

	// properties ------------------------------------------------------------------------------------------------------

	public Object getTarget() {
    	return target;
    }

	public void setTarget(Object target) {
    	this.target = target;
    }

	public String getMethodName() {
    	return methodName;
    }

	public void setMethodName(String methodName) {
    	this.methodName = methodName;
    }

	// Consumer interface impelementation ------------------------------------------------------------------------------

	@Override
	public void startProductConsumption(Object object) {
	    if (object instanceof Entity)
	    	invokeByEntity((Entity) object);
	    else if (object.getClass().isArray())
	    	invokeByArray((Object[]) object);
	    else
	    	invokeByObject(object);
    }
	
	// private helper methods ------------------------------------------------------------------------------------------

	private void invokeByEntity(Entity object) {
		Object[] args = object.getComponents().values().toArray();
		if (target instanceof Class)
			BeanUtil.invokeStatic((Class) target, methodName, args);
		else
			BeanUtil.invoke(false, target, methodName, args);
    }

	private void invokeByArray(Object[] args) {
		if (target instanceof Class)
			BeanUtil.invokeStatic((Class) target, methodName, args);
		else
			BeanUtil.invoke(target, methodName, args);
    }

	private void invokeByObject(Object object) {
		if (target instanceof Class)
			BeanUtil.invokeStatic((Class) target, methodName, object);
		else
			BeanUtil.invoke(target, methodName, object);
    }

}