abstractvalueobjectvalidator.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.common.validator;

import com.cownew.PIS.framework.common.IBaseDAO;
import com.cownew.PIS.framework.common.IValueObject;

import com.cownew.PIS.framework.common.metaDataMgr.IMetaDataLoader;

public abstract class AbstractValueObjectValidator implements IValidator
{
	protected IBaseDAO baseDAO;
	
	protected IMetaDataLoader metaDataLoader;
	
	protected EntityDataValidator entityDataValiator ;

	public AbstractValueObjectValidator(IMetaDataLoader metaDataLoader,
			IBaseDAO baseDAO)
	{
		super();
		this.metaDataLoader = metaDataLoader;
		this.baseDAO = baseDAO;
		entityDataValiator = new EntityDataValidator(metaDataLoader,baseDAO);
	}

	public void validate(Object obj) 
	{
		if(!(obj instanceof IValueObject))
		{
			throw new IllegalArgumentException("must be instanceof IValueObject");
		}
	}

}