package com.vci.server.bof.histroy;

import java.io.ByteArrayOutputStream;
import java.io.ObjectOutputStream;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;

import com.vci.common.log.ServerWithLog4j;
import com.vci.corba.common.VCIError;
import com.vci.corba.omd.data.AttributeValue;
import com.vci.corba.omd.data.BusinessObject;
import com.vci.server.bof.delegate.BOFactoryServerBODelegate;
import com.vci.server.bof.delegate.BOFactoryServerDelegate;

/**
 * 操作业务对象历史数据
 * @author lmh
 *
 */
public class BOHistroyService {
	/**
	 * 保存修改历史记录的业务类型
	 */
	private static final String BTMNAME = "objecthistoryinfo";
	private static BOHistroyService service = null;
	
	private BOFactoryServerBODelegate bsb = BOFactoryServerBODelegate.getInstance();
	private BOFactoryServerDelegate bsd = BOFactoryServerDelegate.getInstance();
	
	public static BOHistroyService getInstance() {
		if(service == null) {
			service = new BOHistroyService();
		}
		return service;
	}
	
	/**
	 * 保存对象的信息到objecthistoryinfo这个业务类型中
	 * @param bo
	 */
	public void saveHistroy(BusinessObject bo) {
		if(bo != null) {
			List<AttributeValue> list = new ArrayList<AttributeValue>();
			list.add(new AttributeValue("hoid",bo.oid));
			list.add(new AttributeValue("hrevisionoid",bo.revisionid));
			list.add(new AttributeValue("hnameoid",bo.nameoid));
			list.add(new AttributeValue("btmtype",bo.btName));
			String s = "";;
			try {
				s = getString(bo);
			} catch (Exception e) {
				//e.printStackTrace();
				ServerWithLog4j.logger.error(e);
			}
			list.add(new AttributeValue("plhistory", s));
			BusinessObject saveBo = null;
			try {
				saveBo = bsb.initBusinessObject(BTMNAME);
				saveBo.newAttrValList = list.toArray(new AttributeValue[0]);
				bsd.createBusinessObject(saveBo, false, false);
			} catch (VCIError e1) {
				e1.printStackTrace();
			}
		}
	}
	
	private String getString(BusinessObject bo) throws Exception {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		ObjectOutputStream ops = new ObjectOutputStream(baos);
		ops.writeObject(bo);
		String s = baos.toString("ISO-8859-1");
		ops.flush();
		ops.close();
		baos.close();
		return URLEncoder.encode(s,"UTF-8");
	}
}