/*****************************************************************************
* (C) Copyright 2004 。
* 保留對所有使用、復制、修改和發布整個軟件和相關文檔的權利。
* 本計算機程序受著作權法和國際公約的保護，未經授權擅自復制或
* 傳播本程序的全部或部分，可能受到嚴厲的民事和刑事制裁，并
* 在法律允許的范圍內受到最大可能的起訴。
*/

 /*****************************************************************************
  * @作者：Golden Peng
  * @版本： 1.0
  * @時間： 2002-10-08
  */
 /*****************************************************************************
  * 修改記錄清單
  * 修改人  ：
  * 修改記錄：
  * 修改時間：
  * 修改描述：
  *
  */
package com.corp.bisc.ebiz.base;

import java.util.*;
import java.io.*;
import java.sql.*;
import com.corp.bisc.ebiz.exception.*;
import com.corp.bisc.ebiz.util.*;
/**
 * Insert the type's description here.
 * Creation date: (2002-5-13 12:54:57)
 * @author: Administrator
 */
public class BizComponent extends ObjectBase implements Serializable {

private Vector values = new Vector();
private int position = 0;
private String name;

private String info;

//final static long serialVersionUID = -3620860894732882054L;

public BizComponent(String aName)
{
	name = aName;
}
public void dump(PrintStream os)
{
	dump(os, 0);
}
/**
 * 將BizComponent中的數據打印出來
 **/
public void dump(PrintStream os, int offset)
{
	String offsetString = (new StringBuffer(offset)).toString();

	os.println(offsetString + "Component:->" + name);
	for(int i=0; i<values.size(); i++)
	{
		Hashtable aHash = (Hashtable)values.elementAt(i);
		Enumeration keys = aHash.keys();
		while(keys.hasMoreElements())
		{
			String key = (String)keys.nextElement();
			if(aHash.get(key) instanceof BizComponent)
			{
				((BizComponent)aHash.get(key)).dump(os, offset + 12);
			}
			else
			{
				os.println(offsetString + key + ":->" + aHash.get(key));
			}

		}
	}
}
/**
 * 此處插入方法描述。
 * 創建日期：(2002-5-24 16:58:02)
 * @param resultSet java.sql.ResultSet
 */
public void fromResultSet(ResultSet rs) {

	position = 0;
	values = null;
	values = new Vector();

	try{
		ResultSetMetaData rsmd = rs.getMetaData();
		int columncount = rsmd.getColumnCount();
		Vector colNameVector = new Vector();
		for(int i=1;i<=columncount;i++){
			colNameVector.add(rsmd.getColumnName(i));
		}

		while (rs.next()) {
			this.newRecord();
			for(int i=0;i<columncount;i++){
				String colname = (String)colNameVector.elementAt(i);
				Object value = rs.getObject(colname);
				String val = "";
				if(value != null){
					val = SSEDataConverter.toString(value,2);
				}
				this.setFieldValue(colname,val);
			}
		}
		rs.close();

	}catch(Exception e){
		System.out.println(e);
		System.out.println("error when bizcomponent getting data from resultset");
	}
	finally{

	}


}
/**
 * 此處插入方法描述。
 * 創建日期：(2002-5-24 16:58:02)
 * @param resultSet java.sql.ResultSet
 */
public void fromResultSet(ResultSet rs,int length) {

	position = 0;
	values = null;
	values = new Vector();

	try{
		ResultSetMetaData rsmd = rs.getMetaData();
		int columncount = rsmd.getColumnCount();
		Vector colNameVector = new Vector();
		for(int i=1;i<=columncount;i++){
			colNameVector.add(rsmd.getColumnName(i));
		}

		while (rs.next()) {
			this.newRecord();
			for(int i=0;i<columncount;i++){
				String colname = (String)colNameVector.elementAt(i);
				Object value = rs.getObject(colname);
				String val = "";
				if(value != null){
					val = SSEDataConverter.toString(value,length);
				}
				this.setFieldValue(colname,val);
			}
		}
		rs.close();

	}catch(Exception e){
		System.out.println(e);
		System.out.println("error when bizcomponent getting data from resultset");
	}
	finally{

	}


}
public BizComponent getBizComponent(String fieldName)
{
	if(position > values.size())
		throw new TraceException();

	Object obj = ((Hashtable)values.elementAt(position)).get(fieldName);
	if(obj instanceof BizComponent)
		return (BizComponent)obj;
	else
		return null;
}
public Object getFieldValue(String fieldName)
{
	if(position > values.size())
		throw new TraceException();

	if(values.size() == 0)
		return null;

	Object obj = ((Hashtable)values.elementAt(position)).get(fieldName);
	if(obj instanceof BizComponent)
		return null;
	else
		return obj;
}
public String getInfo()
{
	return info;
}
public String getName()
{
	return name;
}
public Vector getValues()
{
	return values;
}
public int getValueSize()
{
	if(values != null)
		return values.size();
	return 0;
}
public boolean moveFirst()
{
	position = 0;
	return (values.size() > 0);
}
public boolean moveLast()
{
	position = values.size()-1;

	return position>=0;
}
public boolean moveNext()
{
	position ++;
	if(position >= values.size())
		position = values.size();

	return values.size() > position;
}
public void newRecord()
{
	Hashtable aHash = new Hashtable();

	values.addElement(aHash);
	position = getValueSize() -1;
}
public void setBizComp(String aName, BizComponent bizComp)
{
	((Hashtable)(values.elementAt(position))).put(aName, bizComp);
}
public void setFieldValue(String fieldName, Object value)
{
	if(value == null)
		return;
	((Hashtable)(values.elementAt(position))).put(fieldName, value);
}
public void setFieldValue(String fieldName, String value)
{
	if(value == null)
		value = "";
	((Hashtable)(values.elementAt(position))).put(fieldName, value);
}
public void setInfo(String resinfo)
{
	info = resinfo;
}
}