blobtype.java

来自「 EasyDBO是一个超轻量级对象-关系映射（Object/Relation M」· Java 代码 · 共 57 行

/**
 * 
 */
package com.easyjf.dbo;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Types;
import java.sql.SQLException;
import java.sql.Blob;

import java.io.Serializable;
import org.apache.log4j.Logger;

/**
 * @author wangliang138840
 *
 */
public class BlobType implements Serializable{
	private transient Logger logger = Logger.getLogger(BlobType.class);
	
	public BlobType(){
		
	}
	
	public void set(PreparedStatement st, Object obj, int index)
		throws Exception 
	{
		if(obj == null){
			st.setNull(index, Types.BLOB);
		}else{
			if(obj instanceof Blob){
				//st.setBlob(index, (Blob)obj);
				//st.setBinaryStream(2, ((BlobImpl)obj).getBinaryStream(),
				//		((BlobImpl)obj).getBinaryStream().available());
				Blob blob = (Blob)obj;
				st.setBinaryStream(index, blob.getBinaryStream(), (int)blob.length());
			}
			else{
				logger.debug("It is not Blob type.");
			}
		}
	}
	
	public Blob get(ResultSet rs, String name)
		throws SQLException 
	{
		return rs.getBlob(name);
	}
	
	public Blob get(ResultSet rs, int index)
		throws SQLException 
	{
		return rs.getBlob(index);
	}
}