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/*--------------------------------------------------------------------------
 *  Copyright 2007 Taro L. Saito
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *--------------------------------------------------------------------------*/
//--------------------------------------
// XerialJ Project
//
// ResultPullReader.java
// Since: May 31, 2007
//
// $URL$ 
// $Author$
//--------------------------------------
package org.xerial.db.sql;

import java.io.IOException;
import java.io.Writer;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.xerial.json.JSONObject;

public class ResultPullReader extends ResultSetHandler
{
	private Writer _out;
	JSONObjectReader _jsonReader = new JSONObjectReader();
	
	public ResultPullReader(Writer out)
	{
		_out = out;
	}
	
	public Object handle(ResultSet rs) throws SQLException {
		
		JSONObject json = _jsonReader.handle(rs);
		try {
			_out.append(json.toJSONString());
		} catch (IOException e) {
			throw new SQLException(e.getMessage());
		}
		return null;
	}
	
}