dbaccessfactory.java

来自「Struts入门的一个好例子 Struts入门的一个好例子」· Java 代码 · 共 31 行

package bily.notebook.struts.iBatis;

import java.io.Reader;

import com.ibatis.common.resources.Resources;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.ibatis.sqlmap.client.SqlMapClientBuilder;

public class DBAccessFactory {
	private static SqlMapClient sqlMap;

	private final static String MAPPERXMLFILE = "../sqlMap-config.xml";
	
	private DBAccessFactory() {
	}

	public static SqlMapClient getSqlMap() throws DatabaseException {
		if (sqlMap == null) {
			try {
				Reader reader = Resources.getResourceAsReader(MAPPERXMLFILE);
				sqlMap = SqlMapClientBuilder.buildSqlMapClient(reader);
				reader.close();
			} catch (Exception e) {
				throw new RuntimeException(
						"Something bad happened while building the SqlMapClient instance." + e, e);
			}
		}
		return sqlMap;
	}
}