com.github.flysium.io.yew.common.jdbc.resultset.MapResultSetHandler Maven / Gradle / Ivy
/*
* Copyright 2018-2025 the original author or authors.
*
* 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.
*/
package com.github.flysium.io.yew.common.jdbc.resultset;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
/**
* 单个哈希表结果集处理器
*
* @author Sven Augustus
* @version 1.0
*/
public class MapResultSetHandler implements ResultSetHandler> {
private final boolean upper;
public MapResultSetHandler() {
this(false);
}
public MapResultSetHandler(boolean upper) {
this.upper = upper;
}
@Override
public Map handler(ResultSet rs) throws SQLException {
Map r = new HashMap<>();
if (rs.next()) {
ResultSetMetaData rsmd = rs.getMetaData();
int count = rsmd.getColumnCount();
for (int i = 1; i <= count; i++) {
String key =
upper ? rsmd.getColumnLabel(i).toUpperCase()
: rsmd.getColumnLabel(i).toLowerCase();
Object value = rs.getObject(i);
r.put(key, value);
}
}
return r;
}
}