ResultSetUtil.java
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/*
Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc.util;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
/**
* Utilities for dealing with result sets (used in testcases and profiler).
*/
public class ResultSetUtil {
public static StringBuilder appendResultSetSlashGStyle(StringBuilder appendTo, ResultSet rs) throws SQLException {
ResultSetMetaData rsmd = rs.getMetaData();
int numFields = rsmd.getColumnCount();
int maxWidth = 0;
String[] fieldNames = new String[numFields];
for (int i = 0; i < numFields; i++) {
fieldNames[i] = rsmd.getColumnLabel(i + 1);
if (fieldNames[i].length() > maxWidth) {
maxWidth = fieldNames[i].length();
}
}
int rowCount = 1;
while (rs.next()) {
appendTo.append("*************************** ");
appendTo.append(rowCount++);
appendTo.append(". row ***************************\n");
for (int i = 0; i < numFields; i++) {
int leftPad = maxWidth - fieldNames[i].length();
for (int j = 0; j < leftPad; j++) {
appendTo.append(" ");
}
appendTo.append(fieldNames[i]);
appendTo.append(": ");
String stringVal = rs.getString(i + 1);
if (stringVal != null) {
appendTo.append(stringVal);
} else {
appendTo.append("NULL");
}
appendTo.append("\n");
}
appendTo.append("\n");
}
return appendTo;
}
}