dgraham 2003/10/18 12:20:15
Added: dbutils/src/java/org/apache/commons/dbutils
ArrayHandler.java
Log:
Renamed VectorHandler to ArrayHandler because most Java
programmers will associate the term "vector" with the Vector class
instead of a list of values. Added constructors to configure the
RowProcessor.
Revision Changes Path
1.1
jakarta-commons-sandbox/dbutils/src/java/org/apache/commons/dbutils/ArrayHandler.java
Index: ArrayHandler.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-commons-sandbox/dbutils/src/java/org/apache/commons/dbutils/ArrayHandler.java,v
1.1 2003/10/18 19:20:15 dgraham Exp $
* $Revision: 1.1 $
* $Date: 2003/10/18 19:20:15 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.dbutils;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* <code>ResultSetHandler</code> implementation that converts a
* <code>ResultSet</code> into an <code>Object[]</code>.
*
* @see ResultSetHandler
*
* @author Juozas Baliuka
* @author David Graham
*/
public class ArrayHandler implements ResultSetHandler {
/**
* The RowProcessor implementation to use when converting rows
* into arrays.
*/
private RowProcessor convert = BasicRowProcessor.instance();
/**
* Creates a new instance of ArrayHandler using a
* <code>BasicRowProcessor</code> for conversion.
*/
public ArrayHandler() {
super();
}
/**
* Creates a new instance of ArrayHandler.
*
* @param convert The <code>RowProcessor</code> implementation
* to use when converting rows into arrays.
*/
public ArrayHandler(RowProcessor convert) {
super();
this.convert = convert;
}
/**
* Places the column values from the first row in an <code>Object[]</code>.
*
* @return An Object[] or <code>null</code> if there are no rows in the
* <code>ResultSet</code>.
*
* @throws SQLException
* @see org.apache.commons.dbutils.ResultSetHandler#handle(java.sql.ResultSet,
java.lang.Object[], java.lang.Object)
*/
public Object handle(ResultSet rs, Object[] params, Object userObject)
throws SQLException {
return rs.next() ? this.convert.toArray(rs) : null;
}
}
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