javax.servlet.jsp.jstl.sql.ResultSupport Maven / Gradle / Ivy

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This artifact originates from the Orbit Project at Eclipse, it is an osgi bundle and is signed as well.
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2008 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 *
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 2004 The Apache Software Foundation
 *
 * 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
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 */

package javax.servlet.jsp.jstl.sql;

import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * Supports the creation of a javax.servlet.jsp.jstl.sql.Result object 
 * from a source java.sql.ResultSet object. A Result object makes it much 
 * easier for page authors to access and manipulate the data resulting 
 * from a SQL query.
 *
 * @author Justyna Horwat
 *
 */
public class ResultSupport {


    /**
     * Converts a ResultSet object to a Result object.
     *
     * @param rs the ResultSet object
     *
     * @return The Result object created from the ResultSet
     */
    public static Result toResult(ResultSet rs) {
        try {
            return new ResultImpl(rs, -1, -1);
        } catch (SQLException ex) {
            return null;
        }
    }

    /**
     * Converts maxRows of a ResultSet object to a 
     * Result object.
     *
     * @param rs the ResultSet object
     * @param maxRows the maximum number of rows to be cached into the Result object.
     *
     * @return The Result object created from the ResultSet,
     * limited by maxRows
     */
    public static Result toResult(ResultSet rs, int maxRows) {
        try {
            return new ResultImpl(rs, -1, maxRows);
        } catch (SQLException ex) {
            return null;
        }
    }

}