01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * Portions Copyright Apache Software Foundation.
07: *
08: * The contents of this file are subject to the terms of either the GNU
09: * General Public License Version 2 only ("GPL") or the Common Development
10: * and Distribution License("CDDL") (collectively, the "License"). You
11: * may not use this file except in compliance with the License. You can obtain
12: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
13: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
14: * language governing permissions and limitations under the License.
15: *
16: * When distributing the software, include this License Header Notice in each
17: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
18: * Sun designates this particular file as subject to the "Classpath" exception
19: * as provided by Sun in the GPL Version 2 section of the License file that
20: * accompanied this code. If applicable, add the following below the License
21: * Header, with the fields enclosed by brackets [] replaced by your own
22: * identifying information: "Portions Copyrighted [year]
23: * [name of copyright owner]"
24: *
25: * Contributor(s):
26: *
27: * If you wish your version of this file to be governed by only the CDDL or
28: * only the GPL Version 2, indicate your decision by adding "[Contributor]
29: * elects to include this software in this distribution under the [CDDL or GPL
30: * Version 2] license." If you don't indicate a single choice of license, a
31: * recipient has the option to distribute your version of this file under
32: * either the CDDL, the GPL Version 2 or to extend the choice of license to
33: * its licensees as provided above. However, if you add GPL Version 2 code
34: * and therefore, elected the GPL Version 2 license, then the option applies
35: * only if the new code is made subject to such option by the copyright
36: * holder.
37: */
38:
39: package javax.servlet.jsp.jstl.sql;
40:
41: import java.sql.ResultSet;
42: import java.sql.SQLException;
43:
44: /**
45: * <p>Supports the creation of a javax.servlet.jsp.jstl.sql.Result object
46: * from a source java.sql.ResultSet object. A Result object makes it much
47: * easier for page authors to access and manipulate the data resulting
48: * from a SQL query.</p>
49: *
50: * @author Justyna Horwat
51: *
52: */
53: public class ResultSupport {
54:
55: /**
56: * Converts a <code>ResultSet</code> object to a <code>Result</code> object.
57: *
58: * @param rs the <code>ResultSet</code> object
59: *
60: * @return The <code>Result</code> object created from the <code>ResultSet</code>
61: */
62: public static Result toResult(ResultSet rs) {
63: try {
64: return new ResultImpl(rs, -1, -1);
65: } catch (SQLException ex) {
66: return null;
67: }
68: }
69:
70: /**
71: * Converts <code>maxRows</code> of a <code>ResultSet</code> object to a
72: * <code>Result</code> object.
73: *
74: * @param rs the <code>ResultSet</code> object
75: * @param maxRows the maximum number of rows to be cached into the <code>Result</code> object.
76: *
77: * @return The <code>Result</code> object created from the <code>ResultSet</code>,
78: * limited by <code>maxRows</code>
79: */
80: public static Result toResult(ResultSet rs, int maxRows) {
81: try {
82: return new ResultImpl(rs, -1, maxRows);
83: } catch (SQLException ex) {
84: return null;
85: }
86: }
87:
88: }
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