1 /*
2 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
54 * @since 1.7
55 */
56 public class RowSetProvider {
57
58 private static final String ROWSET_DEBUG_PROPERTY = "javax.sql.rowset.RowSetProvider.debug";
59 private static final String ROWSET_FACTORY_IMPL = "com.sun.rowset.RowSetFactoryImpl";
60 private static final String ROWSET_FACTORY_NAME = "javax.sql.rowset.RowSetFactory";
61 /**
62 * Internal debug flag.
63 */
64 private static boolean debug = true;
65
66
67 static {
68 // Check to see if the debug property is set
69 String val = getSystemProperty(ROWSET_DEBUG_PROPERTY);
70 // Allow simply setting the prop to turn on debug
71 debug = val != null && !"false".equals(val);
72 }
73
74
75 protected RowSetProvider () {
76 }
77
78 /**
79 * <p>Creates a new instance of a <code>RowSetFactory</code>
80 * implementation. This method uses the following
81 * look up order to determine
82 * the <code>RowSetFactory</code> implementation class to load:</p>
83 * <ul>
84 * <li>
85 * The System property {@code javax.sql.rowset.RowSetFactory}. For example:
86 * <ul>
87 * <li>
88 * -Djavax.sql.rowset.RowSetFactory=com.sun.rowset.RowSetFactoryImpl
89 * </li>
90 * </ul>
91 * <li>
92 * The {@link ServiceLoader} API. The {@code ServiceLoader} API will look
93 * for a class name in the file
94 * {@code META-INF/services/javax.sql.rowset.RowSetFactory}
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1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
54 * @since 1.7
55 */
56 public class RowSetProvider {
57
58 private static final String ROWSET_DEBUG_PROPERTY = "javax.sql.rowset.RowSetProvider.debug";
59 private static final String ROWSET_FACTORY_IMPL = "com.sun.rowset.RowSetFactoryImpl";
60 private static final String ROWSET_FACTORY_NAME = "javax.sql.rowset.RowSetFactory";
61 /**
62 * Internal debug flag.
63 */
64 private static boolean debug = true;
65
66
67 static {
68 // Check to see if the debug property is set
69 String val = getSystemProperty(ROWSET_DEBUG_PROPERTY);
70 // Allow simply setting the prop to turn on debug
71 debug = val != null && !"false".equals(val);
72 }
73
74 /**
75 * RowSetProvider constructor
76 */
77 protected RowSetProvider () {
78 }
79
80 /**
81 * <p>Creates a new instance of a <code>RowSetFactory</code>
82 * implementation. This method uses the following
83 * look up order to determine
84 * the <code>RowSetFactory</code> implementation class to load:</p>
85 * <ul>
86 * <li>
87 * The System property {@code javax.sql.rowset.RowSetFactory}. For example:
88 * <ul>
89 * <li>
90 * -Djavax.sql.rowset.RowSetFactory=com.sun.rowset.RowSetFactoryImpl
91 * </li>
92 * </ul>
93 * <li>
94 * The {@link ServiceLoader} API. The {@code ServiceLoader} API will look
95 * for a class name in the file
96 * {@code META-INF/services/javax.sql.rowset.RowSetFactory}
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