src/share/classes/javax/sql/rowset/RowSetProvider.java

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   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}


   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}