001 /**
002 * JDBM LICENSE v1.00
003 *
004 * Redistribution and use of this software and associated documentation
005 * ("Software"), with or without modification, are permitted provided
006 * that the following conditions are met:
007 *
008 * 1. Redistributions of source code must retain copyright
009 * statements and notices. Redistributions must also contain a
010 * copy of this document.
011 *
012 * 2. Redistributions in binary form must reproduce the
013 * above copyright notice, this list of conditions and the
014 * following disclaimer in the documentation and/or other
015 * materials provided with the distribution.
016 *
017 * 3. The name "JDBM" must not be used to endorse or promote
018 * products derived from this Software without prior written
019 * permission of Cees de Groot. For written permission,
020 * please contact cg@cdegroot.com.
021 *
022 * 4. Products derived from this Software may not be called "JDBM"
023 * nor may "JDBM" appear in their names without prior written
024 * permission of Cees de Groot.
025 *
026 * 5. Due credit should be given to the JDBM Project
027 * (http://jdbm.sourceforge.net/).
028 *
029 * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS
030 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
031 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
032 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
033 * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
034 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
035 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
036 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
037 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
038 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
039 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
040 * OF THE POSSIBILITY OF SUCH DAMAGE.
041 *
042 * Copyright 2000 (C) Cees de Groot. All Rights Reserved.
043 * Copyright 2000-2001 (C) Alex Boisvert. All Rights Reserved.
044 * Contributions are Copyright (C) 2000 by their associated contributors.
045 *
046 * $Id: RecordManagerFactory.java,v 1.2 2005/06/25 23:12:31 doomdark Exp $
047 */
048 package jdbm;
049
050
051 import java.io.IOException;
052 import java.util.Properties;
053
054 import org.apache.directory.server.i18n.I18n;
055
056
057 /**
058 * This is the factory class to use for instantiating {@link RecordManager}
059 * instances.
060 *
061 * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a>
062 * @author <a href="cg@cdegroot.com">Cees de Groot</a>
063 * @version $Id: RecordManagerFactory.java,v 1.2 2005/06/25 23:12:31 doomdark Exp $
064 */
065 public final class RecordManagerFactory
066 {
067
068 /**
069 * Create a record manager.
070 *
071 * @param name Name of the record file.
072 * @throws IOException if an I/O related exception occurs while creating
073 * or opening the record manager.
074 * @throws UnsupportedOperationException if some options are not supported by the
075 * implementation.
076 * @throws IllegalArgumentException if some options are invalid.
077 */
078 public static RecordManager createRecordManager( String name ) throws IOException
079 {
080 return createRecordManager( name, new Properties() );
081 }
082
083
084 /**
085 * Create a record manager.
086 *
087 * @param name Name of the record file.
088 * @param options Record manager options.
089 * @throws IOException if an I/O related exception occurs while creating
090 * or opening the record manager.
091 * @throws UnsupportedOperationException if some options are not supported by the
092 * implementation.
093 * @throws IllegalArgumentException if some options are invalid.
094 */
095 public static RecordManager createRecordManager( String name, Properties options ) throws IOException
096 {
097 String provider;
098 Class<?> clazz;
099 RecordManagerProvider factory;
100
101 provider = options.getProperty( RecordManagerOptions.PROVIDER_FACTORY, "jdbm.recman.Provider" );
102
103 try
104 {
105 clazz = Thread.currentThread().getContextClassLoader().loadClass( provider );
106 factory = ( RecordManagerProvider ) clazz.newInstance();
107 }
108 catch ( Exception except )
109 {
110 throw new IllegalArgumentException( I18n.err( I18n.ERR_567, provider, except.getClass().getName(),
111 except.getLocalizedMessage() ) );
112 }
113
114 return factory.createRecordManager( name, options );
115 }
116 }