1 /** 2 * JDBM LICENSE v1.00 3 * 4 * Redistribution and use of this software and associated documentation 5 * ("Software"), with or without modification, are permitted provided 6 * that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain copyright 9 * statements and notices. Redistributions must also contain a 10 * copy of this document. 11 * 12 * 2. Redistributions in binary form must reproduce the 13 * above copyright notice, this list of conditions and the 14 * following disclaimer in the documentation and/or other 15 * materials provided with the distribution. 16 * 17 * 3. The name "JDBM" must not be used to endorse or promote 18 * products derived from this Software without prior written 19 * permission of Cees de Groot. For written permission, 20 * please contact cg@cdegroot.com. 21 * 22 * 4. Products derived from this Software may not be called "JDBM" 23 * nor may "JDBM" appear in their names without prior written 24 * permission of Cees de Groot. 25 * 26 * 5. Due credit should be given to the JDBM Project 27 * (http://jdbm.sourceforge.net/). 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 31 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 33 * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 34 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 35 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 36 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 40 * OF THE POSSIBILITY OF SUCH DAMAGE. 41 * 42 * Copyright 2000 (C) Cees de Groot. All Rights Reserved. 43 * Copyright 2000-2001 (C) Alex Boisvert. All Rights Reserved. 44 * Contributions are Copyright (C) 2000 by their associated contributors. 45 * 46 * $Id: RecordManagerFactory.java,v 1.2 2005/06/25 23:12:31 doomdark Exp $ 47 */ 48 49 package jdbm; 50 51 import java.io.IOException; 52 import java.util.Properties; 53 54 /** 55 * This is the factory class to use for instantiating {@link RecordManager} 56 * instances. 57 * 58 * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a> 59 * @author <a href="cg@cdegroot.com">Cees de Groot</a> 60 * @version $Id: RecordManagerFactory.java,v 1.2 2005/06/25 23:12:31 doomdark Exp $ 61 */ 62 public final class RecordManagerFactory 63 { 64 65 /** 66 * Create a record manager. 67 * 68 * @param name Name of the record file. 69 * @throws IOException if an I/O related exception occurs while creating 70 * or opening the record manager. 71 * @throws UnsupportedOperationException if some options are not supported by the 72 * implementation. 73 * @throws IllegalArgumentException if some options are invalid. 74 */ 75 public static RecordManager createRecordManager( String name ) 76 throws IOException 77 { 78 return createRecordManager( name, new Properties() ); 79 } 80 81 82 /** 83 * Create a record manager. 84 * 85 * @param name Name of the record file. 86 * @param options Record manager options. 87 * @throws IOException if an I/O related exception occurs while creating 88 * or opening the record manager. 89 * @throws UnsupportedOperationException if some options are not supported by the 90 * implementation. 91 * @throws IllegalArgumentException if some options are invalid. 92 */ 93 public static RecordManager createRecordManager( String name, 94 Properties options ) 95 throws IOException 96 { 97 String provider; 98 Class clazz; 99 RecordManagerProvider factory; 100 101 provider = options.getProperty( RecordManagerOptions.PROVIDER_FACTORY, 102 "jdbm.recman.Provider" ); 103 104 try { 105 clazz = Thread.currentThread().getContextClassLoader().loadClass( provider ); 106 factory = (RecordManagerProvider) clazz.newInstance(); 107 } catch ( Exception except ) { 108 throw new IllegalArgumentException( "Invalid record manager provider: " 109 + provider 110 + "\n[" + except.getClass().getName() 111 + ": " + except.getMessage() 112 + "]" ); 113 } 114 return factory.createRecordManager( name, options ); 115 } 116 117 }