| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.shared.ldap.jndi; |
| |
| |
| import java.util.Hashtable; |
| |
| import javax.naming.Context; |
| import javax.naming.NamingException; |
| import javax.naming.spi.InitialContextFactory; |
| |
| |
| /** |
| * A context factory that delegates calls to the underlying JNDI |
| * implementation of the JVM. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class UniversalContextFactory implements InitialContextFactory |
| { |
| |
| /** The Constant SUN_ICF_FQCN. */ |
| private static final String SUN_ICF_FQCN = "com.sun.jndi.ldap.LdapCtxFactory"; |
| |
| /** The Constant IBM_ICF_FQCN. */ |
| private static final String IBM_ICF_FQCN = "com.ibm.jndi.LDAPCtxFactory"; |
| |
| /** The Constant BEA_ICF_FQCN. */ |
| private static final String BEA_ICF_FQCN = SUN_ICF_FQCN; // BEA JRocket might use SUN classes |
| |
| /** The Constant ORACLE_FQCN. */ |
| private static final String ORACLE_FQCN = BEA_ICF_FQCN; // Oracle JRocket is the former BEA JRockit |
| |
| /** The Constant ICF_FQCN. */ |
| private static final String ICF_FQCN; |
| |
| static |
| { |
| // ------------------------------------------------------------------- |
| // for lack of a better approach we're just checking the JVM here and |
| // setting the ICF_FQCN based on that using a bunch of conditional tests |
| // ------------------------------------------------------------------- |
| |
| String jvmVendor = System.getProperty( "java.vm.vendor" ); |
| |
| if ( jvmVendor.equalsIgnoreCase( "SUN Microsystems, Inc." ) ) |
| { |
| ICF_FQCN = SUN_ICF_FQCN; |
| } |
| else if ( jvmVendor.equalsIgnoreCase( "BEA Systems, Inc." ) ) |
| { |
| ICF_FQCN = ORACLE_FQCN; |
| } |
| else if ( jvmVendor.equalsIgnoreCase( "Oracle Corporation" ) ) |
| { |
| ICF_FQCN = BEA_ICF_FQCN; |
| } |
| else if ( jvmVendor.equalsIgnoreCase( "IBM, Inc." ) ) |
| { |
| ICF_FQCN = IBM_ICF_FQCN; |
| } |
| else |
| { |
| ICF_FQCN = "Unknown"; |
| } |
| } |
| |
| /** The initial context factory. */ |
| private final InitialContextFactory factory; |
| |
| |
| /** |
| * Instantiates a new universal context factory. |
| * |
| * @throws InstantiationException if this Class represents an abstract class, an interface, |
| * an array class, a primitive type, or void; or if the class has no nullary constructor; |
| * or if the instantiation fails for some other reason. |
| * @throws IllegalAccessException if the class or its nullary constructor is not accessible |
| * @throws ClassNotFoundException if the class cannot be located |
| */ |
| public UniversalContextFactory() throws InstantiationException, IllegalAccessException, ClassNotFoundException |
| { |
| factory = ( InitialContextFactory ) Class.forName( ICF_FQCN ).newInstance(); |
| } |
| |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Context getInitialContext( Hashtable<?, ?> env ) throws NamingException |
| { |
| return factory.getInitialContext( env ); |
| } |
| } |