| /* |
| * 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.fortress.realm; |
| |
| import org.apache.directory.fortress.core.util.Config; |
| import org.apache.directory.fortress.core.SecurityException; |
| import org.apache.directory.fortress.core.GlobalErrIds; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Creates an instance of the J2eePolicyMgr object. |
| * <p/> |
| * The default implementation class is specified as {@link #J2EE_POLICYMGR_DEFAULT_CLASS} but can be overridden by |
| * adding the {@link #J2EE_POLICYMGR_IMPLEMENTATION} config property. |
| * <p/> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class J2eePolicyMgrFactory |
| { |
| // disallow construction |
| private J2eePolicyMgrFactory() |
| { |
| } |
| |
| /** |
| * When this optional tag, {@code realmImplementation}, is placed in Fortress properties, its class name will be the default {@code org.apache.directory.fortress.core.security.RealmMgr} instance used. |
| */ |
| private static final String J2EE_POLICYMGR_IMPLEMENTATION = "realmImplementation"; |
| private static final String J2EE_POLICYMGR_DEFAULT_CLASS = J2eePolicyMgrImpl.class.getName(); |
| private static final String CLS_NM = J2eePolicyMgrFactory.class.getName(); |
| private static final Logger LOG = LoggerFactory.getLogger( CLS_NM ); |
| private static String j2eeClassName = Config.getProperty( J2EE_POLICYMGR_IMPLEMENTATION ); |
| |
| /** |
| * Create and return a reference to {@link J2eePolicyMgr} object. |
| * |
| * @return instance of {@link J2eePolicyMgr}. |
| * @throws org.apache.directory.fortress.core.SecurityException in the event of failure during instantiation. |
| */ |
| public static J2eePolicyMgr createInstance() throws SecurityException |
| { |
| J2eePolicyMgr realmMgr; |
| |
| try |
| { |
| if ( ( j2eeClassName == null ) || ( j2eeClassName.length() == 0 ) ) |
| { |
| j2eeClassName = J2EE_POLICYMGR_DEFAULT_CLASS; |
| LOG.debug( "{}.createInstance [{}], not found.", CLS_NM, J2EE_POLICYMGR_IMPLEMENTATION ); |
| LOG.debug( "{}.createInstance use default [{}], not found.", CLS_NM, J2EE_POLICYMGR_DEFAULT_CLASS ); |
| } |
| |
| realmMgr = (J2eePolicyMgr) Class.forName( j2eeClassName ).newInstance(); |
| } |
| catch ( ClassNotFoundException e ) |
| { |
| String error = CLS_NM + ".createInstance caught java.lang.ClassNotFoundException=" + e; |
| throw new SecurityException( GlobalErrIds.FT_MGR_CLASS_NOT_FOUND, error, e ); |
| } |
| catch ( InstantiationException e ) |
| { |
| String error = CLS_NM + ".createInstance caught java.lang.InstantiationException=" + e; |
| throw new SecurityException( GlobalErrIds.FT_MGR_INST_EXCEPTION, error, e ); |
| } |
| catch ( IllegalAccessException e ) |
| { |
| String error = CLS_NM + ".createInstance caught java.lang.IllegalAccessException=" + e; |
| LOG.error( error ); |
| throw new SecurityException( GlobalErrIds.FT_MGR_ILLEGAL_ACCESS, error, e ); |
| } |
| |
| return realmMgr; |
| } |
| } |