| /* |
| |
| Derby - Class org.apache.derbyTesting.functionTests.util.PropertyUtil |
| |
| 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.derbyTesting.functionTests.util; |
| |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| import org.apache.derby.iapi.services.context.Context; |
| import org.apache.derby.iapi.services.context.ContextService; |
| import org.apache.derby.iapi.sql.conn.LanguageConnectionContext; |
| import java.io.Serializable; |
| /** |
| A bread for the internalUtil class |
| */ |
| public abstract class PropertyUtil extends org.apache.derby.iapi.util.PropertyUtil |
| { |
| public static Serializable getDatabasePropertyDefault(String k) throws Exception |
| { |
| LanguageConnectionContext lcc = |
| (LanguageConnectionContext) getContextOrNull(LanguageConnectionContext.CONTEXT_ID); |
| if (lcc == null) throw new Exception("getPropertyDefault only works in a connection"); |
| return lcc.getTransactionExecute().getPropertyDefault(k); |
| } |
| public static void setDatabasePropertyDefault(String k,Serializable v) throws Exception |
| { |
| LanguageConnectionContext lcc = |
| (LanguageConnectionContext) getContextOrNull(LanguageConnectionContext.CONTEXT_ID); |
| if (lcc == null) throw new Exception("getPropertyDefault only works in a connection"); |
| lcc.getTransactionExecute().setPropertyDefault(k,v); |
| } |
| |
| /** |
| * Privileged lookup of a Context. Must be private so that user code |
| * can't call this entry point. |
| */ |
| private static Context getContextOrNull( final String contextID ) |
| { |
| if ( System.getSecurityManager() == null ) |
| { |
| return ContextService.getContextOrNull( contextID ); |
| } |
| else |
| { |
| return AccessController.doPrivileged |
| ( |
| new PrivilegedAction<Context>() |
| { |
| public Context run() |
| { |
| return ContextService.getContextOrNull( contextID ); |
| } |
| } |
| ); |
| } |
| } |
| |
| } |