| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed 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.commons.jelly.tags.ojb; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.ojb.broker.PersistenceBroker; |
| import org.apache.ojb.broker.PersistenceBrokerFactory; |
| |
| /** |
| * <p>Tag handler for <Driver> in JSTL, used to create |
| * a simple DataSource for prototyping.</p> |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.4 $ |
| */ |
| public class BrokerTag extends TagSupport { |
| |
| /** The variable name to export. */ |
| private String var; |
| |
| /** The persistence broker instance */ |
| private PersistenceBroker broker; |
| |
| public BrokerTag() { |
| } |
| |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(XMLOutput output) throws JellyTagException { |
| if ( var == null ) { |
| var = "org.apache.commons.jelly.ojb.Broker"; |
| } |
| if ( broker != null ) { |
| context.setVariable(var, broker); |
| invokeBody(output); |
| } |
| else { |
| broker = PersistenceBrokerFactory.defaultPersistenceBroker(); |
| context.setVariable(var, broker); |
| |
| try { |
| invokeBody(output); |
| } |
| finally { |
| broker.close(); |
| broker = null; |
| context.removeVariable(var); |
| } |
| } |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| /** Sets the variable name to define for this expression |
| */ |
| public void setVar(String var) { |
| this.var = var; |
| } |
| |
| /** @return the persistence broker instance */ |
| public PersistenceBroker getBroker() { |
| return broker; |
| } |
| |
| /** Sets the persistence broker instance */ |
| public void setBroker(PersistenceBroker broker) { |
| this.broker = broker; |
| } |
| } |