/**
* 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.superbiz.calculator.lookupclient;
import org.superbiz.osgi.calculator.CalculatorLocal;
import javax.annotation.PostConstruct;
import javax.ejb.EJB;
import javax.ejb.Singleton;
import javax.ejb.Startup;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import java.util.Properties;
@Singleton
@Startup
public class SingletonCalculatorClient {
@EJB
private CalculatorLocal calculator;
@PostConstruct
public void logInit() {
System.out.println();
checkCalculator();
tryLookup();
System.out.println();
}
private void tryLookup() {
Properties p = new Properties();
p.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.core.LocalInitialContextFactory");
try {
Context ctx = new InitialContext(p);
CalculatorLocal local = (CalculatorLocal) ctx.lookup("CalculatorBeanLocal");
System.out.println("lookup OK: " + local.sayHello());
} catch (NamingException e) {
System.out.println("can't lookup bean: " + e.getMessage());
}
}
private void checkCalculator() {
if (calculator == null) {
System.out.println(calculator + " is null -> FAILED!");
} else {
System.out.println("calculator OK: " + calculator.sayHello());
}
}
}