/**
* 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.camel.example.guice.jms;
import java.util.Properties;
import java.util.Set;
import javax.naming.Context;
import com.google.inject.Inject;
import com.google.inject.Injector;
import com.google.inject.Provider;
import com.google.inject.ProvisionException;
import org.apache.camel.CamelContext;
import org.apache.camel.RoutesBuilder;
import org.apache.camel.guice.jndi.JndiBindings;
import org.apache.camel.guice.jndi.internal.JndiContext;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.osgi.CamelContextFactory;
import org.osgi.framework.BundleContext;
public class OSGiCamelContextProvider implements Provider<CamelContext> {
private final CamelContextFactory factory;
@Inject
private Set<RoutesBuilder> routeBuilders;
@Inject
private Injector injector;
public OSGiCamelContextProvider(BundleContext context) {
// In this we can support to run this provider with or without OSGI
if (context != null) {
factory = new CamelContextFactory();
factory.setBundleContext(context);
} else {
factory = null;
}
}
protected Context getJndiContext() {
try {
JndiContext context = new JndiContext(null);
if (injector != null) {
//Feed the empty properties to get the code work
JndiBindings.bindInjectorAndBindings(context, injector, new Properties());
}
return context;
} catch (Exception e) {
throw new ProvisionException("Failed to create JNDI bindings. Reason: " + e, e);
}
}
// set the JndiRegistry to the camel context
protected void updateRegistry(DefaultCamelContext camelContext) {
camelContext.setRegistry(new JndiRegistry(getJndiContext()));
}
public CamelContext get() {
DefaultCamelContext camelContext;
if (factory != null) {
camelContext = factory.createContext();
} else {
camelContext = new DefaultCamelContext();
}
if (routeBuilders != null) {
for (RoutesBuilder builder : routeBuilders) {
try {
camelContext.addRoutes(builder);
} catch (Exception e) {
throw new ProvisionException("Failed to add the router. Reason: " + e, e);
}
}
}
updateRegistry(camelContext);
return camelContext;
}
}