sample.tomcat.jndi.SampleTomcatJndiApplication.java Source code

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Here is the source code for sample.tomcat.jndi.SampleTomcatJndiApplication.java

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/*
 * Copyright 2012-2014 the original author or authors.
 *
 * 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 sample.tomcat.jndi;

import javax.naming.NamingException;
import javax.sql.DataSource;

import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.deploy.ContextResource;
import org.apache.catalina.startup.Tomcat;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer;
import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jndi.JndiObjectFactoryBean;
import org.springframework.util.ClassUtils;

@Configuration
@ComponentScan
@EnableAutoConfiguration
public class SampleTomcatJndiApplication {

    public static void main(String[] args) {
        SpringApplication.run(SampleTomcatJndiApplication.class, args);
    }

    @Bean
    public TomcatEmbeddedServletContainerFactory tomcatFactory() {
        return new TomcatEmbeddedServletContainerFactory() {

            @Override
            protected TomcatEmbeddedServletContainer getTomcatEmbeddedServletContainer(Tomcat tomcat) {
                tomcat.enableNaming();
                TomcatEmbeddedServletContainer container = super.getTomcatEmbeddedServletContainer(tomcat);
                Container context = container.getTomcat().getHost().findChild("");
                ClassUtils.overrideThreadContextClassLoader(context.getLoader().getClassLoader());
                return container;
            }

            @Override
            protected void postProcessContext(Context context) {
                ContextResource resource = new ContextResource();
                resource.setName("jdbc/myDataSource");
                resource.setType(DataSource.class.getName());
                resource.setProperty("driverClassName", "org.hsqldb.jdbc.JDBCDriver");
                resource.setProperty("url", "jdbc:hsqldb:mem:mymemdb");

                context.getNamingResources().addResource(resource);
            }
        };
    }

    @Bean(destroyMethod = "")
    public DataSource jndiDataSource() throws IllegalArgumentException, NamingException {
        JndiObjectFactoryBean bean = new JndiObjectFactoryBean();
        bean.setJndiName("java:comp/env/jdbc/myDataSource");
        bean.setProxyInterface(DataSource.class);
        bean.setLookupOnStartup(false);
        bean.afterPropertiesSet();
        return (DataSource) bean.getObject();
    }
}