examples/simple-web-cluster/src/main/java/org/apache/brooklyn/demo/SingleWebServerExample.java

/*
 * 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
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 */
package org.apache.brooklyn.demo;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.core.entity.AbstractApplication;
import org.apache.brooklyn.core.entity.Attributes;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.entity.StartableApplication;
import org.apache.brooklyn.core.location.PortRanges;
import org.apache.brooklyn.entity.webapp.JavaWebAppService;
import org.apache.brooklyn.entity.webapp.jboss.JBoss7Server;
import org.apache.brooklyn.launcher.BrooklynLauncher;
import org.apache.brooklyn.util.CommandLineUtil;

import com.google.common.collect.Lists;

/** This example starts one web app on 8080, waits for a keypress, then stops it. */
public class SingleWebServerExample extends AbstractApplication {

    public static final Logger LOG = LoggerFactory.getLogger(SingleWebServerExample.class);

    private static final String WAR_PATH = "classpath://hello-world-webapp.war";

    @Override
    public void initApp() {
        addChild(EntitySpec.create(JBoss7Server.class)
                .configure(JavaWebAppService.ROOT_WAR, WAR_PATH)
                .configure(Attributes.HTTP_PORT, PortRanges.fromString("8080+")));
    }

    // Shows how to use ApplicationBuilder without sub-classing, but for CLI usage one should sub-class
    public static void main(String[] argv) throws Exception {
        List<String> args = Lists.newArrayList(argv);
        String port =  CommandLineUtil.getCommandLineOption(args, "--port", "8081+");
        String location = CommandLineUtil.getCommandLineOption(args, "--location", "localhost");

        BrooklynLauncher launcher = BrooklynLauncher.newInstance()
                .application(EntitySpec.create(StartableApplication.class, SingleWebServerExample.class).displayName("Brooklyn WebApp example"))
                .restServerPort(port)
                .location(location)
                .start();
         
        Entities.dumpInfo(launcher.getApplications());
    }
}