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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package org.graalvm.visualvm.jvm;

import org.graalvm.visualvm.application.Application;
import org.graalvm.visualvm.application.jvm.Jvm;
import org.graalvm.visualvm.core.model.AbstractModelProvider;
import org.graalvm.visualvm.tools.jmx.JmxModel;
import org.graalvm.visualvm.tools.jmx.JmxModelFactory;
import org.graalvm.visualvm.tools.jmx.JvmMXBeans;
import org.graalvm.visualvm.tools.jvmstat.JvmstatModel;
import org.graalvm.visualvm.tools.jvmstat.JvmstatModelFactory;

/**
 *
 * @author Tomas Hurka
 */
class JvmProvider extends AbstractModelProvider<Jvm, Application> {

    public Jvm createModelFor(Application app) {
        JvmstatModel jvmstat = JvmstatModelFactory.getJvmstatFor(app);
        JVMImpl jvm = null;
        if (jvmstat != null) {
            jvm = new JVMImpl(app, jvmstat);
        } else {
            JmxModel jmxModel = JmxModelFactory.getJmxModelFor(app);
            if (jmxModel != null && jmxModel.getConnectionState() == JmxModel.ConnectionState.CONNECTED) {
                JvmMXBeans jmx = jmxModel.getJvmMXBeans();
                if (jmx != null && jmx.getRuntimeMXBean() != null) {
                    jvm = new JVMImpl(app);
                }
            }
        }
        return jvm;
    }
}
