JmxModelProvider.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * accompanied this code).
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package com.sun.tools.visualvm.jmx.impl;

import com.sun.tools.visualvm.core.model.AbstractModelProvider;
import com.sun.tools.visualvm.core.model.ModelProvider;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.tools.jmx.JmxModel;
import com.sun.tools.visualvm.tools.jvmstat.JvmstatModel;
import com.sun.tools.visualvm.tools.jvmstat.JvmstatModelFactory;

/**
 * The {@code JmxModelFactory} class is a factory class for getting
 * the {@link JmxModel} representation for the {@link Application}.
 *
 * @author Luis-Miguel Alventosa
 */
public class JmxModelProvider extends AbstractModelProvider<JmxModel, Application> {
    
    
    /**
     * Default {@link ModelProvider} implementation for {@link JmxModel}.
     *
     * In order to extend the {@code JmxModelFactory} to register your
     * own {@link JmxModel}s for the different types of {@link Application}
     * call {@link JmxModelFactory#registerProvider(ModelProvider)} supplying
     * the new instance of {@link ModelProvider}.
     *
     * @param app application.
     *
     * @return an instance of {@link JmxModel}.
     */
    public JmxModel createModelFor(Application app) {
        JvmstatModel jvmstat;
        
        if (app instanceof JmxApplication) {
            return new JmxModelImpl((JmxApplication) app);
        }
        jvmstat = JvmstatModelFactory.getJvmstatFor(app);
        if (jvmstat != null) {
            return new JmxModelImpl(app,jvmstat);
        }
        return null;
    }
}