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 * Copyright (c) 2022, 2022 Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package org.graalvm.visualvm.jfr.streaming.network;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.graalvm.visualvm.application.Application;
import org.graalvm.visualvm.core.ui.DataSourceViewPlugin;
import org.graalvm.visualvm.core.ui.DataSourceViewPluginProvider;
import org.graalvm.visualvm.host.Host;
import org.graalvm.visualvm.host.views.HostViewsSupport;
import org.graalvm.visualvm.jfr.streaming.JFRStream;

/**
 *
 * @author Tomas Hurka
 */
public class NetworkViewPluginProvider extends DataSourceViewPluginProvider<Host> {

    private static final Logger LOGGER = Logger.getLogger(NetworkViewPluginProvider.class.getName());
    private JFRStream rs;

    @Override
    protected DataSourceViewPlugin createPlugin(Host host) {
        return new NetworkViewPlugin(host, NetworkModel.create(host, rs));
    }

    @Override
    protected boolean supportsPluginFor(Host t) {
        if (Host.LOCALHOST.equals(t)) {
            try {
                rs = JFRStream.getFor(Application.CURRENT_APPLICATION);
            } catch (IOException ex) {
                LOGGER.log(Level.WARNING, "supportsPluginFor", ex);
            }
            return rs != null;
        }
        return false;
    }

    private NetworkViewPluginProvider() {
    }

    public static void initialize() {
        HostViewsSupport.sharedInstance().getOverviewView().
                registerPluginProvider(new NetworkViewPluginProvider());
    }
}
