JavaWebStartApplicationTypeFactory.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * 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 com.sun.tools.visualvm.application.type;

import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.core.model.AbstractModelProvider;
import com.sun.tools.visualvm.application.jvm.Jvm;
import com.sun.tools.visualvm.application.jvm.JvmFactory;

/**
 * Factory which recognizes Java Web Start Application
 * @author Luis-Miguel Alventosa
 */
public class JavaWebStartApplicationTypeFactory
        extends AbstractModelProvider<ApplicationType, Application> {

    private static final String JWS = "-Djnlpx.home=";  // NOI18N

    /**
     * Detects Java Web Start application.
     * @return {@link JavaWebStartApplicationType} instance or <code>null</code>
     * if application is not Java Web Start application
     * @param application Application
     */
    @Override
    public ApplicationType createModelFor(Application application) {
        Jvm jvm = JvmFactory.getJVMFor(application);
        if (jvm.isBasicInfoSupported()) {
            String args = jvm.getJvmArgs();
            int jws_index = args.indexOf(JWS);
            if (jws_index != -1) {
                return new JavaWebStartApplicationType("");
            }
        }
        return null;
    }
}