PreferenceInitializer.java

/*
 * Copyright (c) 2007, 2011, 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.eclipse.visualvm.launcher.preferences;

import java.io.File;

import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.jface.preference.IPreferenceStore;

import org.eclipse.visualvm.launcher.Activator;

/**
 * Class used to initialize default preference values.
 */
public class PreferenceInitializer extends AbstractPreferenceInitializer {

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer#initializeDefaultPreferences()
	 */
	public void initializeDefaultPreferences() {
		IPreferenceStore store = Activator.getDefault().getPreferenceStore();
		String JAVA_HOME = System.getProperty("java.home");
		if (JAVA_HOME.endsWith(File.separator + "jre")) {
			JAVA_HOME = JAVA_HOME.substring(0, JAVA_HOME.length() - 4);
		}
		File visualvm = new File(JAVA_HOME + File.separator + "bin" + File.separator + "jvisualvm");
		if (visualvm.exists()) {
			store.setDefault(PreferenceConstants.P_PATH, visualvm.getAbsolutePath());
		} else {
			store.setDefault(PreferenceConstants.P_PATH, "");
		}
		
		store.setDefault(PreferenceConstants.P_JAVAHOME, JAVA_HOME);
//		store.setDefault(PreferenceConstants.P_BOOLEAN, true);
//		store.setDefault(PreferenceConstants.P_CHOICE, "choice2");
//		store.setDefault(PreferenceConstants.P_STRING,
//				"Default value");
	}

}