TraceArgumentsTab.java

/*******************************************************************************
 * Copyright (c) 2009 the CHISEL group and contributors.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     the CHISEL group - initial API and implementation
 *******************************************************************************/
package ca.uvic.chisel.javasketch.launching.internal;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.jdt.debug.ui.launchConfigurations.JavaArgumentsTab;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;

/**
 * Extension to the JavaArumentsTab which just adds the -Xshare:off argument
 * to the virtual machine arguments list.
 * @author Del
 *
 */
public class TraceArgumentsTab extends JavaArgumentsTab {
	
	/* (non-Javadoc)
	 * @see org.eclipse.jdt.debug.ui.launchConfigurations.JavaArgumentsTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	 */
	@Override
	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
		super.setDefaults(config);
		String vmargs;
		try {
			vmargs = config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, "");
			if (!vmargs.contains("-Xshare:off")) {
				vmargs = "-Xshare:off " + vmargs;
				config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, vmargs);
			}
		} catch (CoreException e) {
			//ignore
		}
	}

}