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/*******************************************************************************
* Copyright (c) 2011 IBM Corporation and others.
*
* This
* program and the accompanying materials are made available under the terms of
* the Eclipse Public License 2.0 which accompanies this distribution, and is
* available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions;
import java.io.File;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.internal.p2.touchpoint.eclipse.EclipseTouchpoint;
import org.eclipse.equinox.internal.p2.touchpoint.eclipse.Util;
import org.eclipse.equinox.internal.provisional.frameworkadmin.LauncherData;
import org.eclipse.equinox.internal.provisional.frameworkadmin.Manipulator;
import org.eclipse.equinox.p2.engine.spi.ProvisioningAction;
import org.eclipse.osgi.util.NLS;
/**
* Touchpoint action which allows the user to set the -vm parameter in the
* eclipse.ini file.
*
*/
public class SetJvmAction extends ProvisioningAction {
public static final String ID = "setJvm"; //$NON-NLS-1$
@Override
public IStatus execute(Map<String, Object> parameters) {
String jvmArg = (String) parameters.get(ActionConstants.PARM_JVM);
if (jvmArg == null)
return Util.createError(NLS.bind(Messages.parameter_not_set, ActionConstants.PARM_JVM, ID));
LauncherData launcherData = ((Manipulator) parameters.get(EclipseTouchpoint.PARM_MANIPULATOR))
.getLauncherData();
File previous = launcherData.getJvm();
File jvm = "null".equals(jvmArg) ? null : new File(jvmArg); //$NON-NLS-1$
// make a backup - even if it is null
getMemento().put(ActionConstants.PARM_PREVIOUS_VALUE, previous == null ? null : previous.getPath());
launcherData.setJvm(jvm);
return Status.OK_STATUS;
}
@Override
public IStatus undo(Map<String, Object> parameters) {
String jvmArg = (String) parameters.get(ActionConstants.PARM_JVM);
if (jvmArg == null)
return Util.createError(NLS.bind(Messages.parameter_not_set, ActionConstants.PARM_JVM, ID));
// make a backup - even if it is null
String previous = (String) getMemento().get(ActionConstants.PARM_PREVIOUS_VALUE);
LauncherData launcherData = ((Manipulator) parameters.get(EclipseTouchpoint.PARM_MANIPULATOR))
.getLauncherData();
launcherData.setJvm(previous == null ? null : new File(previous));
return Status.OK_STATUS;
}
}
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