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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.util.List;
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.ConfigData;
import org.eclipse.equinox.internal.provisional.frameworkadmin.Manipulator;
import org.eclipse.equinox.p2.engine.spi.ProvisioningAction;
import org.eclipse.osgi.util.NLS;
public class RemoveProgramPropertyAction extends ProvisioningAction {
public static final String ID = "removeProgramProperty"; //$NON-NLS-1$
@Override
public IStatus execute(Map<String, Object> parameters) {
Manipulator manipulator = (Manipulator) parameters.get(EclipseTouchpoint.PARM_MANIPULATOR);
String propName = (String) parameters.get(ActionConstants.PARM_PROP_NAME);
if (propName == null)
return Util.createError(NLS.bind(Messages.parameter_not_set, ActionConstants.PARM_PROP_NAME, ID));
String propValue = (String) parameters.get(ActionConstants.PARM_PROP_VALUE);
ConfigData data = manipulator.getConfigData();
String previous = data.getProperty(propName);
if (previous == null)
return Status.OK_STATUS;
// make a backup - even if it is null
getMemento().put(ActionConstants.PARM_PREVIOUS_VALUE, previous);
// if the value is null, remove the key/value pair.
if (propValue == null) {
data.setProperty(propName, null);
return Status.OK_STATUS;
}
// Otherwise treat the current value as a comma-separated list and remove
// just the one value that was specified.
List<String> list = AddProgramPropertyAction.convertToList(previous);
// if the value wasn't in the list, then just return
if (!list.remove(propValue))
return Status.OK_STATUS;
// otherwise set the property to the new value, or remove it if it is now empty
propValue = list.isEmpty() ? null : AddProgramPropertyAction.convertToString(list);
data.setProperty(propName, propValue);
return Status.OK_STATUS;
}
@Override
public IStatus undo(Map<String, Object> parameters) {
Manipulator manipulator = (Manipulator) parameters.get(EclipseTouchpoint.PARM_MANIPULATOR);
String propName = (String) parameters.get(ActionConstants.PARM_PROP_NAME);
if (propName == null)
return Util.createError(NLS.bind(Messages.parameter_not_set, ActionConstants.PARM_PROP_NAME, ID));
String previous = (String) getMemento().get(ActionConstants.PARM_PREVIOUS_VALUE);
manipulator.getConfigData().setProperty(propName, previous);
return Status.OK_STATUS;
}
}
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