| /******************************************************************************* |
| * 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; |
| } |
| |
| } |