| /******************************************************************************* |
| * Copyright (c) 2008, 2010 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.io.IOException; |
| import java.util.Map; |
| import java.util.Properties; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.equinox.internal.p2.touchpoint.eclipse.*; |
| 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; |
| |
| public class RemoveJVMArgumentAction extends ProvisioningAction { |
| public static final String ID = "removeJvmArg"; //$NON-NLS-1$ |
| |
| @Override |
| public IStatus execute(Map<String, Object> parameters) { |
| String jvmArg = (String) parameters.get(ActionConstants.PARM_JVM_ARG); |
| if (jvmArg == null) |
| return Util.createError(NLS.bind(Messages.parameter_not_set, ActionConstants.PARM_JVM_ARG, ID)); |
| removeArg(jvmArg, parameters); |
| return Status.OK_STATUS; |
| } |
| |
| @Override |
| public IStatus undo(Map<String, Object> parameters) { |
| String jvmArg = (String) parameters.get(ActionConstants.PARM_JVM_ARG); |
| if (jvmArg == null) |
| return Util.createError(NLS.bind(Messages.parameter_not_set, ActionConstants.PARM_JVM_ARG, ID)); |
| AddJVMArgumentAction.addArg(jvmArg, parameters); |
| return Status.OK_STATUS; |
| } |
| |
| public static IStatus removeArg(String arg, Map<String, Object> parameters) { |
| LauncherData launcherData = ((Manipulator) parameters.get(EclipseTouchpoint.PARM_MANIPULATOR)) |
| .getLauncherData(); |
| File storageArea = (File) parameters.get(ActionConstants.PARM_PROFILE_DATA_DIRECTORY); |
| |
| try { |
| if (arg.startsWith(AddJVMArgumentAction.XMS)) |
| removeByteArg(arg, AddJVMArgumentAction.XMS, launcherData, storageArea); |
| else if (arg.startsWith(AddJVMArgumentAction.XMX)) |
| removeByteArg(arg, AddJVMArgumentAction.XMX, launcherData, storageArea); |
| else if (arg.startsWith(AddJVMArgumentAction.XX_MAX_PERM_SIZE)) |
| removeByteArg(arg, AddJVMArgumentAction.XX_MAX_PERM_SIZE, launcherData, storageArea); |
| else |
| // Argument with a non-byte value, no special handling |
| launcherData.removeJvmArg(arg); |
| } catch (IOException e) { |
| return new Status(IStatus.ERROR, Activator.ID, Messages.error_processing_vmargs, e); |
| } catch (IllegalArgumentException e) { |
| return new Status(IStatus.ERROR, Activator.ID, Messages.error_processing_vmargs, e); |
| } |
| return Status.OK_STATUS; |
| } |
| |
| private static void removeByteArg(String arg, String flag, LauncherData launcherData, File storageArea) |
| throws IOException { |
| Properties storedValues = AddJVMArgumentAction.load(storageArea); |
| |
| String argValue = arg.substring(flag.length()); |
| String currentArg = AddJVMArgumentAction.getCurrentArg(flag, launcherData.getJvmArgs()); |
| // Check for user changes |
| AddJVMArgumentAction.detectUserValue(currentArg, flag, storedValues); |
| AddJVMArgumentAction.validateValue(arg.substring(flag.length())); |
| |
| removeArg(storedValues, argValue, flag); |
| launcherData.removeJvmArg(currentArg); |
| |
| // Set the argument to use & save stored values |
| AddJVMArgumentAction.setToMax(flag, storedValues, launcherData); |
| AddJVMArgumentAction.save(storedValues, storageArea); |
| } |
| |
| private static void removeArg(Properties storage, String value, String flag) { |
| String[] args = AddJVMArgumentAction.getArgs(storage, flag); |
| for (int i = 0; i < args.length; i++) |
| if (args[i].equals(value)) { |
| args[i] = null; |
| // Stop now that we've removed a matching argument |
| break; |
| } |
| setArgs(storage, flag, args); |
| } |
| |
| private static void setArgs(Properties storedValues, String flag, String[] args) { |
| if (args == null || args.length == 0) |
| // Null or empty list, unset flag |
| storedValues.remove(flag); |
| else { |
| // Build a comma separated list of values for this flag |
| String argString = ""; //$NON-NLS-1$ |
| for (int i = 0; i < args.length; i++) |
| if (args[i] != null) |
| argString += args[i] + ','; |
| |
| if (argString.length() > 0) |
| // Strip the trailing comma |
| storedValues.setProperty(flag, argString.substring(0, argString.length() - 1)); |
| else |
| // Array was full of null values, unset flag |
| storedValues.remove(flag); |
| } |
| } |
| } |