| /*=============================================================================# |
| # Copyright (c) 2009, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.variables.core; |
| |
| import com.ibm.icu.text.DateFormat; |
| import com.ibm.icu.text.SimpleDateFormat; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.variables.IStringVariable; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| |
| /** |
| * Dynamic variable providing the formatted date. |
| * The variable supports a formatting pattern as optional argument. |
| * |
| * It is recommended to overwrite {@link #getTimestamp()} to provide a |
| * constant or special timestamp. |
| * |
| * @see SimpleDateFormat |
| */ |
| @NonNullByDefault |
| public class DateVariable extends DynamicVariable { |
| |
| |
| public DateVariable(final String name, final String description) { |
| super(name, description, true); |
| } |
| |
| public DateVariable(final IStringVariable variable) { |
| super(variable); |
| } |
| |
| |
| protected long getTimestamp() { |
| return System.currentTimeMillis(); |
| } |
| |
| @Override |
| public @Nullable String getValue(final @Nullable String argument) throws CoreException { |
| if (argument == null) { |
| return DateFormat.getDateInstance().format(getTimestamp()); |
| } |
| return new SimpleDateFormat(argument).format(getTimestamp()); |
| } |
| |
| } |