| /******************************************************************************* |
| * Copyright (c) 2009, 2017 Cloudsmith Inc. 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: |
| * Cloudsmith Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.metadata.expression; |
| |
| import org.eclipse.equinox.p2.metadata.VersionRange; |
| |
| /** |
| * A function that creates a {@link VersionRange} from a String |
| */ |
| public final class RangeFunction extends Function { |
| |
| public RangeFunction(Expression[] operands) { |
| super(assertLength(operands, 1, 1, KEYWORD_RANGE)); |
| } |
| |
| @Override |
| boolean assertSingleArgumentClass(Object v) { |
| return v instanceof String; |
| } |
| |
| @Override |
| Object createInstance(Object arg) { |
| return VersionRange.create((String) arg); |
| } |
| |
| @Override |
| public String getOperator() { |
| return KEYWORD_RANGE; |
| } |
| } |