| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.tools.ant.types.selectors; |
| |
| |
| /** |
| * This selector has one other selectors whose meaning it inverts. It |
| * actually relies on NoneSelector for its implementation of the |
| * isSelected() method, but it adds a check to ensure there is only one |
| * other selector contained within. |
| * |
| * @since 1.5 |
| */ |
| public class NotSelector extends NoneSelector { |
| |
| /** |
| * Default constructor. |
| */ |
| public NotSelector() { |
| } |
| |
| /** |
| * Constructor that inverts the meaning of its argument. |
| * @param other the selector to invert |
| * @since Ant 1.7 |
| */ |
| public NotSelector(FileSelector other) { |
| this(); |
| appendSelector(other); |
| } |
| |
| /** |
| * @return a string representation of the selector |
| */ |
| public String toString() { |
| StringBuffer buf = new StringBuffer(); |
| if (hasSelectors()) { |
| buf.append("{notselect: "); |
| buf.append(super.toString()); |
| buf.append("}"); |
| } |
| return buf.toString(); |
| } |
| |
| /** |
| * Makes sure that there is only one entry, sets an error message if |
| * not. |
| */ |
| public void verifySettings() { |
| if (selectorCount() != 1) { |
| setError("One and only one selector is allowed within the " |
| + "<not> tag"); |
| } |
| } |
| |
| } |
| |