| /* |
| * 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.resources.selectors; |
| |
| import org.apache.tools.ant.types.Resource; |
| import org.apache.tools.ant.types.Comparison; |
| |
| /** |
| * Size ResourceSelector. |
| * @since Ant 1.7 |
| */ |
| public class Size implements ResourceSelector { |
| private long size = -1; |
| private Comparison when = Comparison.EQUAL; |
| |
| /** |
| * Set the size to compare against. |
| * @param l the long resource size. |
| */ |
| public void setSize(long l) { |
| size = l; |
| } |
| |
| /** |
| * Get the size compared to by this Size ResourceSelector. |
| * @return the long resource size. |
| */ |
| public long getSize() { |
| return size; |
| } |
| |
| /** |
| * Set the comparison mode. |
| * @param c a Comparison object. |
| */ |
| public void setWhen(Comparison c) { |
| when = c; |
| } |
| |
| /** |
| * Get the comparison mode. |
| * @return a Comparison object. |
| */ |
| public Comparison getWhen() { |
| return when; |
| } |
| |
| /** |
| * Return true if this Resource is selected. |
| * @param r the Resource to check. |
| * @return whether the Resource was selected. |
| */ |
| public boolean isSelected(Resource r) { |
| long diff = r.getSize() - size; |
| return when.evaluate(diff == 0 ? 0 : (int) (diff / Math.abs(diff))); |
| } |
| |
| } |