01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.tools.ant.types.resources.selectors;
19:
20: import org.apache.tools.ant.types.Resource;
21: import org.apache.tools.ant.types.Comparison;
22:
23: /**
24: * Size ResourceSelector.
25: * @since Ant 1.7
26: */
27: public class Size implements ResourceSelector {
28: private long size = -1;
29: private Comparison when = Comparison.EQUAL;
30:
31: /**
32: * Set the size to compare against.
33: * @param l the long resource size.
34: */
35: public void setSize(long l) {
36: size = l;
37: }
38:
39: /**
40: * Get the size compared to by this Size ResourceSelector.
41: * @return the long resource size.
42: */
43: public long getSize() {
44: return size;
45: }
46:
47: /**
48: * Set the comparison mode.
49: * @param c a Comparison object.
50: */
51: public void setWhen(Comparison c) {
52: when = c;
53: }
54:
55: /**
56: * Get the comparison mode.
57: * @return a Comparison object.
58: */
59: public Comparison getWhen() {
60: return when;
61: }
62:
63: /**
64: * Return true if this Resource is selected.
65: * @param r the Resource to check.
66: * @return whether the Resource was selected.
67: */
68: public boolean isSelected(Resource r) {
69: long diff = r.getSize() - size;
70: return when.evaluate(diff == 0 ? 0 : (int) (diff / Math
71: .abs(diff)));
72: }
73:
74: }
|