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/*
* 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.Comparison;
import org.apache.tools.ant.types.Resource;
/**
* 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)));
}
}
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