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Ant example source code file (Size.java)

This example Ant source code file (Size.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

comparison, comparison, resourceselector, resourceselector, size, size

The Size.java source code

/*
 *  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)));
    }

}

Other Ant examples (source code examples)

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