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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.selectors;
import java.io.File;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.resources.FileProvider;
import org.apache.tools.ant.types.resources.selectors.ResourceSelector;
/**
* A selector that selects readable files.
*
* <p>Readable is defined in terms of java.io.File#canRead, this
* means the selector will accept any file that exists and is readable
* by the application.</p>
*
* @since Ant 1.8.0
*/
public class ReadableSelector implements FileSelector, ResourceSelector {
public boolean isSelected(File basedir, String filename, File file) {
return file != null && file.canRead();
}
public boolean isSelected(Resource r) {
FileProvider fp = r.as(FileProvider.class);
if (fp != null) {
return isSelected(null, null, fp.getFile());
}
return false;
}
}
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