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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;
import java.util.Iterator;
import org.apache.tools.ant.types.resources.FileResourceIterator;
/**
* Moved out of MatchingTask to make it a standalone object that could
* be referenced (by scripts for example).
*
*/
public class FileSet extends AbstractFileSet implements ResourceCollection {
/**
* Constructor for FileSet.
*/
public FileSet() {
super();
}
/**
* Constructor for FileSet, with FileSet to shallowly clone.
* @param fileset the fileset to clone
*/
protected FileSet(FileSet fileset) {
super(fileset);
}
/**
* Return a FileSet that has the same basedir and same patternsets
* as this one.
* @return the cloned fileset
*/
public Object clone() {
if (isReference()) {
return ((FileSet) getRef(getProject())).clone();
} else {
return super.clone();
}
}
/**
* Fulfill the ResourceCollection contract.
* @return an Iterator of Resources.
* @since Ant 1.7
*/
public Iterator<Resource> iterator() {
if (isReference()) {
return ((FileSet) getRef(getProject())).iterator();
}
return new FileResourceIterator(getProject(), getDir(getProject()),
getDirectoryScanner(getProject()).getIncludedFiles());
}
/**
* Fulfill the ResourceCollection contract.
* @return number of elements as int.
* @since Ant 1.7
*/
public int size() {
if (isReference()) {
return ((FileSet) getRef(getProject())).size();
}
return getDirectoryScanner(getProject()).getIncludedFilesCount();
}
/**
* Always returns true.
* @return true indicating that all elements will be FileResources.
* @since Ant 1.7
*/
public boolean isFilesystemOnly() {
return true;
}
}
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