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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.DirectoryScanner;
import org.apache.tools.ant.types.resources.FileResourceIterator;
/**
* Subclass as hint for supporting tasks that the included directories
* instead of files should be used.
*
* @since Ant 1.5
*/
public class DirSet extends AbstractFileSet implements ResourceCollection {
/**
* Constructor for DirSet.
*/
public DirSet() {
super();
}
/**
* Constructor for DirSet, with DirSet to shallowly clone.
* @param dirset the dirset to clone.
*/
protected DirSet(DirSet dirset) {
super(dirset);
}
/**
* Return a DirSet that has the same basedir and same patternsets
* as this one.
* @return the cloned dirset.
*/
public Object clone() {
if (isReference()) {
return ((DirSet) 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 ((DirSet) getRef(getProject())).iterator();
}
return new FileResourceIterator(getProject(), getDir(getProject()),
getDirectoryScanner(getProject()).getIncludedDirectories());
}
/**
* Fulfill the ResourceCollection contract.
* @return number of elements as int.
* @since Ant 1.7
*/
public int size() {
if (isReference()) {
return ((DirSet) getRef(getProject())).size();
}
return getDirectoryScanner(getProject()).getIncludedDirsCount();
}
/**
* Always returns true.
* @return true indicating that all elements will be FileResources.
* @since Ant 1.7
*/
public boolean isFilesystemOnly() {
return true;
}
/**
* Returns included directories as a list of semicolon-separated paths.
*
* @return a <code>String</code> of included directories.
*/
public String toString() {
DirectoryScanner ds = getDirectoryScanner(getProject());
String[] dirs = ds.getIncludedDirectories();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < dirs.length; i++) {
if (i > 0) {
sb.append(';');
}
sb.append(dirs[i]);
}
return sb.toString();
}
}
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