| /* |
| * 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 iterator() { |
| if (isReference()) { |
| return ((DirSet) getRef(getProject())).iterator(); |
| } |
| return new FileResourceIterator(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(); |
| } |
| |
| } |