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Apache Ant Source Code Files
Apache Ant Source Code Files are inside the Apache Ant source package file like apache-ant-1.10.10-src.zip. Unzip the source package file and go to the "src/main" sub-directory, you will see source code files.
Here is the list of Java source code files of the Apache Ant 1.10.10 in \Users\fyicenter\apache-ant-1.10.10\src\main:
✍: FYIcenter.com
⏎ org/apache/tools/ant/types/resources/LazyResourceCollectionWrapper.java
/* * 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 * * https://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; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.NoSuchElementException; import java.util.function.Supplier; import org.apache.tools.ant.types.Resource; /** * Resource collection which load underlying resource collection only on demand * with support for caching */ public class LazyResourceCollectionWrapper extends AbstractResourceCollectionWrapper { /** List of cached resources */ private final List<Resource> cachedResources = new ArrayList<>(); private Iterator<Resource> filteringIterator; private final Supplier<Iterator<Resource>> filteringIteratorSupplier = () -> new FilteringIterator(getResourceCollection().iterator()); @Override protected Iterator<Resource> createIterator() { if (isCache()) { if (filteringIterator == null) { // no worry of thread safety here, see function's contract filteringIterator = filteringIteratorSupplier.get(); } return new CachedIterator(filteringIterator); } return filteringIteratorSupplier.get(); } @Override protected int getSize() { // to compute the size, just iterate: the iterator will take care of // caching final Iterator<Resource> it = createIterator(); int size = 0; while (it.hasNext()) { it.next(); size++; } return size; } /** * Specify if the resource should be filtered or not. This function should * be overridden in order to define the filtering algorithm * * @param r resource considered for filtration * @return whether the resource should be filtered or not */ protected boolean filterResource(final Resource r) { return false; } private class FilteringIterator implements Iterator<Resource> { Resource next = null; boolean ended = false; protected final Iterator<Resource> it; FilteringIterator(final Iterator<Resource> it) { this.it = it; } @Override public boolean hasNext() { if (ended) { return false; } while (next == null) { if (!it.hasNext()) { ended = true; return false; } next = it.next(); if (filterResource(next)) { next = null; } } return true; } @Override public Resource next() { if (!hasNext()) { throw new UnsupportedOperationException(); } final Resource r = next; next = null; return r; } } /** * Iterator that will put in the shared cache array list the selected * resources */ private class CachedIterator implements Iterator<Resource> { int cursor = 0; private final Iterator<Resource> it; /** * Default constructor * * @param it * the iterator which will provide the resources to put in * cache */ public CachedIterator(final Iterator<Resource> it) { this.it = it; } @Override public boolean hasNext() { synchronized (cachedResources) { // have we already cached the next entry ? if (cachedResources.size() > cursor) { return true; } // does the wrapped iterator any more resource ? if (!it.hasNext()) { return false; } // put in cache the next resource final Resource r = it.next(); cachedResources.add(r); } return true; } @Override public Resource next() { // first check that we have some to deliver if (!hasNext()) { throw new NoSuchElementException(); } synchronized (cachedResources) { // return the cached entry as hasNext should have put one for // this iterator return cachedResources.get(cursor++); } } @Override public void remove() { throw new UnsupportedOperationException(); } } }
⏎ org/apache/tools/ant/types/resources/LazyResourceCollectionWrapper.java
Or download all of them as a single archive file:
File name: apache-ant-1.10.10-fyi.zip File size: 2392938 bytes Release date: 2021-04-17 Download
⇐ Download Apache Ant Source Package
2021-07-10, 110933👍, 0💬
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