diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java deleted file mode 100644 index 281fa0f1..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java +++ /dev/null @@ -1,268 +0,0 @@ -/* - * 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.resources; - -import java.io.File; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.Iterator; -import java.util.List; -import java.util.Stack; - -import org.apache.tools.ant.BuildException; -import org.apache.tools.ant.Project; -import org.apache.tools.ant.types.DataType; -import org.apache.tools.ant.types.Resource; -import org.apache.tools.ant.types.ResourceCollection; - -/** - * Base class for ResourceCollections that nest multiple ResourceCollections. - * @since Ant 1.7 - */ -public abstract class BaseResourceCollectionContainer - extends DataType implements ResourceCollection, Cloneable { - private List<ResourceCollection> rc = new ArrayList<ResourceCollection>(); - private Collection<Resource> coll = null; - private boolean cache = true; - - /** - * Create a new BaseResourceCollectionContainer. - */ - public BaseResourceCollectionContainer() { - // TODO Auto-generated constructor stub - } - - /** - * Create a new BaseResourceCollectionContainer. - * @since Ant 1.8 - */ - public BaseResourceCollectionContainer(Project project) { - setProject(project); - } - - /** - * Set whether to cache collections. - * @param b boolean cache flag. - */ - public synchronized void setCache(boolean b) { - cache = b; - } - - /** - * Learn whether to cache collections. Default is <code>true</code>. - * @return boolean cache flag. - */ - public synchronized boolean isCache() { - return cache; - } - - /** - * Clear the container. - * @throws BuildException on error. - */ - public synchronized void clear() throws BuildException { - if (isReference()) { - throw noChildrenAllowed(); - } - rc.clear(); - FailFast.invalidate(this); - coll = null; - setChecked(false); - } - - /** - * Add a ResourceCollection to the container. - * @param c the ResourceCollection to add. - * @throws BuildException on error. - */ - public synchronized void add(ResourceCollection c) throws BuildException { - if (isReference()) { - throw noChildrenAllowed(); - } - if (c == null) { - return; - } - if (Project.getProject(c) == null) { - Project p = getProject(); - if (p != null) { - p.setProjectReference(c); - } - } - rc.add(c); - FailFast.invalidate(this); - coll = null; - setChecked(false); - } - - /** - * Add the Collection of ResourceCollections to the container. - * @param c the Collection whose elements to add. - * @throws BuildException on error. - */ - public synchronized void addAll(Collection<? extends ResourceCollection> c) throws BuildException { - if (isReference()) { - throw noChildrenAllowed(); - } - try { - for (ResourceCollection resourceCollection : c) { - add(resourceCollection); - } - } catch (ClassCastException e) { - throw new BuildException(e); - } - } - - /** - * Fulfill the ResourceCollection contract. The Iterator returned - * will throw ConcurrentModificationExceptions if ResourceCollections - * are added to this container while the Iterator is in use. - * @return a "fail-fast" Iterator. - */ - public final synchronized Iterator<Resource> iterator() { - if (isReference()) { - return ((BaseResourceCollectionContainer) getCheckedRef()).iterator(); - } - dieOnCircularReference(); - return new FailFast(this, cacheCollection().iterator()); - } - - /** - * Fulfill the ResourceCollection contract. - * @return number of elements as int. - */ - public synchronized int size() { - if (isReference()) { - return getCheckedRef(BaseResourceCollectionContainer.class, getDataTypeName()).size(); - } - dieOnCircularReference(); - return cacheCollection().size(); - } - - /** - * Fulfill the ResourceCollection contract. - * @return whether this is a filesystem-only resource collection. - */ - public synchronized boolean isFilesystemOnly() { - if (isReference()) { - return ((BaseResourceCollectionContainer) getCheckedRef()).isFilesystemOnly(); - } - dieOnCircularReference(); - //first the easy way, if all children are filesystem-only, return true: - boolean goEarly = true; - for (Iterator<ResourceCollection> i = rc.iterator(); goEarly && i.hasNext();) { - goEarly = i.next().isFilesystemOnly(); - } - if (goEarly) { - return true; - } - /* now check each Resource in case the child only - lets through files from any children IT may have: */ - for (Resource r : cacheCollection()) { - if (r.as(FileProvider.class) == null) { - return false; - } - } - return true; - } - - /** - * Overrides the version of DataType to recurse on all DataType - * child elements that may have been added. - * @param stk the stack of data types to use (recursively). - * @param p the project to use to dereference the references. - * @throws BuildException on error. - */ - protected synchronized void dieOnCircularReference(Stack<Object> stk, Project p) - throws BuildException { - if (isChecked()) { - return; - } - if (isReference()) { - super.dieOnCircularReference(stk, p); - } else { - for (ResourceCollection resourceCollection : rc) { - if (resourceCollection instanceof DataType) { - pushAndInvokeCircularReferenceCheck((DataType) resourceCollection, stk, p); - } - } - setChecked(true); - } - } - - /** - * Get the nested ResourceCollections. - * @return List. - */ - public final synchronized List<ResourceCollection> getResourceCollections() { - dieOnCircularReference(); - return Collections.unmodifiableList(rc); - } - - /** - * Template method for subclasses to return a Collection object of Resources. - * @return Collection. - */ - protected abstract Collection<Resource> getCollection(); - - /** - * Implement clone. The set of nested resource - * collections is shallowly cloned. - * @return a cloned instance. - */ - public Object clone() { - try { - BaseResourceCollectionContainer c - = (BaseResourceCollectionContainer) super.clone(); - c.rc = new ArrayList<ResourceCollection>(rc); - c.coll = null; - return c; - } catch (CloneNotSupportedException e) { - throw new BuildException(e); - } - } - - /** - * Format this BaseResourceCollectionContainer as a String. - * @return a descriptive <code>String</code>. - */ - public synchronized String toString() { - if (isReference()) { - return getCheckedRef().toString(); - } - if (cacheCollection().size() == 0) { - return ""; - } - StringBuilder sb = new StringBuilder(); - for (Resource resource : coll) { - if (sb.length() > 0) { - sb.append(File.pathSeparatorChar); - } - sb.append(resource); - } - return sb.toString(); - } - - private synchronized Collection<Resource> cacheCollection() { - if (coll == null || !isCache()) { - coll = getCollection(); - } - return coll; - } - -} |