| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.tools.jlink.plugin; |
| |
| import java.nio.ByteOrder; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.function.Function; |
| import java.util.stream.Stream; |
| |
| /** |
| * A Pool of Java resources. |
| */ |
| public interface ResourcePool { |
| /** |
| * Return the module view of this resource pool. |
| * |
| * @return a module based view of this resource pool. |
| */ |
| public ResourcePoolModuleView moduleView(); |
| |
| /** |
| * Get all ResourcePoolEntry contained in this ResourcePool instance. |
| * |
| * @return The stream of ResourcePoolEntries. |
| */ |
| public Stream<ResourcePoolEntry> entries(); |
| |
| /** |
| * Return the number of ResourcePoolEntry count in this ResourcePool. |
| * |
| * @return the entry count. |
| */ |
| public int entryCount(); |
| |
| /** |
| * Get the ResourcePoolEntry for the passed path. |
| * |
| * @param path A data path |
| * @return A ResourcePoolEntry instance or null if the data is not found |
| */ |
| public Optional<ResourcePoolEntry> findEntry(String path); |
| |
| /** |
| * Get the ModuleEntry for the passed path restricted to supplied context. |
| * |
| * @param path A data path |
| * @param context A context of the search |
| * @return A ModuleEntry instance or null if the data is not found |
| */ |
| public Optional<ResourcePoolEntry> findEntryInContext(String path, ResourcePoolEntry context); |
| |
| /** |
| * Check if the ResourcePool contains the given ResourcePoolEntry. |
| * |
| * @param data The module data to check existence for. |
| * @return The module data or null if not found. |
| */ |
| public boolean contains(ResourcePoolEntry data); |
| |
| /** |
| * Check if the ResourcePool contains some content at all. |
| * |
| * @return True, no content, false otherwise. |
| */ |
| public boolean isEmpty(); |
| |
| /** |
| * The ByteOrder currently in use when generating the jimage file. |
| * |
| * @return The ByteOrder. |
| */ |
| public ByteOrder byteOrder(); |
| |
| /** |
| * Visit each ResourcePoolEntry in this ResourcePool to transform it and copy |
| * the transformed ResourcePoolEntry to the output ResourcePoolBuilder. |
| * |
| * @param transform The function called for each ResourcePoolEntry found in the |
| * ResourcePool. The transform function should return a ResourcePoolEntry |
| * instance which will be added to the output or it should return null if |
| * the passed ResourcePoolEntry is to be ignored for the output. |
| * |
| * @param outBuilder The ResourcePoolBuilder to be filled with Visitor returned |
| * ResourcePoolEntries. |
| */ |
| public default void transformAndCopy( |
| Function<ResourcePoolEntry, ResourcePoolEntry> transform, |
| ResourcePoolBuilder outBuilder) { |
| entries().forEach(resource -> { |
| ResourcePoolEntry res = transform.apply(resource); |
| if (res != null) { |
| outBuilder.add(res); |
| } |
| }); |
| } |
| } |