| /* |
| * 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.lucene.mockfile; |
| |
| import java.io.IOException; |
| import java.nio.file.FileStore; |
| import java.nio.file.attribute.FileAttributeView; |
| import java.nio.file.attribute.FileStoreAttributeView; |
| import java.util.Objects; |
| |
| /** |
| * A {@code FilterFileStore} contains another |
| * {@code FileStore}, which it uses as its basic |
| * source of data, possibly transforming the data along the |
| * way or providing additional functionality. |
| */ |
| public abstract class FilterFileStore extends FileStore { |
| |
| /** |
| * The underlying {@code FileStore} instance. |
| */ |
| protected final FileStore delegate; |
| |
| /** |
| * URI scheme used for this instance. |
| */ |
| protected final String scheme; |
| |
| /** |
| * Construct a {@code FilterFileStore} based on |
| * the specified base store. |
| * @param delegate specified base store. |
| * @param scheme URI scheme identifying this instance. |
| */ |
| public FilterFileStore(FileStore delegate, String scheme) { |
| this.delegate = Objects.requireNonNull(delegate); |
| this.scheme = Objects.requireNonNull(scheme); |
| } |
| |
| @Override |
| public String name() { |
| return delegate.name(); |
| } |
| |
| @Override |
| public String type() { |
| return delegate.type(); |
| } |
| |
| @Override |
| public String toString() { |
| return delegate.toString(); |
| } |
| |
| @Override |
| public boolean isReadOnly() { |
| return delegate.isReadOnly(); |
| } |
| |
| @Override |
| public long getTotalSpace() throws IOException { |
| return delegate.getTotalSpace(); |
| } |
| |
| @Override |
| public long getUsableSpace() throws IOException { |
| return delegate.getUsableSpace(); |
| } |
| |
| @Override |
| public long getUnallocatedSpace() throws IOException { |
| return delegate.getUnallocatedSpace(); |
| } |
| |
| @Override |
| public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) { |
| return delegate.supportsFileAttributeView(type); |
| } |
| |
| @Override |
| public boolean supportsFileAttributeView(String name) { |
| return delegate.supportsFileAttributeView(name); |
| } |
| |
| @Override |
| public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) { |
| return delegate.getFileStoreAttributeView(type); |
| } |
| |
| @Override |
| public Object getAttribute(String attribute) throws IOException { |
| return delegate.getAttribute(attribute); |
| } |
| } |