| /* |
| * Copyright 2002-2005 The Apache Software Foundation. |
| * |
| * Licensed 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.commons.vfs.cache; |
| |
| import org.apache.commons.vfs.FileName; |
| import org.apache.commons.vfs.FileSystem; |
| |
| /** |
| * Key for various cache implementations.<br> |
| * It compares the fileSystem (by hashCode) and the filename. |
| * |
| * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a> |
| * @version $Revision$ $Date$ |
| */ |
| class FileSystemAndNameKey implements Comparable |
| { |
| private final FileSystem fileSystem; |
| private final FileName fileName; |
| private final int fileSystemId; |
| |
| FileSystemAndNameKey(final FileSystem fileSystem, final FileName fileName) |
| { |
| this.fileSystem = fileSystem; |
| this.fileSystemId = System.identityHashCode(fileSystem); |
| |
| this.fileName = fileName; |
| } |
| |
| public int compareTo(Object o) |
| { |
| FileSystemAndNameKey other = (FileSystemAndNameKey) o; |
| |
| if (fileSystemId < other.fileSystemId) |
| { |
| return -1; |
| } |
| if (fileSystemId > other.fileSystemId) |
| { |
| return 1; |
| } |
| |
| return fileName.compareTo(other.fileName); |
| } |
| |
| FileSystem getFileSystem() |
| { |
| return fileSystem; |
| } |
| |
| FileName getFileName() |
| { |
| return fileName; |
| } |
| } |