| /* |
| * 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; |
| |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| /** |
| * Container for FileSystemOptions.<br> |
| * You have to use *FileSystemConfigBuilder.getInstance() to fill this container<br> |
| * * = the filesystem provider short name |
| * |
| * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a> |
| * @version $Revision$ $Date$ |
| * @see org.apache.commons.vfs.provider.sftp.SftpFileSystemConfigBuilder |
| * @see org.apache.commons.vfs.provider.ftp.FtpFileSystemConfigBuilder |
| */ |
| public class FileSystemOptions |
| { |
| private Map options = new TreeMap(); |
| |
| private class FileSystemOptionKey implements Comparable |
| { |
| private final Class fileSystemClass; |
| private final String name; |
| |
| private FileSystemOptionKey(Class fileSystemClass, String name) |
| { |
| this.fileSystemClass = fileSystemClass; |
| this.name = name; |
| } |
| |
| public int compareTo(Object o) |
| { |
| FileSystemOptionKey k = (FileSystemOptionKey) o; |
| |
| int ret = k.fileSystemClass.getName().compareTo(k.fileSystemClass.getName()); |
| if (ret != 0) |
| { |
| return ret; |
| } |
| |
| return name.compareTo(k.name); |
| } |
| |
| public boolean equals(Object o) |
| { |
| if (this == o) |
| { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) |
| { |
| return false; |
| } |
| |
| final FileSystemOptionKey that = (FileSystemOptionKey) o; |
| |
| if (!fileSystemClass.equals(that.fileSystemClass)) |
| { |
| return false; |
| } |
| if (!name.equals(that.name)) |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public int hashCode() |
| { |
| int result; |
| result = fileSystemClass.hashCode(); |
| result = 29 * result + name.hashCode(); |
| return result; |
| } |
| } |
| |
| public FileSystemOptions() |
| { |
| } |
| |
| void setOption(Class fileSystemClass, String name, Object value) |
| { |
| options.put(new FileSystemOptionKey(fileSystemClass, name), value); |
| } |
| |
| Object getOption(Class fileSystemClass, String name) |
| { |
| FileSystemOptionKey key = new FileSystemOptionKey(fileSystemClass, name); |
| return options.get(key); |
| } |
| |
| boolean hasOption(Class fileSystemClass, String name) |
| { |
| FileSystemOptionKey key = new FileSystemOptionKey(fileSystemClass, name); |
| return options.containsKey(key); |
| } |
| |
| public int compareTo(FileSystemOptions other) |
| { |
| if (this == other) |
| { |
| // the same instance |
| return 0; |
| } |
| |
| int propsSz = options == null ? 0 : options.size(); |
| int propsFkSz = other.options == null ? 0 : other.options.size(); |
| if (propsSz < propsFkSz) |
| { |
| return -1; |
| } |
| if (propsSz > propsFkSz) |
| { |
| return 1; |
| } |
| if (propsSz == 0) |
| { |
| // props empty |
| return 0; |
| } |
| |
| int hash = options.hashCode(); |
| int hashFk = other.options.hashCode(); |
| if (hash < hashFk) |
| { |
| return -1; |
| } |
| if (hash > hashFk) |
| { |
| return 1; |
| } |
| |
| // bad props not the same instance, but looks like the same |
| // TODO: compare Entry by Entry |
| return 0; |
| } |
| } |