| /* |
| * 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.commons.vfs2.provider.hdfs; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.apache.commons.vfs2.Capability; |
| import org.apache.commons.vfs2.FileName; |
| import org.apache.commons.vfs2.FileSystem; |
| import org.apache.commons.vfs2.FileSystemConfigBuilder; |
| import org.apache.commons.vfs2.FileSystemException; |
| import org.apache.commons.vfs2.FileSystemOptions; |
| import org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider; |
| import org.apache.commons.vfs2.provider.http.HttpFileNameParser; |
| |
| /** |
| * FileProvider for HDFS files. |
| * |
| * @since 2.1 |
| */ |
| public class HdfsFileProvider extends AbstractOriginatingFileProvider { |
| |
| static final Collection<Capability> CAPABILITIES = Collections |
| .unmodifiableCollection(Arrays.asList(Capability.GET_TYPE, Capability.READ_CONTENT, |
| Capability.CREATE, |
| Capability.DELETE, |
| Capability.RENAME, |
| Capability.WRITE_CONTENT, |
| Capability.URI, Capability.GET_LAST_MODIFIED, |
| Capability.SET_LAST_MODIFIED_FILE, |
| Capability.ATTRIBUTES, Capability.RANDOM_ACCESS_READ, Capability.DIRECTORY_READ_CONTENT, |
| Capability.LIST_CHILDREN)); |
| |
| /** |
| * Constructs a new HdfsFileProvider. |
| */ |
| public HdfsFileProvider() { |
| this.setFileNameParser(HttpFileNameParser.getInstance()); |
| } |
| |
| /** |
| * Create a new HdfsFileSystem instance. |
| * |
| * @param rootName Name of the root file. |
| * @param fileSystemOptions Configuration options for this instance. |
| * @throws FileSystemException if error occurred. |
| */ |
| @Override |
| protected FileSystem doCreateFileSystem(final FileName rootName, final FileSystemOptions fileSystemOptions) |
| throws FileSystemException { |
| return new HdfsFileSystem(rootName, fileSystemOptions); |
| } |
| |
| /** |
| * Get Capabilities of HdfsFileSystem. |
| * |
| * @return The capabilities (unmodifiable). |
| */ |
| @Override |
| public Collection<Capability> getCapabilities() { |
| return CAPABILITIES; |
| } |
| |
| /** |
| * Return config builder. |
| * |
| * @return A config builder for HdfsFileSystems. |
| * @see org.apache.commons.vfs2.provider.AbstractFileProvider#getConfigBuilder() |
| */ |
| @Override |
| public FileSystemConfigBuilder getConfigBuilder() { |
| return HdfsFileSystemConfigBuilder.getInstance(); |
| } |
| |
| } |