| /* |
| * 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.http; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.apache.commons.httpclient.HttpClient; |
| 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.UserAuthenticationData; |
| import org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider; |
| import org.apache.commons.vfs2.provider.GenericFileName; |
| import org.apache.commons.vfs2.util.UserAuthenticatorUtils; |
| |
| /** |
| * An HTTP provider that uses commons-httpclient. |
| */ |
| public class HttpFileProvider extends AbstractOriginatingFileProvider { |
| |
| /** Authenticator information. */ |
| public static final UserAuthenticationData.Type[] AUTHENTICATOR_TYPES = new UserAuthenticationData.Type[] { |
| UserAuthenticationData.USERNAME, UserAuthenticationData.PASSWORD }; |
| |
| static final Collection<Capability> capabilities = Collections |
| .unmodifiableCollection(Arrays.asList(Capability.GET_TYPE, Capability.READ_CONTENT, Capability.URI, Capability.GET_LAST_MODIFIED, |
| Capability.ATTRIBUTES, Capability.RANDOM_ACCESS_READ, Capability.DIRECTORY_READ_CONTENT)); |
| |
| /** |
| * Constructs a new provider. |
| */ |
| public HttpFileProvider() { |
| setFileNameParser(HttpFileNameParser.getInstance()); |
| } |
| |
| /** |
| * Creates a {@link FileSystem}. |
| */ |
| @Override |
| protected FileSystem doCreateFileSystem(final FileName name, final FileSystemOptions fileSystemOptions) |
| throws FileSystemException { |
| // Create the file system |
| final GenericFileName rootName = (GenericFileName) name; |
| |
| UserAuthenticationData authData = null; |
| HttpClient httpClient; |
| try { |
| authData = UserAuthenticatorUtils.authenticate(fileSystemOptions, AUTHENTICATOR_TYPES); |
| |
| final String fileScheme = rootName.getScheme(); |
| final char lastChar = fileScheme.charAt(fileScheme.length() - 1); |
| final String internalScheme = (lastChar == 's' || lastChar == 'S') ? "https" : "http"; |
| |
| httpClient = HttpClientFactory.createConnection(internalScheme, rootName.getHostName(), |
| rootName.getPort(), |
| UserAuthenticatorUtils.toString(UserAuthenticatorUtils.getData(authData, |
| UserAuthenticationData.USERNAME, UserAuthenticatorUtils.toChar(rootName.getUserName()))), |
| UserAuthenticatorUtils.toString(UserAuthenticatorUtils.getData(authData, |
| UserAuthenticationData.PASSWORD, UserAuthenticatorUtils.toChar(rootName.getPassword()))), |
| fileSystemOptions); |
| } finally { |
| UserAuthenticatorUtils.cleanup(authData); |
| } |
| |
| return new HttpFileSystem(rootName, httpClient, fileSystemOptions); |
| } |
| |
| @Override |
| public FileSystemConfigBuilder getConfigBuilder() { |
| return HttpFileSystemConfigBuilder.getInstance(); |
| } |
| |
| @Override |
| public Collection<Capability> getCapabilities() { |
| return capabilities; |
| } |
| } |