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/*
 * 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.webdav;

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.GenericFileName;
import org.apache.commons.vfs2.provider.http.HttpClientFactory;
import org.apache.commons.vfs2.provider.http.HttpFileProvider;
import org.apache.commons.vfs2.util.UserAuthenticatorUtils;

/**
 * A provider for WebDAV.
 *
 * @since 2.0
 */
public class WebdavFileProvider extends HttpFileProvider {

    /**
     * The authenticator types used by the WebDAV provider.
     *
     * @deprecated Might be removed in the next major version.
     */
    @Deprecated
    public static final UserAuthenticationData.Type[] AUTHENTICATOR_TYPES = new UserAuthenticationData.Type[] {
            UserAuthenticationData.USERNAME, UserAuthenticationData.PASSWORD };

    /** The capabilities of the WebDAV provider */
    protected static final Collection capabilities = Collections
            .unmodifiableCollection(Arrays.asList(new Capability[] { Capability.CREATE, Capability.DELETE,
                    Capability.RENAME, Capability.GET_TYPE, Capability.LIST_CHILDREN, Capability.READ_CONTENT,
                    Capability.URI, Capability.WRITE_CONTENT, Capability.GET_LAST_MODIFIED, Capability.ATTRIBUTES,
                    Capability.RANDOM_ACCESS_READ, Capability.DIRECTORY_READ_CONTENT, }));

    public WebdavFileProvider() {
        super();

        setFileNameParser(WebdavFileNameParser.getInstance());
    }

    /**
     * Creates a {@link FileSystem}.
     * 

* If you're looking at this method and wondering how to get a FileSystemOptions object bearing the proxy host and * credentials configuration through to this method so it's used for resolving a * {@link org.apache.commons.vfs2.FileObject FileObject} in the FileSystem, then be sure to use correct signature of * the {@link org.apache.commons.vfs2.FileSystemManager FileSystemManager} resolveFile method. * * @see org.apache.commons.vfs2.impl.DefaultFileSystemManager#resolveFile(FileObject, String, FileSystemOptions) */ @Override protected FileSystem doCreateFileSystem(final FileName name, final FileSystemOptions fileSystemOptions) throws FileSystemException { // Create the file system final GenericFileName rootName = (GenericFileName) name; final FileSystemOptions fsOpts = fileSystemOptions == null ? new FileSystemOptions() : fileSystemOptions; UserAuthenticationData authData = null; HttpClient httpClient; try { authData = UserAuthenticatorUtils.authenticate(fsOpts, AUTHENTICATOR_TYPES); httpClient = HttpClientFactory.createConnection(WebdavFileSystemConfigBuilder.getInstance(), "http", 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()))), fsOpts); } finally { UserAuthenticatorUtils.cleanup(authData); } return new WebdavFileSystem(rootName, httpClient, fsOpts); } @Override public FileSystemConfigBuilder getConfigBuilder() { return WebdavFileSystemConfigBuilder.getInstance(); } @Override public Collection getCapabilities() { return capabilities; } }





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