001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.vfs2.provider.res;
018
019import org.apache.commons.vfs2.FileSystem;
020import org.apache.commons.vfs2.FileSystemConfigBuilder;
021import org.apache.commons.vfs2.FileSystemOptions;
022import org.apache.commons.vfs2.provider.url.UrlFileSystem;
023
024/**
025 * The config BUILDER for various FTP configuration options.
026 */
027public final class ResourceFileSystemConfigBuilder extends FileSystemConfigBuilder {
028
029    private static final ResourceFileSystemConfigBuilder BUILDER = new ResourceFileSystemConfigBuilder();
030
031    /**
032     * Gets the singleton builder.
033     *
034     * @return the singleton builder.
035     */
036    public static ResourceFileSystemConfigBuilder getInstance() {
037        return BUILDER;
038    }
039
040    private ResourceFileSystemConfigBuilder() {
041        super("resource.");
042    }
043
044    /**
045     * Gets the class loader from the FileSystemOptions.
046     *
047     * @param fileSystemOptions The source FileSystemOptions.
048     * @return the class loader from the FileSystemOptions.
049     */
050    public ClassLoader getClassLoader(final FileSystemOptions fileSystemOptions) {
051        return getParam(fileSystemOptions, ClassLoader.class.getName());
052    }
053
054    @Override
055    protected Class<? extends FileSystem> getConfigClass() {
056        return UrlFileSystem.class;
057    }
058
059    /**
060     * Sets the class loader in the FileSystemOptions.
061     *
062     * @param fileSystemOptions Target FileSystemOptions.
063     * @param classLoader The data to set.
064     */
065    public void setClassLoader(final FileSystemOptions fileSystemOptions, final ClassLoader classLoader) {
066        setParam(fileSystemOptions, ClassLoader.class.getName(), classLoader);
067    }
068}