Java tutorial
/* * 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.vfs; /** * Abstract class which has the right to fill FileSystemOptions * * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a> * @version $Revision$ $Date$ */ public abstract class FileSystemConfigBuilder { protected void setParam(FileSystemOptions opts, String name, Object value) { opts.setOption(getConfigClass(), name, value); } protected Object getParam(FileSystemOptions opts, String name) { if (opts == null) { return null; } return opts.getOption(getConfigClass(), name); } protected boolean hasParam(FileSystemOptions opts, String name) { if (opts == null) { return false; } return opts.hasOption(getConfigClass(), name); } protected abstract Class getConfigClass(); }