1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.vfs2.provider; 18 19 import org.apache.commons.logging.Log; 20 import org.apache.commons.vfs2.FileSystemException; 21 22 /** 23 * A partial {@link VfsComponent} implementation. 24 */ 25 public abstract class AbstractVfsComponent implements VfsComponent { 26 27 private VfsComponentContext context; 28 private Log log; 29 30 /** 31 * Sets the Logger to use for the component. 32 * 33 * @param log The Log to use. 34 */ 35 @Override 36 public final void setLogger(final Log log) { 37 this.log = log; 38 } 39 40 /** 41 * Sets the context for this file system provider. 42 * 43 * @param context The VfsComponentContext. 44 */ 45 @Override 46 public final void setContext(final VfsComponentContext context) { 47 this.context = context; 48 } 49 50 /** 51 * Initializes the component. This implementation does nothing. 52 * 53 * @throws FileSystemException if an error occurs. 54 */ 55 @Override 56 public void init() throws FileSystemException { 57 // default is noop. 58 } 59 60 /** 61 * Closes the provider. This implementation does nothing. 62 */ 63 @Override 64 public void close() { 65 // default is noop. 66 } 67 68 /** 69 * Returns the logger for this file system to use. 70 * 71 * @return logger for this file system 72 */ 73 protected final Log getLogger() { 74 return log; 75 } 76 77 /** 78 * Returns the context for this provider. 79 * 80 * @return provider context 81 */ 82 protected final VfsComponentContext getContext() { 83 return context; 84 } 85 }