| /* |
| * 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.compressed; |
| |
| import org.apache.commons.vfs2.Capability; |
| import org.apache.commons.vfs2.FileObject; |
| import org.apache.commons.vfs2.FileSystemException; |
| import org.apache.commons.vfs2.FileType; |
| import org.apache.commons.vfs2.provider.AbstractFileName; |
| import org.apache.commons.vfs2.provider.AbstractFileObject; |
| |
| /** |
| * A compressed file. |
| * |
| * <p> |
| * Such a file only has one child (the compressed filename with stripped last extension) |
| * </p> |
| * |
| * @param <FS> |
| * A CompressedFileFileSystem |
| */ |
| public abstract class CompressedFileFileObject<FS extends CompressedFileFileSystem> extends AbstractFileObject<FS> |
| { |
| private final FileObject container; |
| private final String[] children; |
| |
| protected CompressedFileFileObject(final AbstractFileName name, final FileObject container, final FS fs) |
| { |
| super(name, fs); |
| this.container = container; |
| |
| // todo, add getBaseName(String) to FileName |
| String basename = container.getName().getBaseName(); |
| final int pos = basename.lastIndexOf('.'); |
| if (pos > 0) |
| { |
| basename = basename.substring(0, pos); |
| } |
| children = new String[]{basename}; |
| } |
| |
| /** |
| * Determines if this file can be written to. |
| * |
| * @return {@code true} if this file is writeable, {@code false} if not. |
| * @throws FileSystemException if an error occurs. |
| */ |
| @Override |
| public boolean isWriteable() throws FileSystemException |
| { |
| return getFileSystem().hasCapability(Capability.WRITE_CONTENT); |
| } |
| |
| /** |
| * Returns the file's type. |
| */ |
| @Override |
| protected FileType doGetType() throws FileSystemException |
| { |
| if (getName().getPath().endsWith("/")) |
| { |
| return FileType.FOLDER; |
| } |
| else |
| { |
| return FileType.FILE; |
| } |
| } |
| |
| /** |
| * Lists the children of the file. |
| */ |
| @Override |
| protected String[] doListChildren() |
| { |
| return children; |
| } |
| |
| /** |
| * Returns the size of the file content (in bytes). Is only called if |
| * {@link #doGetType} returns {@link FileType#FILE}. |
| */ |
| @Override |
| protected long doGetContentSize() |
| { |
| return -1; |
| } |
| |
| /** |
| * Returns the last modified time of this file. |
| */ |
| @Override |
| protected long doGetLastModifiedTime() throws Exception |
| { |
| return container.getContent().getLastModifiedTime(); |
| } |
| |
| protected FileObject getContainer() |
| { |
| return container; |
| } |
| |
| @Override |
| public void createFile() throws FileSystemException |
| { |
| container.createFile(); |
| injectType(FileType.FILE); |
| } |
| } |