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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.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.
 *
 * 

* Such a file only has one child (the compressed filename with stripped last extension) *

* * @param A CompressedFileFileSystem */ public abstract class CompressedFileFileObject extends AbstractFileObject { 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; } 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); } }




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