ntfsentry.java

来自「纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统」· Java 代码 · 共 177 行

/*
 * $Id: NTFSEntry.java,v 1.9 2004/01/25 00:28:36 gbin Exp $
 */
package org.jnode.fs.ntfs;

import java.io.*;

import org.jnode.fs.*;
import org.jnode.fs.FileSystem;
import org.jnode.fs.ntfs.attributes.*;

/**
 * @author vali
 * 
 * To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Generation - Code and Comments
 */
public class NTFSEntry implements FSEntry {

	private FSObject cachedFSObject = null;
	private NTFSIndexEntry indexEntry = null;

	public NTFSEntry(NTFSFileRecord fileRecord) {
		// TODO: implement
	}

	public NTFSEntry(NTFSIndexEntry indexEntry) {
		this.indexEntry = indexEntry;
	}

	public String getName() {
		if (indexEntry != null)
			return indexEntry.getFileName();
		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#getParent()
	 */
	public FSDirectory getParent() {
		// TODO Auto-generated method stub
		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#getLastModified()
	 */
	public long getLastModified() {
		// TODO Auto-generated method stub
		return 0;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#isFile()
	 */
	public boolean isFile() {
		// TODO Auto-generated method stub
		return !isDirectory();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#isDirectory()
	 */
	public boolean isDirectory() {
		// TODO Auto-generated method stub
		return indexEntry.isDirectory();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#setName(java.lang.String)
	 */
	public void setName(String newName) {
		// TODO Auto-generated method stub

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#setLastModified(long)
	 */
	public void setLastModified(long lastModified) {
		// TODO Auto-generated method stub

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#getFile()
	 */
	public FSFile getFile() {
		if (this.isFile()) {
			if (cachedFSObject == null)
				cachedFSObject = new NTFSFile(indexEntry);
			return (FSFile)cachedFSObject;
		} else
			return null;

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#getDirectory()
	 */
	public FSDirectory getDirectory() throws IOException {
		if (this.isDirectory()) {
			if (cachedFSObject == null)
				cachedFSObject = new NTFSDirectory(this.getFileRecord().getVolume().getIndexedFileRecord(indexEntry));
			return (FSDirectory)cachedFSObject;
		} else
			return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSEntry#getAccessRights()
	 */
	public FSAccessRights getAccessRights() {
		// TODO Auto-generated method stub
		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSObject#isValid()
	 */
	public boolean isValid() {
		// TODO Auto-generated method stub
		return true;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jnode.fs.FSObject#getFileSystem()
	 */
	public FileSystem getFileSystem() {
		// TODO Auto-generated method stub
		return null;
	}

	/**
	 * @return Returns the fileRecord.
	 */
	public NTFSFileRecord getFileRecord() throws IOException {
		return indexEntry.getParentFileRecord().getVolume().getIndexedFileRecord(indexEntry);
	}

	/**
	 * @return Returns the indexEntry.
	 */
	public NTFSIndexEntry getIndexEntry() {
		return indexEntry;
	}
	/**
	 * @param indexEntry
	 *           The indexEntry to set.
	 */
	public void setIndexEntry(NTFSIndexEntry indexEntry) {
		this.indexEntry = indexEntry;
	}
}