alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2002 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.xml.core.lib;

import java.io.*;
import java.util.*;

import org.openide.filesystems.*;
import org.openide.filesystems.FileSystem;

/**
 * This file object represents an InputStream.
 *
 * @author  Petr Kuzel
 * @version untested draft
 */
public class StreamFileObject extends FileObject {

    /** Serial Version UID */
    private static final long serialVersionUID =8966806836211837503L;


    private org.openide.filesystems.FileObject[] files; //kids
    
    private boolean isRoot; //does it represent folder (root);
    
    private InputStream peer; //wrapped input stream
    
    private FileSystem fs;
    
    
    //my filesystem
    
    /** Creates new StreamFileObject */
    public StreamFileObject(InputStream in) {
        this(in, false);
    }
    
    public StreamFileObject(InputStream in, boolean isRoot) {
        this.isRoot = isRoot;
        peer = in;
        if (isRoot) {
            files = new org.openide.filesystems.FileObject[] {
                new StreamFileObject(in)
            };
        } else {
            files = new org.openide.filesystems.FileObject[0];
        }
        fs = new StreamFileSystem(this);
    }

    public org.openide.filesystems.FileObject[] getChildren() {
        return files;
    }
    
    public void removeFileChangeListener(org.openide.filesystems.FileChangeListener fileChangeListener) {
    }
    
    public org.openide.filesystems.FileLock lock() throws java.io.IOException {
        return FileLock.NONE;
    }
    
    public java.lang.Object getAttribute(java.lang.String str) {
        return null;
    }
    
    public java.util.Date lastModified() {
        return new Date(0L);
    }
    
    public java.lang.String getExt() {
        return "InputStream"; // NOI18N
    }
    
    public boolean isReadOnly() {
        return true;
    }
    
    public org.openide.filesystems.FileObject createData(java.lang.String str, java.lang.String str1) throws java.io.IOException {
        return null;
    }
    
    public void delete(org.openide.filesystems.FileLock fileLock) throws java.io.IOException {
    }
    
    public org.openide.filesystems.FileObject createFolder(java.lang.String str) throws java.io.IOException {
        return null;
    }
    
    public void rename(org.openide.filesystems.FileLock fileLock, java.lang.String str, java.lang.String str2) throws java.io.IOException {        
    }
    
    public boolean isData() {
        return isRoot == false; 
    }
    
    public java.io.OutputStream getOutputStream(org.openide.filesystems.FileLock fileLock) throws java.io.IOException {
        throw new IOException("r/o"); // NOI18N
    }
    
    public java.io.InputStream getInputStream() throws java.io.FileNotFoundException {
        return peer;
    }
    
    public boolean isValid() {
        return true;
    }
    
    public java.util.Enumeration getAttributes() {
        return org.openide.util.Enumerations.empty();
    }
    
    public java.lang.String getName() {
        return "StreamFileObject"; // NOI18N
    }
    
    public void setImportant(boolean param) {
    }
    
    public boolean isFolder() {
        return isRoot;
    }
    
    public void setAttribute(java.lang.String str, java.lang.Object obj) throws java.io.IOException {
    }
    
    public void addFileChangeListener(org.openide.filesystems.FileChangeListener fileChangeListener) {
    }
    
    public long getSize() {
        return 766; //!!!
    }
    
    public org.openide.filesystems.FileObject getParent() {
        if (isRoot) return null;
        return fs.getRoot();
    }
    
    public boolean isRoot() {
        return isRoot;
    }
    
    public org.openide.filesystems.FileObject getFileObject(java.lang.String str, java.lang.String str1) {
        return null;
    }
    
    public org.openide.filesystems.FileSystem getFileSystem() throws org.openide.filesystems.FileStateInvalidException {
        return fs;
    }
    
}
... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.