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• Directory.java

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src-main.org.awakefw.file.util.Directory Maven / Gradle / Ivy

/*
 * This file is part of Awake FILE. 
 * Awake FILE: Easy file upload & download over HTTP with Java.                                    
 * Copyright (C) 2014,  KawanSoft SAS
 * (http://www.kawansoft.com). All rights reserved.                                
 *                                                                               
 * Awake FILE is free software; you can redistribute it and/or                 
 * modify it under the terms of the GNU Lesser General Public                    
 * License as published by the Free Software Foundation; either                  
 * version 2.1 of the License, or (at your option) any later version.            
 *                                                                               
 * Awake FILE is distributed in the hope that it will be useful,               
 * but WITHOUT ANY WARRANTY; without even the implied warranty of                
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             
 * Lesser General Public License for more details.                               
 *                                                                               
 * You should have received a copy of the GNU Lesser General Public              
 * License along with this library; if not, write to the Free Software           
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
 * 02110-1301  USA
 *
 * Any modifications to this file must keep this entire header
 * intact.
 */
package org.awakefw.file.util;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Collections;
import java.util.Vector;

import org.awakefw.file.api.util.AwakeDebug;

public class Directory {
    // Rule 8: Make your classes noncloneable
    public final Object clone() throws java.lang.CloneNotSupportedException {
	throw new java.lang.CloneNotSupportedException();
    }

    // Rule 9: Make your classes nonserializeable
    private final void writeObject(ObjectOutputStream out)
	    throws java.io.IOException {
	throw new java.io.IOException("Object cannot be serialized");
    }

    // Rule 10: Make your classes nondeserializeable
    private final void readObject(ObjectInputStream in)
	    throws java.io.IOException {
	throw new java.io.IOException("Class cannot be deserialized");
    }

    // Debug Option
    @SuppressWarnings("unused")
    private static boolean DEBUG = AwakeDebug.isSet(Directory.class);

    public static String CR_LF = System.getProperty("line.separator");

    //
    // Class variables
    //

    // Directory name
    protected String dirName = null;

    // String Filter
    protected String filterName = null;

    // boolean to say if to retrieve full names
    private boolean bFullName = false;

    /**
     * 
     * Default Constructor.
     * 
     * @param sDir
     *            The *local* Directory to use
     * 
     */

    public Directory(String sDir) {
	this.dirName = sDir;

	// Mandatory : filter can not be null
	this.filterName = " ";

	this.addSep();
    }

    /**
     * 
     * Constructor.
     * 
     * @param dirName
     *            The *local* Directory to use
     * @param filterName
     *            A Substring which must appear in the File Name
     * 
     */

    public Directory(String dirName, String filterName) {
	this.dirName = dirName;
	this.filterName = filterName;

	this.addSep();
    }

    /**
     * Add to the Directory name with the last file.separator, if mising
     */

    public void addSep() {
	String sFsep = new String(System.getProperty("file.separator"));

	if (this.dirName.lastIndexOf(sFsep) != this.dirName.length() - 1) {
	    this.dirName += sFsep;
	}
    }

    /**
     * Add to the Directory name with the last file.separator, if mising
     */

    public static String addSeparator(String sDir) {
	if (sDir == null) {
	    return null;
	}

	String sFsep = new String(System.getProperty("file.separator"));

	if (sDir.lastIndexOf(sFsep) != sDir.length() - 1) {
	    sDir += sFsep;
	}

	return new String(sDir);
    }

    /*
     * returns the directory name to String, with an added sep !
     */

    public String toString() {
	return (this.dirName);
    }

    /**
     * 
     * Retrieves all files in the directory into a vector (and sort them) 

     * NOTE : names are in short format *without* full path
     * 
     * @return the directory files list into a Vector
     * 
     */

    public Vector getFiles() throws IOException {

	int i = 0;

	File fDir = new File(this.dirName);

	if (!fDir.isDirectory()) {
	    throw new FileNotFoundException(this.dirName);
	}

	String[] sFileDir = fDir.list();

	Vector vFiles = new Vector();

	for (i = 0; i < sFileDir.length; i++) {
	    // 05/01/00 17:40 NDP - add a file.separator for Java 1.2.2 Win32
	    // File fTemp1 = new File(fDir + sFileDir[i]);
	    File fTemp1 = new File(this.dirName + sFileDir[i]);

	    if (fTemp1.isFile()
		    && (sFileDir[i].indexOf(this.filterName) != -1 || this.filterName
			    .length() <= 1)) {
		if (bFullName) {
		    vFiles.addElement(this.dirName + sFileDir[i]);
		} else {
		    vFiles.addElement(sFileDir[i]);
		}
	    }

	}

	// Sort File in Ascending Order
	Collections.sort(vFiles);

	return vFiles;
    }

    /**
     * 
     * Retrieves all subDirectories in the directory into a vector (and sort
     * them). 

     * NOTE : names are in short format *without* full path
     * 
     * @return the directory files list into a Vector
     * 
     */

    public Vector getSubDirectories() throws IOException {

	int i = 0;

	File fDir = new File(this.dirName);

	if (!fDir.isDirectory()) {
	    throw new FileNotFoundException(this.dirName);
	}

	String[] sFileDir = fDir.list();

	Vector vFiles = new Vector();

	for (i = 0; i < sFileDir.length; i++) {
	    // 05/01/00 17:40 NDP - add a file.separator for Java 1.2.2 Win32
	    // File fTemp1 = new File(fDir + sFileDir[i]);
	    File fTemp1 = new File(this.dirName + sFileDir[i]);

	    if (fTemp1.isDirectory()) {
		if (bFullName) {
		    vFiles.addElement(this.dirName + sFileDir[i]);
		} else {
		    vFiles.addElement(sFileDir[i]);
		}
	    }

	}

	// Sort File in Ascending Order
	// CSaTools.Sort (vFiles, 0, vFiles.size() - 1);

	Collections.sort(vFiles);

	return vFiles;
    }

    /**
     * 
     * Retrieves all files in the directory into a vector (and sort them) 

     * NOTE : names are in long format *with* full path
     * 
     * @return the directory files list into a Vector
     * 
     */

    public Vector getFullNameFiles() throws IOException {
	this.bFullName = true;
	Vector vFiles = this.getFiles();
	this.bFullName = false;
	return vFiles;
    }

    /**
     * 
     * Retrieves all subDirectories in the directory into a vector (and sort
     * them). 

     * NOTE : names are in long format *with* full path
     * 
     * @return the directory files list into a Vector
     * 
     */

    public Vector getFullNameSubDirectories() throws IOException {
	this.bFullName = true;
	Vector vFiles = this.getSubDirectories();
	this.bFullName = false;
	return vFiles;
    }

} // End Directory.java