imagefilter.java

来自「JavaExplorer是一个独立于平台的浏览器」· Java 代码 · 共 133 行

/**
  * File and FTP Explorer
  * Copyright 2003
  * BOESCH Vincent
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
  *
  * This program 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 General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
package javaexplorer.util.filter;

import java.io.File;

import javaexplorer.model.XFile;

import javaexplorer.ressource.MagicNumber;


public class ImageFilter implements XFileFilter {
    /**
     *  Constructor for the ExplorerFilter object
     */
    public ImageFilter() {
    }

    public boolean accept(File pathname) {
        //On accepte les r閜ertoires et les images
        if (pathname.isDirectory()) {
            return true;
        }

        int magicNum = MagicNumber.getMagicNumberType(null, pathname.getName());

        if ((magicNum == MagicNumber.IMAGE) || (magicNum == MagicNumber.GIF)) {
            return true;
        }

        return false;
    }

    public boolean accept(XFile pathname) {
        return acceptImage(pathname);
    }

    /**
     *  Accepteur pour les fichiers images (ie bmp, jpg, gif, png)
     *
     *@param  pathname  Description of Parameter
     *@return           Description of the Returned Value
     */
    public boolean acceptImage(XFile pathname) {
        //On accepte les r閜ertoires et les images
        if (pathname.isDirectory()) {
            return true;
        }

        int magicNum = MagicNumber.getMagicNumberType(pathname);

        if ((magicNum == MagicNumber.IMAGE) || (magicNum == MagicNumber.GIF)) {
            return true;
        }

        return false;
    }

    /**
     *  Description of the Method
     *
     *@param  pathname  Description of Parameter
     *@return           Description of the Returned Value
     */
    public boolean acceptZip(XFile pathname) {
        //On accepte les r閜ertoires et les images
        if (pathname.isDirectory()) {
            return true;
        }

        if (MagicNumber.getMagicNumberType(pathname) == MagicNumber.ZIP) {
            return true;
        } else {
            return false;
        }
    }

    /**
     *  Description of the Method
     *
     *@param  pathname  Description of Parameter
     *@return           Description of the Returned Value
     */
    public boolean acceptExternal(XFile pathname) {
        //On accepte les r閜ertoires et les images
        if (pathname.isDirectory()) {
            return false;
        }

        if (MagicNumber.getMagicNumberType(pathname) == MagicNumber.EXTERNAL) {
            return true;
        } else {
            return false;
        }
    }

    /**
     *  Description of the Method
     *
     *@param  pathname  Description of Parameter
     *@return           Description of the Returned Value
     */
    public boolean acceptExecutable(XFile pathname) {
        //On accepte les r閜ertoires et les images
        if (pathname.isDirectory()) {
            return false;
        }

        if (MagicNumber.getMagicNumberType(pathname) == MagicNumber.EXE) {
            return true;
        }

        return false;
    }
}