/*

 * Copyright (c) 1995, 1996, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.awt.image;

import java.io.InputStream;

import java.io.FileInputStream;

import java.io.BufferedInputStream;

import java.io.FileNotFoundException;

public class FileImageSource extends InputStreamImageSource {

    String imagefile;

    public FileImageSource(String filename) {

        SecurityManager security = System.getSecurityManager();

        if (security != null) {

            security.checkRead(filename);

        }

        imagefile = filename;

    }

    final boolean checkSecurity(Object context, boolean quiet) {

        // File based images only ever need to be checked statically

        // when the image is retrieved from the cache.

        return true;

    }

    protected ImageDecoder getDecoder() {

        if (imagefile == null) {

            return null;

        }

        InputStream is;

        try {

            is = new BufferedInputStream(new FileInputStream(imagefile));

        } catch (FileNotFoundException e) {

            return null;

        }

        // Don't believe the file suffix - many users don't know what

        // kind of image they have and guess wrong...

        /*

        int suffixpos = imagefile.lastIndexOf('.');

        if (suffixpos >= 0) {

            String suffix = imagefile.substring(suffixpos+1).toLowerCase();

            if (suffix.equals("gif")) {

                return new GifImageDecoder(this, is);

            } else if (suffix.equals("jpeg") || suffix.equals("jpg") ||

                       suffix.equals("jpe") || suffix.equals("jfif")) {

                return new JPEGImageDecoder(this, is);

            } else if (suffix.equals("xbm")) {

                return new XbmImageDecoder(this, is);

            }

        }

        */

        return getDecoder(is);

    }

}