Java URL Load loadFile(URL url)

Description

load File

License

Open Source License

Declaration

public static File loadFile(URL url) throws IOException 

Method Source Code

//package com.java2s;
/*//from   w  ww . ja  va  2 s . c  o  m
 * Scriptographer
 *
 * This file is part of Scriptographer, a Scripting Plugin for Adobe Illustrator
 * http://scriptographer.org/
 *
 * Copyright (c) 2002-2010, Juerg Lehni
 * http://scratchdisk.com/
 *
 * All rights reserved. See LICENSE file for details.
 * 
 * File created on May 11, 2007.
 */

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

public class Main {
    /**
     * Downloads a URL resource into a temporary file on the disk.
     * @param url
     * @throws IOException
     */
    public static File loadFile(URL url, String prefix) throws IOException {
        String name = url.getPath();
        int pos = name.lastIndexOf('.');
        if (pos != -1) {
            String ext = name.substring(pos);
            InputStream in = url.openStream();
            // Create temp file:
            File file = File.createTempFile(prefix, ext);
            // Delete temp file when program exits.
            file.deleteOnExit();
            // Write to temp file
            FileOutputStream out = new FileOutputStream(file);
            int bytesRead;
            byte[] buf = new byte[4 * 1024]; // 4K buffer
            while ((bytesRead = in.read(buf)) != -1) {
                out.write(buf, 0, bytesRead);
            }
            in.close();
            out.close();
            return file;
        }
        return null;
    }

    public static File loadFile(URL url) throws IOException {
        return loadFile(url, "");
    }
}

Related

1. load(URL url)
2. load(URL url, boolean allowCache)
3. loadByteArray(URL url)
4. loadFile(String url)
5. loadFile(URL resource)
6. loadFileNoArray(URL f)
7. loadFileOrUrlToList(String iFileOrUrl)
8. loadFromUrl(String url)
9. loadFromURL(URL url)