Java URL Download nio download(String url, File output)

Description

download

License

Apache License

Declaration

static void download(String url, File output) throws IOException 

Method Source Code

//package com.java2s;
/***************************************************************************\
* Copyright 2016 [Lyonlancer5]                                              *
*                                                                           *
* Licensed under the Apache License, Version 2.0 (the "License");           *
* you may not use this file except in compliance with the License.          *
* You may obtain a copy of the License at                                   *
*                                                                           *
*     http://www.apache.org/licenses/LICENSE-2.0                            *
*                                                                           *
* Unless required by applicable law or agreed to in writing, software       *
* distributed under the License is distributed on an "AS IS" BASIS,         *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
* See the License for the specific language governing permissions and       *
* limitations under the License.                                            *
\***************************************************************************/

import java.io.File;

import java.io.FileOutputStream;
import java.io.IOException;

import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;

public class Main {
    static void download(String url, File output) throws IOException {
        URL url1 = new URL(url);
        ReadableByteChannel rbc = Channels.newChannel(url1.openStream());
        FileOutputStream fos = new FileOutputStream(output);

        if (!output.exists()) {
            output.getParentFile().mkdirs();
            output.createNewFile();/*from   w  ww .  ja v a  2 s  .  c o  m*/
        }

        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
        fos.close();
    }
}

Related

1. canDownload(String filePath)
2. download(File dist, URL src)
3. download(String from, String to)
4. download(String link, File destFile)
5. download(String url, String destPath)
6. download(String url, String inputFile, String outputPath, String outputFile)
7. download(URI source, File target)
8. download(URL link, File outputFile)