Java URL Download fetchUrl(URL url)

Description

fetch Url

License

Open Source License

Declaration

public static byte[] fetchUrl(URL url) throws IOException 

Method Source Code

//package com.java2s;
/*/*www. j ava2  s  .c  om*/
 * Copyright 2016 Google Inc. All Rights Reserved.
 *
 * 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.*;
import java.net.URL;

public class Main {
    public static byte[] fetchUrl(URL url) throws IOException {
        return fetch(url.openStream());
    }

    public static byte[] fetch(InputStream is) throws IOException {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

        int nRead;
        byte[] data = new byte[16384];

        while ((nRead = is.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }

        buffer.flush();

        byte[] bytes = buffer.toByteArray();
        if (is != null)
            is.close();

        return bytes;
    }
}

Related

1. fetchURL(String url)
2. fetchURL(String url_string)
3. fetchURL(String urlStr, List errors, Map requestProperties)
4. fetchURL(URL url)
5. fetchUrl(URL url)
6. fetchURLContents(String url)
7. get(String url)
8. get(String url)
9. get(String url)