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81 lines
2.8 KiB
81 lines
2.8 KiB
7 months ago
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/*
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* Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of Oracle nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This source code is provided to illustrate the usage of a given feature
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* or technique and has been deliberately simplified. Additional steps
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* required for a production-quality application, such as security checks,
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* input validation and proper error handling, might not be present in
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* this sample code.
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*/
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import java.io.*;
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import java.net.*;
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/**
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* A simple example to illustrate using a URL to access a resource
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* and then store the result to a File.
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* <P>
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* Any type of URL can be used: http, https, ftp, etc.
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*
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* @author Brad R. Wetmore
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* @author Mark Reinhold
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*/
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public class URLDumper {
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public static void main(String[] args) throws Exception {
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if (args.length != 2) {
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System.out.println("Usage: URLDumper <URL> <file>");
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System.exit(1);
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}
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String location = args[0];
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String file = args[1];
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URL url = new URL(location);
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FileOutputStream fos = new FileOutputStream(file);
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byte [] bytes = new byte [4096];
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InputStream is = url.openStream();
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int read;
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while ((read = is.read(bytes)) != -1) {
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fos.write(bytes, 0, read);
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}
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is.close();
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fos.close();
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}
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}
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