Java XML Data Type Converter fetchUrl(String url, String username, String password)

Description

fetch Url

License

Open Source License

Declaration

public static InputStream fetchUrl(String url, String username, String password)
            throws MalformedURLException, IOException 

Method Source Code

//package com.java2s;
/*/*from   w ww.jav a 2 s.c o m*/
 * The MIT License
 * 
 * Copyright (c) 2011, Jesse Farinacci
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.bind.DatatypeConverter;

public class Main {
    public static InputStream fetchUrl(String url, String username, String password)
            throws MalformedURLException, IOException {
        notNull(url);
        notNull(username);
        notNull(password);
        URLConnection conn = new URL(url).openConnection();
        if (!username.isEmpty()) {
            conn.setRequestProperty("Authorization",
                    "Basic " + DatatypeConverter.printBase64Binary((username + ":" + password).getBytes()));
        }
        return conn.getInputStream();
    }

    public static void notNull(final Object object) {
        if (object == null) {
            throw new IllegalArgumentException();
        }
    }
}

Related

1. encodeBasicHeader(final String username, final String password)
2. encodeDoubleArray(double[] noData)
3. encodeJavaOpts(String javaOpts)
4. encrypt(String plainText, String password)
5. encryptPassword(String unencrypted)
6. formatFriendlyName(final byte[] addressBytes)
7. fromString(String s)
8. fromStringSafe(final String s)
9. generateSalt()