55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
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Request authorization headers
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package com.ack.web.servlet;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import sun.misc.BASE64Encoder;
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/**
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* This example demonstrates how to get access a web resource
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* protected using BASIC HTTP Authentication. The URL connection
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* needs to set the username and password into the Authorization
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* request header of the URL. The username and password needs
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* to be encoded using BASE64.
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*/
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public class RequestAuthorizationHeaders {
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public static void main( String[] args ) throws Exception {
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// theencoder is a web resource protected using BASIC HTTP Authentication
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final String urlString = "http://localhost:8080/encodings/theencoder";
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final String userName = "admin";
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final String password = "admin";
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// open url connection
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URL url = new URL( urlString );
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HttpURLConnection con = (HttpURLConnection) url.openConnection();
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// set up url connection to get retrieve information back
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con.setRequestMethod( "GET" );
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con.setDoInput( true );
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// stuff the Authorization request header
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byte[] encodedPassword = ( userName + ":" + password ).getBytes();
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BASE64Encoder encoder = new BASE64Encoder();
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con.setRequestProperty( "Authorization",
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"Basic " + encoder.encode( encodedPassword ) );
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// pull the information back from the URL
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InputStream is = con.getInputStream();
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StringBuffer buf = new StringBuffer();
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int c;
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while( ( c = is.read() ) != -1 ) {
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buf.append( (char) c );
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}
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con.disconnect();
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// output the information
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System.out.println( buf );
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}
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}
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