Add proxy basic auth support to ajaxcallback.

Author: tinyeeliu

src/com/androidquery/callback/AbstractAjaxCallback.java

@@ -470,6 +470,28 @@ public K proxy(String host, int port){
 		return self();
 	}
 
+	public K proxy(String host, int port, String user, String password){
+	    
+	    proxy(host, port);
+	    
+	    String authHeader = makeAuthHeader(user, password);	    
+	    return header("Proxy-Authorization", authHeader);
+	    
+	    
+	}
+	
+	private static String makeAuthHeader(String username, String password){
+        
+        String cred = username + ":" + password;
+        byte[] data = cred.getBytes();
+        
+        String auth = "Basic " + new String(AQUtility.encode64(data, 0, data.length));
+        
+        return auth;
+        
+    }
+	
+	
 	public K targetFile(File file){
 		this.targetFile = file;
 		return self();

tests/src/com/androidquery/test/AQueryAsyncTest.java

@@ -1085,7 +1085,7 @@ public void callback(String url, String json, AjaxStatus status) {
 	public void testAjaxProxy() throws ClientProtocolException, IOException{
 
 		String url = "http://www.google.com";
-        
+		
         aq.ajax(url, String.class, new AjaxCallback<String>() {
 
             @Override
@@ -1108,6 +1108,30 @@ public void callback(String url, String json, AjaxStatus status) {
 
 	}
 
+    public void testAjaxProxyBasicCredential() throws ClientProtocolException, IOException{
+        
+        String url = "http://www.google.com";
+        String host = "192.168.1.6";
+        int port = 8081;
+        String user = "Peter";
+        String password = "orange99";
+        
+        aq.ajax(url, String.class, new AjaxCallback<String>() {
+
+            @Override
+            public void callback(String url, String json, AjaxStatus status) {
+                
+                done(url, json, status);
+                
+            }
+        }.proxy(host, port, user, password));
+        
+        waitAsync();
+        
+        assertNotNull(result);
+        
+        
+    }	
 
 	public void testAjaxXmlPullParser(){
 
@@ -1776,4 +1800,8 @@ public void callback(String url, JSONObject jo, AjaxStatus status) {
         assertEquals(AjaxStatus.NETWORK_ERROR, status.getCode());
 
     }
+	
+	
+	
+	
 }