Flash / Flex / ActionScript/XML/update

After the replacement, the two <PASSWORD> elements have the same content:

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var user1:XML = <USERDETAILS>
           <LOGIN>joe</LOGIN>
           <PASSWORD>linuxRules</PASSWORD>
         </USERDETAILS>;
         
       var user2:XML = <USERDETAILS>
           <LOGIN>ken</LOGIN>
           <PASSWORD>default</PASSWORD>
         </USERDETAILS>;
       
       trace(user1);
       trace(user2);
       user2.PASSWORD = user1.PASSWORD;
       trace(user1);
       trace(user2);
       
       trace(user1.PASSWORD[0] == user2.PASSWORD[0]); // Displays: true
       
       trace(user1.PASSWORD[0] 
       </source>
   
  

Changing the Contents of an Element

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var novel:XML = <BOOK ISBN="0000000000">
         <TITLE>ActionScript</TITLE>
         <AUTHOR>J, J</AUTHOR>
         <PUBLISHER>Books Ltd</PUBLISHER>
       </BOOK>
       
       novel.TITLE[0] = "New Title";
       
       trace(novel);
   }
 }

}

       </source>
   
  

Content of an element can be changed using setChildren( )

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var novel:XML = <BOOK ISBN="0000000000">
           <TITLE>ActionScript</TITLE>                    
           <AUTHOR>J, J</AUTHOR>
           <PUBLISHER>Books Ltd</PUBLISHER>  
         </BOOK>;
         
       trace(novel);  
       novel.TITLE.setChildren("New Title");
       trace(novel);
   }
 }

}

       </source>
   
  

Get and set the xml tag value

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var order:XML = <ORDER>
         <ITEM SKU="374">
           <NAME>Toy</NAME>
           <PRICE>39.99</PRICE>
           <QUANTITY>2</QUANTITY>
         </ITEM>
       </ORDER>
       
       var total:Number = 0;
       for each (var item:XML in order.*) {
         trace( item.QUANTITY
                       + " " + item.NAME + "(s)."
                       + " $" + item.PRICE + " each.\n");
         total += item.QUANTITY * item.PRICE;
       
       }
       
       trace("TOTAL: " + total);
       
       for each (var item:XML in order.*) {
         item.PRICE = 1;
       }
       
       trace(order);
       
   }
 }

}

       </source>
   
  

Replace the element of one xml data with the PASSWORD element of another

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var user1:XML = <USERDETAILS>
           <LOGIN>joe</LOGIN>
           <PASSWORD>linuxRules</PASSWORD>
         </USERDETAILS>;
         
       var user2:XML = <USERDETAILS>
           <LOGIN>ken</LOGIN>
           <PASSWORD>default</PASSWORD>
         </USERDETAILS>;
       
       trace(user1);
       trace(user2);
       user2.PASSWORD = user1.PASSWORD;
       trace(user1);
       trace(user2);
   }
 }

}

       </source>
   
  

Set attribute values

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var movieList:XML = <movieList>
                               <listName>My favorite movies</listName>
                               <movie id="123">
                                   <title>Titus</title>
                                   <year>1999</year>
                                   <director>J T</director>
                               </movie>
                               <movie id="456">
                                   <title>Rushmore</title>
                                   <year>1998</year>
                                   <director>W A</director>
                               </movie>
                               <movie id="789">
                                   <title>Hall</title>
                                   <year>1977</year>
                                   <director>Woody Allen</director>
                               </movie>
                          </movieList>;
       movieList.movie[0].@id = 8675309;
   }
 }

}

       </source>
   
  

The content of an element can be changed using the XML class"s instance method replace( ).

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var doc:XML = <DOC>

E4X is fun

         </DOC>;
       

doc.replace("P",

E4X is convenient

);

       trace(doc);
   }
 }

}

       </source>
   
  

Update xml data by using the dynamic property

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var novel:XML = <BOOK ISBN="0000000000">
           <TITLE>ActionScript</TITLE>                    
           <AUTHOR>J, J</AUTHOR>
           <PUBLISHER>Books Ltd</PUBLISHER>  
         </BOOK>;
         
       trace(novel);  
         
       novel.AUTHOR = "H, E";
       novel.PUBLISHER = "S";
       
       trace(novel);
   }
 }

}

       </source>
   
  

user2.PASSWORD[0]); // Displays: false

   <source lang="java">

   }
 }

}

       </source>
   
  

Use wild card and index to change the xml data value

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var novel:XML = <BOOK ISBN="0000000000">
         <TITLE>ActionScript</TITLE>
         <AUTHOR>J, J</AUTHOR>
         <PUBLISHER>Books Ltd</PUBLISHER>
       </BOOK>
       
       novel.*[1] = novel.*[1] + <AUTHOR>D, V</AUTHOR>;
       
       trace(novel);
   }
 }

}

       </source>
   
  

Write new values to the XML

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var movieList:XML = <movieList>
                               <listName>My favorite movies</listName>
                               <movie id="123">
                                   <title>Titus</title>
                                   <year>1999</year>
                                   <director>J T</director>
                               </movie>
                               <movie id="456">
                                   <title>Rushmore</title>
                                   <year>1998</year>
                                   <director>W A</director>
                               </movie>
                               <movie id="789">
                                   <title>Hall</title>
                                   <year>1977</year>
                                   <director>Woody Allen</director>
                               </movie>
                          </movieList>;
       
       movieList.movie[2].director = "A K";
   }
 }

}

       </source>