架构性宣言:MIDP2.0中的工厂设计模式

 
HttpConnection con = null; 
InputStream is = null; 
String xml = new String(); 
OutputStream out = null; 
try { 
 con = (HttpConnection)Connector.open(this.url); 
 con.setRequestMethod(HttpConnection.GET); 
 con.setRequestProperty( "Connection", "close" ); 
  
 // The call to openInputStream() opens the connection 
 is = con.openInputStream(); 

 // Read the XML file 
 ByteArrayOutputStream bas = new ByteArrayOutputStream(); 
 int ch; 
 while ((ch = is.read()) != -1) { 
  bas.write(ch); 
 } 

 // The  
 xml = bas.toString();  

} catch (Exception e) { 
 e.printStackTrace(); 
} finally { 
 try { 
  if (null!=out) out.close(); 
  if (null!= is) is.close(); 
  con.close(); 
 } catch (Exception ex) { 
  ex.printStackTrace(); 
 } 
}