Java How to Program Fourth Edition - DCC

988 Networking Chapter 17
71
72 // load document; change mouse cursor to indicate status
73 private void getThePage( String location )
74 {
75 // change mouse cursor to WAIT_CURSOR
76 setCursor( Cursor.getPredefinedCursor(
77 Cursor.WAIT_CURSOR ) );
78
79 // load document into contentsArea and display location in
80 // enterField
81 try {
82 contentsArea.setPage( location );
83 enterField.setText( location );
84 }
85
86 // process problems loading document
87 catch ( IOException ioException ) {
88 JOptionPane.showMessageDialog( this,
89 "Error retrieving specified URL",
90 "Bad URL", JOptionPane.ERROR_MESSAGE );
91 }
92
93 setCursor( Cursor.getPredefinedCursor(
94 Cursor.DEFAULT_CURSOR ) );
95 }
96
97 // begin application execution
98 public static void main( String args[] )
99 {
100 ReadServerFile application = new ReadServerFile();
101
102 application.setDefaultCloseOperation(
103 JFrame.EXIT_ON_CLOSE );
104 }
105
106 } // end class ReadServerFile
Fig. Fig. 17.3 17.3 Reading a file by opening a connection through a URL (part 3 of 4)