src/share/classes/java/awt/TextComponent.java

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 218         synchronized (getTreeLock()) {
 219             TextComponentPeer peer = (TextComponentPeer)this.peer;
 220             if (peer != null) {
 221                 text = peer.getText();
 222                 selectionStart = peer.getSelectionStart();
 223                 selectionEnd = peer.getSelectionEnd();
 224             }
 225             super.removeNotify();
 226         }
 227     }
 228 
 229     /**
 230      * Sets the text that is presented by this
 231      * text component to be the specified text.
 232      * @param       t   the new text;
 233      *                  if this parameter is <code>null</code> then
 234      *                  the text is set to the empty string ""
 235      * @see         java.awt.TextComponent#getText
 236      */
 237     public synchronized void setText(String t) {








 238         text = (t != null) ? t : "";
 239         TextComponentPeer peer = (TextComponentPeer)this.peer;
 240         if (peer != null) {
 241             peer.setText(text);
 242         }
 243     }
 244 
 245     /**
 246      * Returns the text that is presented by this text component.
 247      * By default, this is an empty string.
 248      *
 249      * @return the value of this <code>TextComponent</code>
 250      * @see     java.awt.TextComponent#setText
 251      */
 252     public synchronized String getText() {
 253         TextComponentPeer peer = (TextComponentPeer)this.peer;
 254         if (peer != null) {
 255             text = peer.getText();
 256         }
 257         return text;




 218         synchronized (getTreeLock()) {
 219             TextComponentPeer peer = (TextComponentPeer)this.peer;
 220             if (peer != null) {
 221                 text = peer.getText();
 222                 selectionStart = peer.getSelectionStart();
 223                 selectionEnd = peer.getSelectionEnd();
 224             }
 225             super.removeNotify();
 226         }
 227     }
 228 
 229     /**
 230      * Sets the text that is presented by this
 231      * text component to be the specified text.
 232      * @param       t   the new text;
 233      *                  if this parameter is <code>null</code> then
 234      *                  the text is set to the empty string ""
 235      * @see         java.awt.TextComponent#getText
 236      */
 237     public synchronized void setText(String t) {
 238 
 239         // Please note that we do not want to post an event
 240         // if TextArea.setText() or TextField.setText() replaces an empty text
 241         // by an empty text, that is, if component's text remains unchanged.
 242         if ((text == null || text.isEmpty()) && (t == null || t.isEmpty())) {
 243             return;
 244         }
 245 
 246         text = (t != null) ? t : "";
 247         TextComponentPeer peer = (TextComponentPeer)this.peer;
 248         if (peer != null) {
 249             peer.setText(text);
 250         }
 251     }
 252 
 253     /**
 254      * Returns the text that is presented by this text component.
 255      * By default, this is an empty string.
 256      *
 257      * @return the value of this <code>TextComponent</code>
 258      * @see     java.awt.TextComponent#setText
 259      */
 260     public synchronized String getText() {
 261         TextComponentPeer peer = (TextComponentPeer)this.peer;
 262         if (peer != null) {
 263             text = peer.getText();
 264         }
 265         return text;