/**
* Set the current buffer's content to the specified {@link String}. The visual console will be
* modified to show the current buffer.
*
* @param buffer the new contents of the buffer.
*/
private final void setBuffer(final String buffer) throws IOException {
// don't bother modifying it if it is unchanged
if (buffer.equals(buf.buffer.toString())) {
return;
}
// obtain the difference between the current buffer and the new one
int sameIndex = 0;
for (int i = 0, l1 = buffer.length(), l2 = buf.buffer.length(); (i < l1) && (i < l2); i++) {
if (buffer.charAt(i) == buf.buffer.charAt(i)) {
sameIndex++;
} else {
break;
}
}
int diff = buf.buffer.length() - sameIndex;
backspace(diff); // go back for the differences
killLine(); // clear to the end of the line
buf.buffer.setLength(sameIndex); // the new length
putString(buffer.substring(sameIndex)); // append the differences
}
/**
* Paste the contents of the clipboard into the console buffer
*
* @return true if clipboard contents pasted
*/
public boolean paste() throws IOException {
Clipboard clipboard;
try { // May throw ugly exception on system without X
clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
} catch (Exception e) {
return false;
}
if (clipboard == null) {
return false;
}
Transferable transferable = clipboard.getContents(null);
if (transferable == null) {
return false;
}
try {
Object content = transferable.getTransferData(DataFlavor.plainTextFlavor);
/*
* This fix was suggested in bug #1060649 at
* http://sourceforge.net/tracker/index.php?func=detail&aid=1060649&group_id=64033&atid=506056
* to get around the deprecated DataFlavor.plainTextFlavor, but it
* raises a UnsupportedFlavorException on Mac OS X
*/
if (content == null) {
try {
content = new DataFlavor().getReaderForText(transferable);
} catch (Exception e) {
}
}
if (content == null) {
return false;
}
String value;
if (content instanceof Reader) {
// TODO: we might want instead connect to the input stream
// so we can interpret individual lines
value = "";
String line = null;
for (BufferedReader read = new BufferedReader((Reader) content);
(line = read.readLine()) != null; ) {
if (value.length() > 0) {
value += "\n";
}
value += line;
}
} else {
value = content.toString();
}
if (value == null) {
return true;
}
putString(value);
return true;
} catch (UnsupportedFlavorException ufe) {
if (debugger != null) debug(ufe + "");
return false;
}
}