/**
* Read a character from the console.
*
* @return the character, or -1 if an EOF is received.
*/
public final int readVirtualKey() throws IOException {
int c = terminal.readVirtualKey(in);
if (debugger != null) {
debug("keystroke: " + c + "");
}
// clear any echo characters
clearEcho(c);
return c;
}
/** Reads the console input and returns an array of the form [raw, key binding]. */
private int[] readBinding() throws IOException {
int c = readVirtualKey();
if (c == -1) {
return null;
}
// extract the appropriate key binding
short code = keybindings[c];
if (debugger != null) {
debug(" translated: " + (int) c + ": " + code);
}
return new int[] {c, code};
}
/**
* 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;
}
}