static {
Clipboard systemClipboard = null;
try {
// if we don't have access to the system clipboard, will throw
// a security exception
SecurityManager mgr = System.getSecurityManager();
if (mgr != null) {
mgr.checkSystemClipboardAccess();
}
systemClipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
} catch (SecurityException e) {
// means we can't get to system clipboard, so create app level one
systemClipboard = new Clipboard("UIResourceMgr");
} catch (Exception e) {
e.printStackTrace();
}
SYSTEM_CLIPBOARD = systemClipboard;
}
private boolean canAccessSystemClipboard() {
boolean b = false;
if (!GraphicsEnvironment.isHeadless()) {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
try {
sm.checkSystemClipboardAccess();
b = true;
} catch (SecurityException se) {
if (log.isLoggable(Level.FINE)) {
log.log(Level.FINE, "InputEvent.canAccessSystemClipboard() got SecurityException ", se);
}
}
} else {
b = true;
}
}
return b;
}
public void selectionDone(SelectionEvent evt) {
if (!useUnixTextSelection) return;
Object o = evt.getSelection();
if (!(o instanceof CharacterIterator)) return;
CharacterIterator iter = (CharacterIterator) o;
// first see if we can access the clipboard
SecurityManager securityManager;
securityManager = System.getSecurityManager();
if (securityManager != null) {
try {
securityManager.checkSystemClipboardAccess();
} catch (SecurityException e) {
return; // Can't access clipboard.
}
}
int sz = iter.getEndIndex() - iter.getBeginIndex();
if (sz == 0) return;
char[] cbuff = new char[sz];
cbuff[0] = iter.first();
for (int i = 1; i < cbuff.length; ++i) {
cbuff[i] = iter.next();
}
final String strSel = new String(cbuff);
// HACK: getSystemClipboard sometimes deadlocks on
// linux when called from the AWT Thread. The Thread
// creation prevents that.
new Thread() {
public void run() {
Clipboard cb;
cb = Toolkit.getDefaultToolkit().getSystemClipboard();
StringSelection sel;
sel = new StringSelection(strSel);
cb.setContents(sel, sel);
}
}.start();
}
@Override
public void checkSystemClipboardAccess() {
if (finalSecurityManager != null) finalSecurityManager.checkSystemClipboardAccess();
}