ImageWriter.java 文件源码

/**
 * Removes an <code>IIOWriteWarningListener</code> from the list
 * of registered warning listeners.  If the listener was not
 * previously registered, or if <code>listener</code> is
 * <code>null</code>, no exception will be thrown and no action
 * will be taken.
 *
 * @param listener an <code>IIOWriteWarningListener</code> to be
 * deregistered.
 *
 * @see #addIIOWriteWarningListener
 */
public
    void removeIIOWriteWarningListener(IIOWriteWarningListener listener) {
    if (listener == null || warningListeners == null) {
        return;
    }
    int index = warningListeners.indexOf(listener);
    if (index != -1) {
        warningListeners.remove(index);
        warningLocales.remove(index);
        if (warningListeners.size() == 0) {
            warningListeners = null;
            warningLocales = null;
        }
    }
}