source: trunk/JavaHelperLib/src/de/ugoe/cs/util/console/ConsoleObserver.java @ 16

package de.ugoe.cs.util.console;

/**
 * <p>
 * Observer for Console.
 * </p>
 * 
 * @author Steffen Herbold
 */
public interface ConsoleObserver {

        /**
         * <p>
         * If a new message is send to the console, all observers are updated using
         * this method.
         * </p>
         * 
         * @param newMessage
         *            message that was send to the console.
         */
        public void updateText(String newMessage);

        /**
         * <p>
         * Send messages to the error stream of all observers.
         * </p>
         * 
         * @param errMessage
         *            error message
         */
        public void errStream(String errMessage);

        /**
         * <p>
         * Send messages to the trace stream of all observers.
         * </p>
         * 
         * @param traceMesssage
         *            error message
         */
        public void trace(String traceMessage);

        /**
         * <p>
         * Prints the stack trace of an exception.
         * </p>
         * 
         * @param e
         *            exception whose stack trace is to be printed
         */
        public void printStacktrace(Exception e);

}