Created with Copy to Gist

gist.java

public class PrintTask {

    public static final String RESULT_SUCCESS = "SUCCESS_PRINT";
    public static final String RESULT_FAILURE = "FAILURE_PRINT";
    public static final String RESULT_TIMEOUT = "TIMEOUT_PRINT";
    public static final String RESULT_NOTHING = "NOTHING_RESULT";

    private String result = RESULT_NOTHING;

    public void getResult() throws PrintingException {
        while (result.equals(RESULT_NOTHING)) {
            synchronized (this) {
                try {
                    wait();
                } catch (Exception e) {
                    throw new PrintingException(e);
                }
            }
        }

        if (result.equals(RESULT_SUCCESS)) {
            return;
        }

        throw new PrintingException(result);
    }

    public void setResult(String result) {
        this.result = result;
        synchronized (this) {
            notify();
        }
    }
}