diff -r 000000000000 -r 0678c9589013 samples/trycatchredo/src/org/apidesign/exceptions/trycatchredo/usage/QueryStream.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/trycatchredo/src/org/apidesign/exceptions/trycatchredo/usage/QueryStream.java	Sun Feb 01 16:29:46 2009 +0100
@@ -0,0 +1,65 @@
+package org.apidesign.exceptions.trycatchredo.usage;
+
+import org.apidesign.exceptions.trycatchredo.api.UserQuestionException;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import javax.swing.JOptionPane;
+
+public final class QueryStream extends OutputStream {
+    private ByteArrayOutputStream arr = new ByteArrayOutputStream();
+    /** this field can be manipulated by the QueryException */
+    Boolean reverse;
+
+    @Override
+    public synchronized void write(byte[] b, int off, int len) throws IOException {
+        if (reverse == null) {
+            throw new QueryException();
+        }
+        arr.write(b, off, len);
+    }
+
+    @Override
+    public synchronized void write(int b) throws IOException {
+        if (reverse == null) {
+            throw new QueryException();
+        }
+        arr.write(b);
+    }
+
+    @Override
+    public String toString() {
+        if (reverse == null) {
+            return "Reverse question was not answered yet!";
+        }
+        if (reverse) {
+            StringBuilder sb = new StringBuilder();
+            sb.append(arr.toString());
+            sb.reverse();
+            return sb.toString();
+        }
+        return arr.toString();
+    }
+
+    private class QueryException extends UserQuestionException {
+
+        @Override
+        public JOptionPane getQuestionPane() {
+            JOptionPane p = new JOptionPane("Store in reverse way?");
+            p.setOptionType(JOptionPane.YES_NO_CANCEL_OPTION);
+            return p;
+        }
+
+        @Override
+        public void confirm(Object option) {
+            if (option.equals(JOptionPane.YES_OPTION)) {
+                reverse = Boolean.TRUE;
+                return;
+            }
+            if (option.equals(JOptionPane.NO_OPTION)) {
+                reverse = Boolean.FALSE;
+                return;
+            }
+        }
+    }
+}