01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.netui.pageflow;
20:
21: import org.apache.beehive.netui.pageflow.internal.ReturnToException;
22:
23: /**
24: * Exception that occurs when the
25: * <code>navigateTo={@link org.apache.beehive.netui.pageflow.annotations.Jpf.NavigateTo#previousAction previousAction}</code>,
26: * <code>navigateTo={@link org.apache.beehive.netui.pageflow.annotations.Jpf.NavigateTo#currentPage currentPage}</code>, or
27: * <code>navigateTo={@link org.apache.beehive.netui.pageflow.annotations.Jpf.NavigateTo#previousPage previousPage}</code>
28: * attribute is used on a {@link org.apache.beehive.netui.pageflow.annotations.Jpf.Forward @Jpf.Forward}, a
29: * {@link org.apache.beehive.netui.pageflow.annotations.Jpf.SimpleAction @Jpf.SimpleAction}, or a
30: * {@link org.apache.beehive.netui.pageflow.annotations.Jpf.ConditionalForward @Jpf.ConditionalForward},
31: * but there is no current page flow. This may happen when the user session expires, or when the web application has
32: * been redeployed.
33: */
34: public class NoCurrentPageFlowException extends ReturnToException {
35: public NoCurrentPageFlowException(String actionName, Forward fwd) {
36: super (actionName, fwd, null);
37: }
38:
39: protected String[] getMessageParts() {
40: return new String[] { "No current page flow for return-to=\"",
41: "\" on action ", "." };
42: }
43:
44: /**
45: * Tell whether the root cause may be session expiration in cases where the requested session ID is different than
46: * the actual session ID. In this case, the answer is <code>true</code>.
47: */
48: public boolean causeMayBeSessionExpiration() {
49: return true;
50: }
51: }
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