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.handler;
20:
21: import org.apache.struts.action.ActionForward;
22: import org.apache.struts.action.ActionMapping;
23: import org.apache.struts.action.ActionForm;
24:
25: import javax.servlet.http.HttpServletRequest;
26: import javax.servlet.http.HttpServletResponse;
27: import javax.servlet.ServletContext;
28: import javax.servlet.ServletException;
29:
30: import org.apache.beehive.netui.pageflow.FlowController;
31:
32: import java.io.IOException;
33:
34: /**
35: * Handler for exception processing.
36: */
37: public interface ExceptionsHandler extends Handler {
38: ActionForward handleException(FlowControllerHandlerContext context,
39: Throwable ex, ActionMapping actionMapping, ActionForm form)
40: throws IOException, ServletException;
41:
42: Throwable unwrapException(FlowControllerHandlerContext context,
43: Throwable ex);
44:
45: void exposeException(FlowControllerHandlerContext context,
46: Throwable ex, ActionMapping actionMapping);
47:
48: boolean eatUnhandledException(FlowControllerHandlerContext context,
49: Throwable ex);
50: }
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