1 package org.apache.maven.continuum.web.interceptor;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import com.opensymphony.xwork2.ActionInvocation;
23 import com.opensymphony.xwork2.interceptor.Interceptor;
24 import org.apache.maven.continuum.Continuum;
25 import org.apache.maven.continuum.configuration.ConfigurationService;
26
27 /**
28 * ForceContinuumConfigurationInterceptor:
29 *
30 * @author: Jesse McConnell <jmcconnell@apache.org>
31 * @version: $Id: ForceContinuumConfigurationInterceptor.java 729932 2008-12-29 16:32:22Z evenisse $
32 * @plexus.component role="com.opensymphony.xwork2.interceptor.Interceptor"
33 * role-hint="forceContinuumConfigurationInterceptor"
34 */
35 public class ForceContinuumConfigurationInterceptor
36 implements Interceptor
37 {
38 private static boolean checked = false;
39
40 /**
41 * @plexus.requirement
42 */
43 private Continuum continuum;
44
45 public void destroy()
46 {
47 // no-op
48 }
49
50 public void init()
51 {
52
53 }
54
55 /**
56 * 1) check to see if this interceptor has been successfully executed
57 * 2) check if the configuration service is initialized
58 * 3) load the configuration and see if that is initialized (addresses restore on empty db)
59 * 4) force the configuration screen
60 *
61 * @param invocation
62 * @return
63 * @throws Exception
64 */
65 public String intercept( ActionInvocation invocation )
66 throws Exception
67 {
68 if ( checked )
69 {
70 return invocation.invoke();
71 }
72
73 ConfigurationService configuration = continuum.getConfiguration();
74
75 if ( configuration.isInitialized() )
76 {
77 checked = true;
78 return invocation.invoke();
79 }
80
81 configuration.reload();
82
83 if ( configuration.isInitialized() )
84 {
85 checked = true;
86 return invocation.invoke();
87 }
88 else
89 {
90 return "continuum-configuration-required";
91 }
92
93 }
94 }