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1
20 package org.enhydra.barracuda.contrib.sam.examples.data;
21
22 import java.util.*;
23 import javax.servlet.http.*;
24 import javax.servlet.*;
25
26 import org.enhydra.barracuda.core.comp.*;
27 import org.enhydra.barracuda.core.event.*;
28 import org.enhydra.barracuda.core.event.helper.*;
29 import org.enhydra.barracuda.contrib.dbroggisch.display.*;
30 import org.enhydra.barracuda.contrib.sam.xmlform.*;
31 import org.enhydra.barracuda.contrib.sam.data.*;
32 import org.enhydra.barracuda.contrib.sam.models.*;
33 import org.apache.log4j.*;
34 import org.enhydra.barracuda.contrib.sam.examples.events.*;
35 import org.enhydra.barracuda.contrib.sam.examples.xmlc.*;
36
37 public class UserGateway extends DataObjectGateway {
38
39 protected static Logger logger = Logger.getLogger(UserGateway.class.getName());
41 protected Class  getDefaultEvent() { return org.enhydra.barracuda.contrib.sam.examples.events.User.class; }
42 protected Class getDefaultHandler() { return UserHandler.class; }
43 protected Class getDeleteEvent() { return UserDelete.class; }
44 protected Class getDeleteHandler() { return UserDeleteHandler.class; }
45 protected Class getListEvent() { return UserList.class; }
46 protected Class getListHandler() { return UserListHandler.class; }
47 protected Class getNewEvent() { return UserNew.class; }
48 protected Class getNewHandler() { return UserNewHandler.class; }
49 protected Class getSaveEvent() { return UserSave.class; }
50 protected Class getSaveHandler() { return UserSaveHandler.class; }
51 protected Class getRenderEvent() { return RenderUser.class; }
52 protected Class getRenderHandler() { return RenderUserHandler.class; }
53
54
57 public UserGateway() {
58 super();
59 logger.info("registering UserGateway's listeners");
60 specifyLocalEventInterests(new EventConnectorFactory(UserListHandler.class), UserList.class);
61 specifyLocalEventInterests(new EventConnectorFactory(RenderUserListHandler.class), RenderUserList.class);
62 specifyLocalEventInterests(new EventConnectorFactory(UserSaveEmailHandler.class), UserSaveEmail.class);
63 }
64
65 public static class UserConfig implements Config {
66
67 public DataObject getDataObject(String oid) throws DataObjectException {
68 return org.enhydra.barracuda.contrib.sam.examples.data.User.getUser(oid);
69 }
70
71 public String getFormName() { return "user";}
72 public String getMapName() { return "map"; }
73 public String getOidName() { return "oid"; }
74 public ViewEvent getViewEvent() { return new RenderUser(); }
75 public String getXmlFormName() { return "/WEB-INF/userform.xml"; }
76 }
77
78 public static class UserNewHandler extends DataObjectNewHandler {
79 public Config getConfig() { return new UserConfig(); }
80 }
81
82 public static class UserDeleteHandler extends DataObjectDeleteHandler {
83 public Config getConfig() { return new UserConfig(); }
84 }
85
86 public static class UserSaveHandler extends DataObjectSaveHandler {
87 public Config getConfig() { return new UserConfig(); }
88 protected Object modifyFormData(String key, Object value ) {
89 if (key.equals("password") && ((value==null) || ((String )value).length()==0)) return "sample";
90 return value;
91 }
92
93 }
94
95 public static class UserSaveEmailHandler extends DefaultBaseEventListener {
96 protected static Logger logger = Logger.getLogger(UserSaveEmailHandler.class.getName());
97 public void handleControlEvent(ControlEventContext context) throws EventException, javax.servlet.ServletException , java.io.IOException {
98 Config config = new UserConfig();
99
100 ErrorModel.create(context, new Exception ("the email feature is currently not implemented. This is just an example how you can override default behavior of the SaveHandler."));
101
103 }
104 }
105
106 public static class UserHandler extends DataObjectHandler {
107 public Config getConfig() { return new UserConfig(); }
108 }
109
110 public static class RenderUserHandler extends DataObjectViewHandler {
111
112 public Config getConfig() { return new UserConfig(); }
113
114 public Object getTemplateModels(ViewContext vc) {
115 List l = (List)super.getTemplateModels(vc);
116 l.add(new ErrorModel(vc));
117 HashMapModel hhm = new HashMapModel("Submit");
118 hhm.setItem("Save", new BAction(new UserSave()));
119 hhm.setItem("Delete", new BAction(new UserDelete()));
120 hhm.setItem("New", new BAction(new UserNew()));
121 hhm.setItem("SaveEmail", new BAction(new UserSaveEmail()));
122 l.add(hhm);
123 return l;
124 }
125
126 public Class getTemplateClass(ViewContext vc) {return userHTML.class;}
127 }
128
129 public static class UserListHandler extends DefaultBaseEventListener {
130
131 public void handleControlEvent(ControlEventContext context) throws EventException, javax.servlet.ServletException , java.io.IOException {
132 BaseEvent event = context.getEvent();
133 HttpServletRequest request = context.getRequest();
134 HttpSession session = request.getSession();
135
136 event.setHandled(true);
137 context.getQueue().addEvent(new RenderUserList());
138 }
139 }
140
141 public static class RenderUserListHandler extends BTemplateViewHandler {
142 public Object getTemplateModels() { return new UserListModel(); }
143 public Class getTemplateClass() {return userlistHTML.class;}
144 }
145
146 public static class UserListModel extends IterativeCollectionModel {
147
148 public UserListModel() {
149 super("Nav");
150 Collection l = org.enhydra.barracuda.contrib.sam.examples.data.User.getAll();
151 setModels(l);
152 }
153
154 public Object getItem(String key) {
155 try {
156 org.enhydra.barracuda.contrib.sam.examples.data.User user = (org.enhydra.barracuda.contrib.sam.examples.data.User)_current;
157 if (key.equals("Show")) {
158 BLink r = new BLink((String )user.get("login"), new org.enhydra.barracuda.contrib.sam.examples.events.User());
159 r.setParam("oid", (String )user.get("oid"));
160 return r;
161 }
162 else return super.getItem(key);
163 } catch (DataObjectException ex) {
164 logger.error(ex.getMessage(),ex);
165 return ex.getMessage();
166 }
167 }
168 }
169 }
170 |
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