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1
18 package org.apache.beehive.netui.pageflow;
19
20 import org.apache.struts.validator.ValidatorForm;
21 import org.apache.struts.validator.Resources;
22 import org.apache.struts.action.ActionErrors;
23 import org.apache.struts.action.ActionMapping;
24 import org.apache.struts.util.MessageResources;
25 import org.apache.struts.util.MessageResourcesFactory;
26 import org.apache.struts.config.ModuleConfig;
27 import org.apache.struts.Globals;
28 import org.apache.commons.validator.Validator;
29 import org.apache.commons.validator.ValidatorException;
30
31 import javax.servlet.http.HttpServletRequest  ;
32 import javax.servlet.ServletContext ;
33 import javax.servlet.ServletRequest ;
34
35 import org.apache.beehive.netui.util.logging.Logger;
36 import org.apache.beehive.netui.pageflow.config.PageFlowActionMapping;
37 import org.apache.beehive.netui.pageflow.internal.InternalExpressionUtils;
38 import org.apache.beehive.netui.pageflow.internal.InternalConstants;
39 import org.apache.beehive.netui.pageflow.internal.ExpressionAwareMessageResources;
40
41 import java.lang.reflect.Method ;
42 import java.lang.reflect.InvocationTargetException ;
43 import java.util.Locale ;
44 import java.util.HashMap ;
45
46
47
51 public class FormData extends ValidatorForm
52 {
53 private static final Logger _log = Logger.getInstance( FormData.class );
54
55 private static Method _legacyInitValidatorMethod = null;
60
61 static
62 {
63 try
64 {
65 _legacyInitValidatorMethod =
66 Resources.class.getMethod( "initValidator",
67 new Class []{
68 String .class,
69 Object .class,
70 ServletContext .class,
71 HttpServletRequest .class,
72 ActionErrors.class,
73 int.class
74 } );
75 }
76 catch ( NoSuchMethodException e )
77 {
78 }
80 }
81
82
85 public FormData()
86 {
87 super();
88 }
89
90 public ActionErrors validate( ActionMapping mapping, HttpServletRequest request )
91 {
92 return validateBean( this, mapping.getAttribute(), mapping, request );
93 }
94
95
98 private static class MergedMessageResources
99 extends MessageResources
100 {
101 private MessageResources _primary;
102 private MessageResources _backup;
103
104 public MergedMessageResources( MessageResources primary, MessageResources backup )
105 {
106 super( primary.getFactory(), primary.getConfig(), primary.getReturnNull() );
107 _primary = primary;
108 _backup = backup;
109 }
110
111 public String getMessage( Locale locale, String key )
112 {
113 String message = _primary.getMessage( locale, key );
114 if ( message == null ) message = _backup.getMessage( locale, key );
115 return message;
116 }
117 }
118
119
129 protected ActionErrors validateBean( Object bean, String beanName, ActionMapping mapping, HttpServletRequest request )
130 {
131 MessageResources messageResources = ( MessageResources ) request.getAttribute( Globals.MESSAGES_KEY );
132 ExpressionAwareMessageResources.update( messageResources, bean );
133
134 if ( mapping instanceof PageFlowActionMapping )
139 {
140 PageFlowActionMapping pfam = ( PageFlowActionMapping ) mapping;
141 String bundle = pfam.getFormBeanMessageResourcesKey();
142
143 if ( bundle != null )
144 {
145 MessageResources formBeanResources = ( MessageResources ) request.getAttribute( bundle );
146 ExpressionAwareMessageResources.update( formBeanResources, bean );
147
148 if ( formBeanResources != null )
149 {
150 if ( messageResources != null )
151 {
152 formBeanResources = new MergedMessageResources( messageResources, formBeanResources );
153 }
154
155 request.setAttribute( Globals.MESSAGES_KEY, formBeanResources );
156 messageResources = formBeanResources;
157 }
158 }
159 }
160
161 if ( messageResources == null )
165 {
166 messageResources = new ExpressionAwareMessageResources( bean, request, getServlet().getServletContext() );
167 request.setAttribute( Globals.MESSAGES_KEY, messageResources );
168 }
169
170
171 ServletContext servletContext = getServlet().getServletContext();
172 ActionErrors errors = new ActionErrors();
173
174 if ( Resources.getValidatorResources( servletContext, request ) != null )
178 {
179 try
180 {
181 Validator beanV = initValidator( beanName, bean, servletContext, request, errors, page );
185 validatorResults = beanV.validate();
186
187 Validator actionV = initValidator( mapping.getPath(), bean, servletContext, request, errors, page );
191 validatorResults.merge( actionV.validate() );
192 }
193 catch ( ValidatorException e )
194 {
195 _log.error( e.getMessage(), e );
196 }
197 }
198
199 if ( bean instanceof Validatable )
203 {
204 ( ( Validatable ) bean ).validate( mapping, request, errors );
205 }
206
207 return errors;
208 }
209
210 private static Validator initValidator( String beanName, Object bean, ServletContext context,
211 HttpServletRequest request, ActionErrors errors, int page )
212 {
213 if ( _legacyInitValidatorMethod != null )
214 {
215 try
216 {
217 Object [] args = new Object []{ beanName, bean, context, request, errors, new Integer ( page ) };
218 Validator validator = ( Validator ) _legacyInitValidatorMethod.invoke( Resources.class, args );
219
220 validator.addResource( "org.apache.struts.action.ActionMessages", errors );
224 return validator;
225 }
226 catch ( IllegalAccessException e )
227 {
228 assert false : e.getMessage();
229 throw new RuntimeException ( e );
230 }
231 catch ( InvocationTargetException e )
232 {
233 assert false : e.getMessage();
234 throw new RuntimeException ( e );
235 }
236 }
237 else
238 {
239 return Resources.initValidator( beanName, bean, context, request, errors, page );
240 }
241 }
242 }
243 |
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