FacesBackingChecker


1   /*
2   * Copyright 2004 The Apache Software Foundation.
3   *
4   * Licensed under the Apache License, Version 2.0 (the "License");
5   * you may not use this file except in compliance with the License.
6   * You may obtain a copy of the License at
7   * 
8   *     http://www.apache.org/licenses/LICENSE-2.0
9   * 
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  * $Header:$
17  */
18  package org.apache.beehive.netui.compiler;
19  
20  import org.apache.beehive.netui.compiler.grammar.CommandHandlerGrammar;
21  import org.apache.beehive.netui.compiler.typesystem.declaration.ClassDeclaration;
22  import org.apache.beehive.netui.compiler.typesystem.declaration.MethodDeclaration;
23  import org.apache.beehive.netui.compiler.typesystem.env.AnnotationProcessorEnvironment;
24  
25  import java.util.HashMap  ;
26  import java.util.Map  ;
27  
28  
29  public class FacesBackingChecker
30          extends BaseChecker
31          implements JpfLanguageConstants
32  {
33      public FacesBackingChecker( AnnotationProcessorEnvironment env, FacesBackingInfo fbInfo, Diagnostics diags )
34      {
35          super( env, fbInfo, diags );
36      }
37      
38      public Map   onCheck( ClassDeclaration jclass )
39              throws FatalCompileTimeException
40      {
41          if ( ! CompilerUtils.isAssignableFrom( FACES_BACKING_BEAN_CLASS, jclass, getEnv() ))
42          {
43              getDiagnostics().addError( jclass, "error.does-not-extend-base", FACES_BACKING_BEAN_CLASS );
44              return null;
45          }
46          
47          ClassDeclaration[] packageClasses = jclass.getPackage().getClasses();
48          ClassDeclaration jpfClass = null;
49          
50          for ( int i = 0; i < packageClasses.length; i++ )
51          {
52              ClassDeclaration classDecl = packageClasses[i];
53              if ( CompilerUtils.isPageFlowClass( classDecl, getEnv() ) ) jpfClass = classDecl;
54          }
55          
56          FlowControllerInfo fcInfo = new FlowControllerInfo( jpfClass );
57          fcInfo.startBuild( getEnv(), jpfClass );
58          
59          CommandHandlerGrammar chg =
60                  new CommandHandlerGrammar( getEnv(), getDiagnostics(), getRuntimeVersionChecker(), jpfClass, fcInfo );
61          MethodDeclaration[] methods = CompilerUtils.getClassMethods( jclass, COMMAND_HANDLER_TAG_NAME );
62  
63          for ( int i = 0; i < methods.length; i++ )
64          {
65              MethodDeclaration method = methods[i];
66              getFBSourceFileInfo().addCommandHandler( method.getSimpleName() );
67              chg.check( CompilerUtils.getAnnotation( method, COMMAND_HANDLER_TAG_NAME ), null, method );
68          }
69          
70          Map   checkResultMap = new HashMap  ();
71          checkResultMap.put( JpfLanguageConstants.ExtraInfoKeys.facesBackingInfo, getSourceFileInfo() );
72          return checkResultMap;
73      }
74  
75      protected FacesBackingInfo getFBSourceFileInfo()
76      {
77          return ( FacesBackingInfo ) super.getSourceFileInfo();
78      }
79  }
80
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