Clover coverage report - Code Coverage for tapestry release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:05:49 EDT
file stats: LOC: 91   Methods: 2
NCLOC: 41   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
EnhancedClassValidatorImpl.java 100% 100% 100% 100%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.tapestry.enhance;
 16   
 
 17   
 import java.lang.reflect.Method;
 18   
 import java.lang.reflect.Modifier;
 19   
 import java.util.HashSet;
 20   
 import java.util.Set;
 21   
 
 22   
 import org.apache.hivemind.ErrorLog;
 23   
 import org.apache.hivemind.service.MethodSignature;
 24   
 import org.apache.tapestry.spec.IComponentSpecification;
 25   
 
 26   
 /**
 27   
  * Validates that an enhanced class is correct; checks that all inherited abstract methods are, in
 28   
  * fact, implemented in the class.
 29   
  * 
 30   
  * @author Howard M. Lewis Ship
 31   
  * @since 4.0
 32   
  */
 33   
 public class EnhancedClassValidatorImpl implements EnhancedClassValidator
 34   
 {
 35   
     private ErrorLog _errorLog;
 36   
 
 37  465
     public void validate(Class baseClass, Class enhancedClass, IComponentSpecification specification)
 38   
     {
 39  465
         Set implementedMethods = new HashSet();
 40   
 
 41  465
         Class current = enhancedClass;
 42   
 
 43  465
         while (true)
 44   
         {
 45  1275
             Method[] methods = current.getDeclaredMethods();
 46   
 
 47  1275
             for (int i = 0; i < methods.length; i++)
 48   
             {
 49  22292
                 Method m = methods[i];
 50   
 
 51  22292
                 boolean isAbstract = Modifier.isAbstract(m.getModifiers());
 52   
 
 53  22292
                 MethodSignature s = new MethodSignature(m);
 54   
 
 55  22292
                 if (isAbstract)
 56   
                 {
 57  2112
                     if (implementedMethods.contains(s))
 58  2111
                         continue;
 59   
 
 60  1
                     _errorLog.error(EnhanceMessages.noImplForAbstractMethod(m, current, baseClass
 61   
                             .getName(), enhancedClass), specification.getLocation(), null);
 62   
                 }
 63   
 
 64  20181
                 implementedMethods.add(s);
 65   
             }
 66   
 
 67   
             // An earlier version of this code walked the interfaces directly,
 68   
             // but it appears that implementing an interface actually
 69   
             // puts abstract method declarations into the class
 70   
             // (at least, in terms of what getDeclaredMethods() returns).
 71   
 
 72   
             // March up to the super class.
 73   
 
 74  1275
             current = current.getSuperclass();
 75   
 
 76   
             // Once advanced up to a concrete class, we trust that
 77   
             // the compiler did its checking. Alternately, if
 78   
             // we started on java.lang.Object for some reason, current
 79   
             // will be null and we can stop.S
 80   
 
 81  1275
             if (current == null || !Modifier.isAbstract(current.getModifiers()))
 82  465
                 break;
 83   
         }
 84   
 
 85   
     }
 86   
 
 87  46
     public void setErrorLog(ErrorLog errorLog)
 88   
     {
 89  46
         _errorLog = errorLog;
 90   
     }
 91   
 }