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: 97   Methods: 3
NCLOC: 46   Classes: 1
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover
 
 Source file Conditionals Statements Methods TOTAL
NamespaceClassSearchPageClassProvider.java 100% 100% 100% 100%
coverage
 1   
 // Copyright 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.pageload;
 16   
 
 17   
 import java.util.ArrayList;
 18   
 import java.util.Iterator;
 19   
 import java.util.List;
 20   
 import java.util.StringTokenizer;
 21   
 
 22   
 import org.apache.hivemind.ClassResolver;
 23   
 import org.apache.tapestry.INamespace;
 24   
 
 25   
 /**
 26   
  * Searches for a class with a name matching the page name. Searches in the default Java package,
 27   
  * and possibly additional packages defined as meta-data within the namespace.
 28   
  * 
 29   
  * @author Howard M. Lewis Ship
 30   
  * @since 4.0
 31   
  */
 32   
 public class NamespaceClassSearchPageClassProvider implements PageClassProvider
 33   
 {
 34   
     private ClassResolver _classResolver;
 35   
 
 36   
     /**
 37   
      * Property, defined as meta data of the containing namespace, that defines a comma-seperated
 38   
      * list of packages to search for page classes within.
 39   
      */
 40   
 
 41   
     public static final String PACKAGES_NAME = "org.apache.tapestry.page-class-packages";
 42   
 
 43  47
     public String providePageClassName(PageClassProviderContext context)
 44   
     {
 45  47
         List packages = buildPackageSearchList(context.getNamespace());
 46  47
         String pageClassName = context.getPageName().replace('/', '.');
 47   
 
 48  47
         Iterator i = packages.iterator();
 49  47
         while (i.hasNext())
 50   
         {
 51  48
             String packagePrefix = (String) i.next();
 52  48
             String className = packagePrefix + pageClassName;
 53   
 
 54  48
             Class clazz = _classResolver.checkForClass(className);
 55   
 
 56  48
             if (clazz != null)
 57  1
                 return className;
 58   
         }
 59   
 
 60  46
         return null;
 61   
     }
 62   
 
 63   
     /**
 64   
      * Returns a List of String -- prefixes to apply to the page name to form a fully qualified
 65   
      * class name.
 66   
      */
 67   
 
 68  49
     List buildPackageSearchList(INamespace namespace)
 69   
     {
 70  49
         List result = new ArrayList();
 71   
 
 72  49
         String packages = namespace.getPropertyValue(PACKAGES_NAME);
 73   
 
 74  49
         if (packages != null)
 75   
         {
 76  3
             StringTokenizer tokenizer = new StringTokenizer(packages, ", ");
 77   
 
 78  3
             while (tokenizer.hasMoreTokens())
 79   
             {
 80  4
                 String packageName = tokenizer.nextToken();
 81   
 
 82  4
                 result.add(packageName + ".");
 83   
             }
 84   
         }
 85   
 
 86   
         // Search in the default package as well.
 87   
 
 88  49
         result.add("");
 89   
 
 90  49
         return result;
 91   
     }
 92   
 
 93  23
     public void setClassResolver(ClassResolver classResolver)
 94   
     {
 95  23
         _classResolver = classResolver;
 96   
     }
 97   
 }