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: 144   Methods: 8
NCLOC: 87   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ApplicationSpecificationInitializer.java 100% 100% 100% 100%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
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 // Licensed under the Apache License, Version 2.0 (the "License");
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 // you may not use this file except in compliance with the License.
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 // You may obtain a copy of the License at
 6   
 //
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 //     http://www.apache.org/licenses/LICENSE-2.0
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 //
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 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
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 // 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.
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 15   
 package org.apache.tapestry.services.impl;
 16   
 
 17   
 import javax.servlet.ServletContext;
 18   
 import javax.servlet.http.HttpServlet;
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 20   
 import org.apache.commons.logging.Log;
 21   
 import org.apache.hivemind.Resource;
 22   
 import org.apache.hivemind.util.ContextResource;
 23   
 import org.apache.tapestry.parse.ISpecificationParser;
 24   
 import org.apache.tapestry.services.ApplicationGlobals;
 25   
 import org.apache.tapestry.services.ApplicationInitializer;
 26   
 import org.apache.tapestry.services.ClasspathResourceFactory;
 27   
 import org.apache.tapestry.spec.ApplicationSpecification;
 28   
 import org.apache.tapestry.spec.IApplicationSpecification;
 29   
 import org.apache.tapestry.web.HttpServletWebActivator;
 30   
 
 31   
 /**
 32   
  * Locates the application specification and informs the
 33   
  * {@link org.apache.tapestry.services.ServletInfo}service about it.
 34   
  * 
 35   
  * @author Howard Lewis Ship
 36   
  * @since 4.0
 37   
  */
 38   
 public class ApplicationSpecificationInitializer implements ApplicationInitializer
 39   
 {
 40   
     private Log _log;
 41   
 
 42   
     private ClasspathResourceFactory _classpathResourceFactory;
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 44   
     private ApplicationGlobals _globals;
 45   
 
 46   
     private ISpecificationParser _parser;
 47   
 
 48   
     public static final String APP_SPEC_PATH_PARAM = "org.apache.tapestry.application-specification";
 49   
 
 50  50
     public void initialize(HttpServlet servlet)
 51   
     {
 52  50
         IApplicationSpecification spec = null;
 53   
 
 54  50
         Resource specResource = findApplicationSpecification(servlet);
 55   
 
 56  50
         if (specResource == null)
 57   
         {
 58  17
             _log.debug(ImplMessages.noApplicationSpecification(servlet));
 59   
 
 60  17
             spec = constructStandinSpecification(servlet);
 61   
         }
 62   
         else
 63  33
             spec = _parser.parseApplicationSpecification(specResource);
 64   
 
 65  50
         _globals.storeActivator(new HttpServletWebActivator(servlet));
 66  50
         _globals.storeSpecification(spec);
 67   
     }
 68   
 
 69  50
     private Resource findApplicationSpecification(HttpServlet servlet)
 70   
     {
 71  50
         String path = servlet.getInitParameter(APP_SPEC_PATH_PARAM);
 72   
 
 73  50
         if (path != null)
 74  26
             return _classpathResourceFactory.newResource(path);
 75   
 
 76  24
         ServletContext context = servlet.getServletContext();
 77  24
         String servletName = servlet.getServletName();
 78  24
         String expectedName = servletName + ".application";
 79   
 
 80  24
         Resource webInfLocation = new ContextResource(context, "/WEB-INF/");
 81  24
         Resource webInfAppLocation = webInfLocation.getRelativeResource(servletName + "/");
 82   
 
 83  24
         Resource result = check(webInfAppLocation, expectedName);
 84  24
         if (result != null)
 85  2
             return result;
 86   
 
 87  22
         return check(webInfLocation, expectedName);
 88   
     }
 89   
 
 90  46
     private Resource check(Resource resource, String name)
 91   
     {
 92  46
         Resource result = resource.getRelativeResource(name);
 93   
 
 94  46
         if (_log.isDebugEnabled())
 95  1
             _log.debug("Checking for existence of " + result);
 96   
 
 97  46
         if (result.getResourceURL() != null)
 98   
         {
 99  7
             _log.debug("Found " + result);
 100  7
             return result;
 101   
         }
 102   
 
 103  39
         return null;
 104   
     }
 105   
 
 106  17
     private IApplicationSpecification constructStandinSpecification(HttpServlet servlet)
 107   
     {
 108  17
         String servletName = servlet.getServletName();
 109   
 
 110  17
         ApplicationSpecification result = new ApplicationSpecification();
 111   
 
 112   
         // Pretend the file exists in the most common expected location.
 113   
 
 114  17
         Resource virtualLocation = new ContextResource(servlet.getServletContext(), "/WEB-INF/"
 115   
                 + servletName + ".application");
 116   
 
 117  17
         result.setSpecificationLocation(virtualLocation);
 118   
 
 119  17
         result.setName(servletName);
 120   
 
 121  17
         return result;
 122   
     }
 123   
 
 124  50
     public void setClasspathResourceFactory(ClasspathResourceFactory factory)
 125   
     {
 126  50
         _classpathResourceFactory = factory;
 127   
     }
 128   
 
 129  50
     public void setLog(Log log)
 130   
     {
 131  50
         _log = log;
 132   
     }
 133   
 
 134  50
     public void setGlobals(ApplicationGlobals globals)
 135   
     {
 136  50
         _globals = globals;
 137   
     }
 138   
 
 139  49
     public void setParser(ISpecificationParser parser)
 140   
     {
 141  49
         _parser = parser;
 142   
     }
 143   
 
 144   
 }