Clover coverage report - Code Coverage for hivemind release 1.0-rc-1
Coverage timestamp: Wed Aug 25 2004 13:06:02 EDT
file stats: LOC: 113   Methods: 6
NCLOC: 58   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
DefaultClassResolver.java 87.5% 94.7% 100% 93.9%
coverage coverage
 1   
 //  Copyright 2004 The Apache Software Foundation
 2   
 //
 3   
 // 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.
 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.hivemind.impl;
 16   
 
 17   
 import java.net.URL;
 18   
 
 19   
 import org.apache.commons.logging.Log;
 20   
 import org.apache.commons.logging.LogFactory;
 21   
 import org.apache.hivemind.ApplicationRuntimeException;
 22   
 import org.apache.hivemind.ClassResolver;
 23   
 
 24   
 /**
 25   
  * Default implementation of {@link org.apache.hivemind.ClassResolver} based
 26   
  * around {@link Thread#getContextClassLoader()} (which is set by the
 27   
  * servlet container).
 28   
  *
 29   
  * @author Howard Lewis Ship
 30   
  */
 31   
 public class DefaultClassResolver implements ClassResolver
 32   
 {
 33   
     private static final Log LOG = LogFactory.getLog(DefaultClassResolver.class);
 34   
 
 35   
     private ClassLoader _loader;
 36   
 
 37   
     /**
 38   
      * Constructs a new instance using
 39   
      * {@link Thread#getContextClassLoader()}.
 40   
      * 
 41   
      **/
 42   
 
 43  388
     public DefaultClassResolver()
 44   
     {
 45  388
         this(Thread.currentThread().getContextClassLoader());
 46   
     }
 47   
 
 48  389
     public DefaultClassResolver(ClassLoader loader)
 49   
     {
 50  389
         _loader = loader;
 51   
     }
 52   
 
 53  13
     public URL getResource(String name)
 54   
     {
 55  13
         boolean debug = LOG.isDebugEnabled();
 56   
 
 57  13
         if (debug)
 58  5
             LOG.debug("getResource(" + name + ")");
 59   
 
 60  13
         String stripped = removeLeadingSlash(name);
 61   
 
 62  13
         URL result = _loader.getResource(stripped);
 63   
 
 64  13
         if (debug)
 65   
         {
 66  5
             if (result == null)
 67  3
                 LOG.debug("Not found.");
 68   
             else
 69  2
                 LOG.debug("Found as " + result);
 70   
         }
 71   
 
 72  13
         return result;
 73   
     }
 74   
 
 75  13
     private String removeLeadingSlash(String name)
 76   
     {
 77  13
         if (name.startsWith("/"))
 78  13
             return name.substring(1);
 79   
 
 80  0
         return name;
 81   
     }
 82   
 
 83   
     /**
 84   
      * Invokes {@link Class#forName(java.lang.String, boolean, java.lang.ClassLoader)}.
 85   
      *  
 86   
      * @param name the complete class name to locate and load
 87   
      * @return The loaded class
 88   
      * @throws ApplicationRuntimeException if loading the class throws an exception
 89   
      * (typically  {@link ClassNotFoundException} or a security exception)
 90   
      * 
 91   
      */
 92   
 
 93  8082
     public Class findClass(String name)
 94   
     {
 95  8082
         try
 96   
         {
 97  8082
             return Class.forName(name, true, _loader);
 98   
         }
 99   
         catch (Throwable t)
 100   
         {
 101  3
             throw new ApplicationRuntimeException(
 102   
                 ImplMessages.unableToLoadClass(name, _loader, t),
 103   
                 t);
 104   
         }
 105   
     }
 106   
 
 107  239
     public ClassLoader getClassLoader()
 108   
     {
 109  239
         return _loader;
 110   
     }
 111   
 
 112   
 }
 113