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: 93   Methods: 4
NCLOC: 55   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
CtClassSource.java - 93.8% 100% 95%
coverage coverage
 1   
 //  Copyright 2004 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   
 //
 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.service.impl;
 16   
 
 17   
 import javassist.ClassPath;
 18   
 import javassist.ClassPool;
 19   
 import javassist.CtClass;
 20   
 import javassist.LoaderClassPath;
 21   
 import javassist.NotFoundException;
 22   
 
 23   
 import org.apache.hivemind.ApplicationRuntimeException;
 24   
 import org.apache.hivemind.service.ClassFabUtils;
 25   
 
 26   
 /**
 27   
  * Wrapper around Javassist's {@link javassist.ClassPool} and
 28   
  * our own {@link org.apache.hivemind.service.impl.ClassFactoryClassLoader}
 29   
  * that manages the creation of new instance of {@link javassist.CtClass}
 30   
  * and converts finished CtClass's into instantiable Classes.
 31   
  *
 32   
  * @author Howard Lewis Ship
 33   
  */
 34   
 public class CtClassSource
 35   
 {
 36   
     private ClassPool _pool;
 37   
     private ClassFactoryClassLoader _loader;
 38   
 
 39  156
     public CtClassSource(ClassLoader parentLoader)
 40   
     {
 41  156
         _pool = new ClassPool(null);
 42   
 
 43  156
         ClassPath path = new LoaderClassPath(parentLoader);
 44   
 
 45  156
         _pool.appendClassPath(path);
 46   
 
 47  156
         _loader = new ClassFactoryClassLoader(parentLoader);
 48   
     }
 49   
 
 50  19941
     public CtClass getCtClass(Class searchClass)
 51   
     {
 52  19941
         String name = ClassFabUtils.getJavaClassName(searchClass);
 53   
 
 54  19941
         try
 55   
         {
 56  19941
             return _pool.get(name);
 57   
         }
 58   
         catch (NotFoundException ex)
 59   
         {
 60  0
             throw new ApplicationRuntimeException(
 61   
                 ServiceMessages.unableToLookupClass(name, ex),
 62   
                 ex);
 63   
         }
 64   
     }
 65   
 
 66  1369
     public CtClass newClass(String name, Class superClass)
 67   
     {
 68  1369
         CtClass ctSuperClass = getCtClass(superClass);
 69   
 
 70  1369
         return _pool.makeClass(name, ctSuperClass);
 71   
     }
 72   
 
 73  1363
     public Class createClass(CtClass ctClass)
 74   
     {
 75  1363
         String className = ctClass.getName();
 76   
 
 77  1363
         try
 78   
         {
 79  1363
             _pool.write(className);
 80   
 
 81  1362
             byte[] bytecode = _pool.write(className);
 82   
 
 83  1362
             return _loader.loadClass(className, bytecode);
 84   
         }
 85   
         catch (Throwable ex)
 86   
         {
 87  3
             throw new ApplicationRuntimeException(
 88   
                 ServiceMessages.unableToWriteClass(ctClass, ex),
 89   
                 ex);
 90   
         }
 91   
     }
 92   
 }
 93