| Clover coverage report - Code Coverage for hivemind release 1.2.1 |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| HiveMindClassPool.java | 100% | 100% | 100% | 100% |
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| 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.hivemind.service.impl; | |
| 16 | ||
| 17 | import java.util.HashSet; | |
| 18 | import java.util.Set; | |
| 19 | ||
| 20 | import javassist.CannotCompileException; | |
| 21 | import javassist.ClassPath; | |
| 22 | import javassist.ClassPool; | |
| 23 | import javassist.CtClass; | |
| 24 | import javassist.LoaderClassPath; | |
| 25 | ||
| 26 | /** | |
| 27 | * Used to ensure that {@link javassist.ClassPool#appendClassPath(javassist.ClassPath)} is invoked | |
| 28 | * with a synchronized lock. Additionally, wraps around a shared | |
| 29 | * {@link org.apache.hivemind.service.impl.ClassFactoryClassLoader}. | |
| 30 | * | |
| 31 | * @author Howard Lewis Ship | |
| 32 | */ | |
| 33 | public class HiveMindClassPool extends ClassPool | |
| 34 | { | |
| 35 | private ClassFactoryClassLoader _loader = new ClassFactoryClassLoader(); | |
| 36 | ||
| 37 | /** | |
| 38 | * Used to identify which class loaders have already been integrated into the pool. | |
| 39 | */ | |
| 40 | private Set _loaders = new HashSet(); | |
| 41 | ||
| 42 | 145 | public HiveMindClassPool() |
| 43 | { | |
| 44 | 145 | super(null); |
| 45 | ||
| 46 | 145 | appendClassLoader(Thread.currentThread().getContextClassLoader()); |
| 47 | } | |
| 48 | ||
| 49 | /** | |
| 50 | * Convienience method for adding to the ClassPath for a particular class loader. | |
| 51 | */ | |
| 52 | 23208 | public synchronized void appendClassLoader(ClassLoader loader) |
| 53 | { | |
| 54 | 23208 | if (loader == null || loader == _loader || _loaders.contains(loader)) |
| 55 | 23063 | return; |
| 56 | ||
| 57 | 145 | _loader.addDelegateLoader(loader); |
| 58 | ||
| 59 | 145 | ClassPath path = new LoaderClassPath(loader); |
| 60 | ||
| 61 | 145 | appendClassPath(path); |
| 62 | ||
| 63 | 145 | _loaders.add(loader); |
| 64 | } | |
| 65 | ||
| 66 | /** | |
| 67 | * Invoked to convert an fabricated class into a real class. The new classes' class loader will | |
| 68 | * be the delegating ClassFactoryClassLoader, which has visibility to all class loaders for all | |
| 69 | * modules. | |
| 70 | * | |
| 71 | * @since 1.1 | |
| 72 | */ | |
| 73 | 2104 | public Class toClass(CtClass ctClass) throws CannotCompileException |
| 74 | { | |
| 75 | 2104 | return ctClass.toClass(_loader); |
| 76 | } | |
| 77 | } |
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