@SuppressWarnings("unchecked") protected TypeFilter createTypeFilter(Element element, ClassLoader classLoader) { String filterType = element.getAttribute(FILTER_TYPE_ATTRIBUTE); String expression = element.getAttribute(FILTER_EXPRESSION_ATTRIBUTE); try { if ("annotation".equals(filterType)) { return new AnnotationTypeFilter((Class<Annotation>) classLoader.loadClass(expression)); } else if ("assignable".equals(filterType)) { return new AssignableTypeFilter(classLoader.loadClass(expression)); } else if ("aspectj".equals(filterType)) { return new AspectJTypeFilter(expression, classLoader); } else if ("regex".equals(filterType)) { return new RegexPatternTypeFilter(Pattern.compile(expression)); } else if ("custom".equals(filterType)) { Class<?> filterClass = classLoader.loadClass(expression); if (!TypeFilter.class.isAssignableFrom(filterClass)) { throw new IllegalArgumentException( "Class is not assignable to [" + TypeFilter.class.getName() + "]: " + expression); } return (TypeFilter) BeanUtils.instantiateClass(filterClass); } else { throw new IllegalArgumentException("Unsupported filter type: " + filterType); } } catch (ClassNotFoundException ex) { throw new FatalBeanException("Type filter class not found: " + expression, ex); } }
@SuppressWarnings("unchecked") protected TypeFilter createTypeFilter(Element element, ClassLoader classLoader, ParserContext parserContext) { String filterType = element.getAttribute(FILTER_TYPE_ATTRIBUTE); String expression = element.getAttribute(FILTER_EXPRESSION_ATTRIBUTE); expression = parserContext.getReaderContext().getEnvironment().resolvePlaceholders(expression); try { if ("annotation".equals(filterType)) { return new AnnotationTypeFilter((Class<Annotation>) classLoader.loadClass(expression)); } else if ("assignable".equals(filterType)) { return new AssignableTypeFilter(classLoader.loadClass(expression)); } else if ("aspectj".equals(filterType)) { return new AspectJTypeFilter(expression, classLoader); } else if ("regex".equals(filterType)) { return new RegexPatternTypeFilter(Pattern.compile(expression)); } else if ("custom".equals(filterType)) { Class<?> filterClass = classLoader.loadClass(expression); if (!TypeFilter.class.isAssignableFrom(filterClass)) { throw new IllegalArgumentException( "Class is not assignable to [" + TypeFilter.class.getName() + "]: " + expression); } return (TypeFilter) BeanUtils.instantiateClass(filterClass); } else { throw new IllegalArgumentException("Unsupported filter type: " + filterType); } } catch (ClassNotFoundException ex) { throw new FatalBeanException("Type filter class not found: " + expression, ex); } }
private void assertMatch(String type, String typePattern) throws Exception { MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory(); MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(type); AspectJTypeFilter filter = new AspectJTypeFilter(typePattern, getClass().getClassLoader()); assertTrue(filter.match(metadataReader, metadataReaderFactory)); ClassloadingAssertions.assertClassNotLoaded(type); }
private void assertNoMatch(String type, String typePattern) throws Exception { MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory(); MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(type); AspectJTypeFilter filter = new AspectJTypeFilter(typePattern, getClass().getClassLoader()); assertFalse(filter.match(metadataReader, metadataReaderFactory)); ClassloadingAssertions.assertClassNotLoaded(type); }
private TypeFilter createTypeFilter(FilterType filterType, String pattern) { switch (filterType) { case ASPECTJ: return new AspectJTypeFilter(pattern, this.classLoader); case REGEX: return new RegexPatternTypeFilter(Pattern.compile(pattern)); } throw new IllegalArgumentException( "Filter type not supported with String pattern: " + filterType); }
private List<TypeFilter> typeFiltersFor(AnnotationAttributes filterAttributes) { List<TypeFilter> typeFilters = new ArrayList<TypeFilter>(); FilterType filterType = filterAttributes.getEnum("type"); for (Class<?> filterClass : filterAttributes.getClassArray("value")) { switch (filterType) { case ANNOTATION: Assert.isAssignable(Annotation.class, filterClass, "An error occured while processing a @ComponentScan ANNOTATION type filter: "); @SuppressWarnings("unchecked") Class<Annotation> annotationType = (Class<Annotation>) filterClass; typeFilters.add(new AnnotationTypeFilter(annotationType)); break; case ASSIGNABLE_TYPE: typeFilters.add(new AssignableTypeFilter(filterClass)); break; case CUSTOM: Assert.isAssignable(TypeFilter.class, filterClass, "An error occured while processing a @ComponentScan CUSTOM type filter: "); typeFilters.add(BeanUtils.instantiateClass(filterClass, TypeFilter.class)); break; default: throw new IllegalArgumentException("Filter type not supported with Class value: " + filterType); } } for (String expression : filterAttributes.getStringArray("pattern")) { switch (filterType) { case ASPECTJ: typeFilters.add(new AspectJTypeFilter(expression, this.resourceLoader.getClassLoader())); break; case REGEX: typeFilters.add(new RegexPatternTypeFilter(Pattern.compile(expression))); break; default: throw new IllegalArgumentException("Filter type not supported with String pattern: " + filterType); } } return typeFilters; }
private List<TypeFilter> typeFiltersFor(AnnotationAttributes filterAttributes) { List<TypeFilter> typeFilters = new ArrayList<TypeFilter>(); FilterType filterType = filterAttributes.getEnum("type"); for (Class<?> filterClass : filterAttributes.getAliasedClassArray("classes", ComponentScan.Filter.class, null)) { switch (filterType) { case ANNOTATION: Assert.isAssignable(Annotation.class, filterClass, "An error occured while processing a @ComponentScan ANNOTATION type filter: "); @SuppressWarnings("unchecked") Class<Annotation> annotationType = (Class<Annotation>) filterClass; typeFilters.add(new AnnotationTypeFilter(annotationType)); break; case ASSIGNABLE_TYPE: typeFilters.add(new AssignableTypeFilter(filterClass)); break; case CUSTOM: Assert.isAssignable(TypeFilter.class, filterClass, "An error occured while processing a @ComponentScan CUSTOM type filter: "); typeFilters.add(BeanUtils.instantiateClass(filterClass, TypeFilter.class)); break; default: throw new IllegalArgumentException("Filter type not supported with Class value: " + filterType); } } for (String expression : filterAttributes.getStringArray("pattern")) { switch (filterType) { case ASPECTJ: typeFilters.add(new AspectJTypeFilter(expression, this.resourceLoader.getClassLoader())); break; case REGEX: typeFilters.add(new RegexPatternTypeFilter(Pattern.compile(expression))); break; default: throw new IllegalArgumentException("Filter type not supported with String pattern: " + filterType); } } return typeFilters; }
private List<TypeFilter> typeFiltersFor(AnnotationAttributes filterAttributes) { List<TypeFilter> typeFilters = new ArrayList<TypeFilter>(); FilterType filterType = filterAttributes.getEnum("type"); for (Class<?> filterClass : filterAttributes.getAliasedClassArray("classes", ComponentScan.Filter.class, null)) { switch (filterType) { case ANNOTATION: Assert.isAssignable(Annotation.class, filterClass, "An error occured while processing a @ComponentScan ANNOTATION type filter: "); @SuppressWarnings("unchecked") Class<Annotation> annotationType = (Class<Annotation>) filterClass; typeFilters.add(new AnnotationTypeFilter(annotationType)); break; case ASSIGNABLE_TYPE: typeFilters.add(new AssignableTypeFilter(filterClass)); break; case CUSTOM: Assert.isAssignable(TypeFilter.class, filterClass, "An error occured while processing a @ComponentScan CUSTOM type filter: "); TypeFilter filter = BeanUtils.instantiateClass(filterClass, TypeFilter.class); invokeAwareMethods(filter); typeFilters.add(filter); break; default: throw new IllegalArgumentException("Filter type not supported with Class value: " + filterType); } } for (String expression : filterAttributes.getStringArray("pattern")) { switch (filterType) { case ASPECTJ: typeFilters.add(new AspectJTypeFilter(expression, this.resourceLoader.getClassLoader())); break; case REGEX: typeFilters.add(new RegexPatternTypeFilter(Pattern.compile(expression))); break; default: throw new IllegalArgumentException("Filter type not supported with String pattern: " + filterType); } } return typeFilters; }