Package org.springframework.core.type.classreading

Examples of org.springframework.core.type.classreading.MetadataReaderFactory


  protected CdiRepositoryExtensionSupport() {

    Environment environment = new StandardEnvironment();
    ResourceLoader resourceLoader = new PathMatchingResourcePatternResolver(getClass().getClassLoader());
    MetadataReaderFactory metadataReaderFactory = new CachingMetadataReaderFactory(resourceLoader);

    this.customImplementationDetector = new CustomRepositoryImplementationDetector(metadataReaderFactory, environment,
        resourceLoader);
  }
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    protected Map< Class< ? extends Annotation >, Collection< Class< ? > > > findClassesInternal(
        Collection< String > basePackages, List<Class< ? extends Annotation > > annotations)
        throws IOException, ClassNotFoundException {
   
        ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
        MetadataReaderFactory factory = new CachingMetadataReaderFactory(resolver);
       
        final Map< Class< ? extends Annotation >, Collection< Class< ? > > > classes =
            new HashMap< Class< ? extends Annotation >, Collection< Class< ? > > >();
        final Map< Class< ? extends Annotation >, Collection< String > > matchingInterfaces =
            new HashMap< Class< ? extends Annotation >, Collection< String > >();
        final Map<String, String[]> nonMatchingClasses = new HashMap<String, String[]>();
       
        for (Class< ? extends Annotation > annotation: annotations) {
            classes.put(annotation, new HashSet< Class < ? > >());
            matchingInterfaces.put(annotation, new HashSet< String >());
        }
       
        if (basePackages == null || basePackages.isEmpty()) {
            return classes;
        }
       
        for (final String basePackage: basePackages) {
            final boolean scanAllPackages = basePackage.equals(ALL_PACKAGES);
           
            final String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX
                + (scanAllPackages ? "" : ClassUtils.convertClassNameToResourcePath(basePackage))
                + ALL_CLASS_FILES;
           
            final Resource[] resources = resolver.getResources(packageSearchPath);   
           
           
            for (final Resource resource: resources) {
                final MetadataReader reader = factory.getMetadataReader(resource);
                final AnnotationMetadata metadata = reader.getAnnotationMetadata();
               
                if (scanAllPackages && shouldSkip(metadata.getClassName())) {
                    continue;
                }
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    if( this.packagesToScan != null ) {
      try {
        for( String pkg : this.packagesToScan ) {
          String pattern = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + ClassUtils.convertClassNameToResourcePath(pkg) + RESOURCE_PATTERN;
          Resource[] resources = this.resourcePatternResolver.getResources(pattern);
          MetadataReaderFactory readerFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);

          for( Resource resource : resources ) {
            if( resource.isReadable() ) {
              MetadataReader reader = readerFactory.getMetadataReader(resource);
              String className = reader.getClassMetadata().getClassName();
              if( matchesFilter(reader, readerFactory) ) {
                entities.add(className);
              }
            }
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    if (this.packagesToScan != null) {
      try {
        for (String pkg : this.packagesToScan) {
          String pattern = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + ClassUtils.convertClassNameToResourcePath(pkg) + RESOURCE_PATTERN;
          Resource[] resources = this.resourcePatternResolver.getResources(pattern);
          MetadataReaderFactory readerFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);

          for (Resource resource : resources) {
            if (resource.isReadable()) {
              MetadataReader reader = readerFactory.getMetadataReader(resource);
              String className = reader.getClassMetadata().getClassName();
              if (matchesFilter(reader, readerFactory)) {
                entities.add(className);
              }
            }
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      try {
        for (String pkg : this.packagesToScan) {
          String pattern = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
              ClassUtils.convertClassNameToResourcePath(pkg) + RESOURCE_PATTERN;
          Resource[] resources = this.resourcePatternResolver.getResources(pattern);
          MetadataReaderFactory readerFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);
          for (Resource resource : resources) {
            if (resource.isReadable()) {
              MetadataReader reader = readerFactory.getMetadataReader(resource);
              String className = reader.getClassMetadata().getClassName();
              if (matchesFilter(reader, readerFactory)) {
                config.addAnnotatedClass(this.resourcePatternResolver.getClassLoader().loadClass(className));
              }
            }
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    try {
      for (String pkg : packagesToScan) {
        String pattern = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
            ClassUtils.convertClassNameToResourcePath(pkg) + RESOURCE_PATTERN;
        Resource[] resources = this.resourcePatternResolver.getResources(pattern);
        MetadataReaderFactory readerFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);
        for (Resource resource : resources) {
          if (resource.isReadable()) {
            MetadataReader reader = readerFactory.getMetadataReader(resource);
            String className = reader.getClassMetadata().getClassName();
            if (matchesFilter(reader, readerFactory)) {
              addAnnotatedClasses(this.resourcePatternResolver.getClassLoader().loadClass(className));
            }
          }
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      for (String pkg : this.packagesToScan) {
        try {
          String pattern = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
              ClassUtils.convertClassNameToResourcePath(pkg) + ENTITY_CLASS_RESOURCE_PATTERN;
          Resource[] resources = this.resourcePatternResolver.getResources(pattern);
          MetadataReaderFactory readerFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);
          for (Resource resource : resources) {
            if (resource.isReadable()) {
              MetadataReader reader = readerFactory.getMetadataReader(resource);
              String className = reader.getClassMetadata().getClassName();
              if (matchesFilter(reader, readerFactory)) {
                scannedUnit.addManagedClassName(className);
              }
            }
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      try {
        for (String pkg : this.packagesToScan) {
          String pattern = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
              ClassUtils.convertClassNameToResourcePath(pkg) + RESOURCE_PATTERN;
          Resource[] resources = this.resourcePatternResolver.getResources(pattern);
          MetadataReaderFactory readerFactory = new CachingMetadataReaderFactory(this.resourcePatternResolver);
          for (Resource resource : resources) {
            if (resource.isReadable()) {
              MetadataReader reader = readerFactory.getMetadataReader(resource);
              String className = reader.getClassMetadata().getClassName();
              if (matchesFilter(reader, readerFactory)) {
                config.addAnnotatedClass(this.resourcePatternResolver.getClassLoader().loadClass(className));
              }
            }
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    StandardAnnotationMetadata annInfo = new StandardAnnotationMetadata(AnnotatedComponent.class);
    doTestAnnotationInfo(annInfo);
  }

  public void testAsmAnnotationMetadata() throws IOException {
    MetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory();
    MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(AnnotatedComponent.class.getName());
    doTestAnnotationInfo(metadataReader.getAnnotationMetadata());
  }
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    assertNoMatch("org.springframework.core.type.AspectJTypeFilterTests$SomeClass",
        "*..Bogus && org.springframework.core.type.AspectJTypeFilterTests.SomeClass");
  }

  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);
  }
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