org.apache.cxf.common.util

## Class ClasspathScanner

- java.lang.Object
- - org.apache.cxf.common.util.ClasspathScanner

-     public class ClasspathScanner
      extends Object

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `ALL_CLASS_FILES`
    `static String` | `ALL_FILES`
    `static String` | `CLASSPATH_URL_SCHEME`
    `static String` | `WILDCARD`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `ClasspathScanner()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static Map<Class<? extends Annotation>,Collection<Class<?>>>` | `findClasses(Collection<String> basePackages, Class<? extends Annotation>... annotations)` Scans list of base packages for all classes marked with specific annotations.
    `static Map<Class<? extends Annotation>,Collection<Class<?>>>` | `findClasses(Collection<String> basePackages, List<Class<? extends Annotation>> annotations)` Scans list of base packages for all classes marked with specific annotations.
    `static Map<Class<? extends Annotation>,Collection<Class<?>>>` | `findClasses(Collection<String> basePackages, List<Class<? extends Annotation>> annotations, ClassLoader loader)`
    `static Map<Class<? extends Annotation>,Collection<Class<?>>>` | `findClasses(String basePackage, Class<? extends Annotation>... annotations)` Scans list of base packages for all classes marked with specific annotations.
    `protected Map<Class<? extends Annotation>,Collection<Class<?>>>` | `findClassesInternal(Collection<String> basePackages, List<Class<? extends Annotation>> annotations, ClassLoader loader)`
    `static List<URL>` | `findResources(Collection<String> basePackages, String extension)` Scans list of base packages for all resources with the given extension.
    `static List<URL>` | `findResources(Collection<String> basePackages, String extension, ClassLoader loader)`
    `static List<URL>` | `findResources(String basePackage, String extension)` Scans list of base packages for all resources with the given extension.
    `static List<URL>` | `findResources(String basePackage, String extension, ClassLoader loader)` Scans list of base packages for all resources with the given extension.
    `protected List<URL>` | `findResourcesInternal(Collection<String> basePackages, String extension, ClassLoader loader)`
    `static Set<String>` | `parsePackages(String packagesAsCsv)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### ALL_FILES

          public static final String ALL_FILES

      See Also:
        Constant Field Values

    - #### ALL_CLASS_FILES

          public static final String ALL_CLASS_FILES

      See Also:
        Constant Field Values

    - #### WILDCARD

          public static final String WILDCARD

      See Also:
        Constant Field Values

    - #### CLASSPATH_URL_SCHEME

          public static final String CLASSPATH_URL_SCHEME

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### ClasspathScanner

          protected ClasspathScanner()

  - ### Method Detail

    - #### findClasses

          public static Map<Class<? extends Annotation>,Collection<Class<?>>> findClasses(String basePackage,
                                                                          Class<? extends Annotation>... annotations)
                                                                                   throws IOException,
                                                                                          ClassNotFoundException

      Scans list of base packages for all classes marked with specific annotations.
      Parameters:
        `basePackage` - base package
        `annotations` - annotations to discover
      Returns:
        all discovered classes grouped by annotations they belong too
      Throws:
        `IOException` - class metadata is not readable
        `ClassNotFoundException` - class not found

    - #### findClasses

          public static Map<Class<? extends Annotation>,Collection<Class<?>>> findClasses(Collection<String> basePackages,
                                                                          Class<? extends Annotation>... annotations)
                                                                                   throws IOException,
                                                                                          ClassNotFoundException

      Scans list of base packages for all classes marked with specific annotations.
      Parameters:
        `basePackages` - list of base packages
        `annotations` - annotations to discover
      Returns:
        all discovered classes grouped by annotations they belong too
      Throws:
        `IOException` - class metadata is not readable
        `ClassNotFoundException` - class not found

    - #### findClasses

          public static Map<Class<? extends Annotation>,Collection<Class<?>>> findClasses(Collection<String> basePackages,
                                                                          List<Class<? extends Annotation>> annotations)
                                                                                   throws IOException,
                                                                                          ClassNotFoundException

      Scans list of base packages for all classes marked with specific annotations.
      Parameters:
        `basePackages` - list of base packages
        `annotations` - annotations to discover
      Returns:
        all discovered classes grouped by annotations they belong too
      Throws:
        `IOException` - class metadata is not readable
        `ClassNotFoundException` - class not found

    - #### findClasses

          public static Map<Class<? extends Annotation>,Collection<Class<?>>> findClasses(Collection<String> basePackages,
                                                                          List<Class<? extends Annotation>> annotations,
                                                                          ClassLoader loader)
                                                                                   throws IOException,
                                                                                          ClassNotFoundException

      Throws:
        `IOException`
        `ClassNotFoundException`

    - #### findClassesInternal

          protected Map<Class<? extends Annotation>,Collection<Class<?>>> findClassesInternal(Collection<String> basePackages,
                                                                                  List<Class<? extends Annotation>> annotations,
                                                                                  ClassLoader loader)
                                                                                       throws IOException,
                                                                                              ClassNotFoundException

      Throws:
        `IOException`
        `ClassNotFoundException`

    - #### findResources

          public static List<URL> findResources(String basePackage,
                                String extension)
                                         throws IOException

      Scans list of base packages for all resources with the given extension.
      Parameters:
        `basePackage` - base package
        `extension` - the extension matching resources needs to have
      Returns:
        list of all discovered resource URLs
      Throws:
        `IOException` - resource is not accessible

    - #### findResources

          public static List<URL> findResources(String basePackage,
                                String extension,
                                ClassLoader loader)
                                         throws IOException

      Scans list of base packages for all resources with the given extension.
      Parameters:
        `basePackage` - base package
        `extension` - the extension matching resources needs to have
      Returns:
        list of all discovered resource URLs
      Throws:
        `IOException` - resource is not accessible

    - #### findResources

          public static List<URL> findResources(Collection<String> basePackages,
                                String extension)
                                         throws IOException

      Scans list of base packages for all resources with the given extension.
      Parameters:
        `basePackages` - list of base packages
        `extension` - the extension matching resources needs to have
      Returns:
        list of all discovered resource URLs
      Throws:
        `IOException` - resource is not accessible

    - #### findResources

          public static List<URL> findResources(Collection<String> basePackages,
                                String extension,
                                ClassLoader loader)
                                         throws IOException

      Throws:
        `IOException`

    - #### parsePackages

          public static Set<String> parsePackages(String packagesAsCsv)

    - #### findResourcesInternal

          protected List<URL> findResourcesInternal(Collection<String> basePackages,
                                        String extension,
                                        ClassLoader loader)
                                             throws IOException

      Throws:
        `IOException`

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