Package com.axelor.common

Class ClassUtils

java.lang.Object
com.axelor.common.ClassUtils
public final class ClassUtils extends Object
Provides class utility methods.

  • Method Details

    • getContextClassLoader

      public static ClassLoader getContextClassLoader()
      Returns the context ClassLoader for this Thread.
      Returns:
      the context ClassLoader for this Thread, or null indicating the system class loader.
      See Also:

    • setContextClassLoader

      public static ClassLoader setContextClassLoader(ClassLoader classLoader)
      Override the context ClassLoader of this Thread.
      Parameters:
      classLoader - the ClassLoader to override.
      Returns:
      the previous context ClassLoader, or null if ClassLoader is not overriden.

    • getDefaultClassLoader

      public static ClassLoader getDefaultClassLoader()
      Returns the default ClassLoader.

      Generally, it is current Thread context ClassLoader. If not available, it will be the ClassLoader that loaded the ClassUtils.

      Returns:
      the default ClassLoader, or null if system ClassLoader is not accessible.

    • resourceToClassName

      public static String resourceToClassName(String resource)
      Convert the '/' based resource path to '.' based class name.
      Parameters:
      resource - the resource path
      Returns:
      the corresponding fully qualified class name

    • classToResourceName

      public static String classToResourceName(String klass)
      Convert the class name to '/' based resource path.
      Parameters:
      klass - the fully qualified class name
      Returns:
      the corresponding resource path

    • classToResourceName

      public static String classToResourceName(Class<?> klass)
      Get the resource path of the given class.
      Parameters:
      klass - the class
      Returns:
      the corresponding resource path

    • isProxy

      public static boolean isProxy(Object object)
      Check whether the given object is a CGLIB or ByteBuddy proxy.
      Parameters:
      object - the object to check
      Returns:
      true if object is proxy

    • isProxyClass

      public static boolean isProxyClass(Class<?> clazz)
      Check whether the given class is a CGLIB or ByteBuddy proxy class, assuming no custom proxy class naming is used.
      Parameters:
      clazz - the class to check
      Returns:
      true of given class is a proxy class

    • isProxyClassName

      public static boolean isProxyClassName(String className)
      Check whether the given class name is a CGLIB or ByteBuddy proxy class name, assuming no custom class naming is used.
      Parameters:
      className - the class name to check
      Returns:
      true if class name is proxy class name

    • getRealClass

      public static <T> Class<? super T> getRealClass(Class<T> proxyClass)
      Get the real class of the given proxy class.
      Parameters:
      proxyClass - the proxy class whose first real super class is required.
      Returns:
      the real super class of the given proxy class, or itself if it's not a proxy class

    • getURL

      public static URL getURL(String location) throws FileNotFoundException
      Resolve the given resource location to a URL.
      Parameters:
      location - the resource location to resolve, either a pseudo 'classpath:' url, a 'file:' url or plain resource location.
      Returns:
      a corresponding URL object
      Throws:
      FileNotFoundException - if location can't be resolved.

    • getResource

      public static URL getResource(String location)
      Finds the resource from the class path with the given location using default ClassLoader.
      Parameters:
      location - The resource location
      Returns:
      an URL for reading the resource or null
      See Also: