Package org.apache.ibatis.io

Class ClassLoaderWrapper

  • public class ClassLoaderWrapper
extends java.lang.Object
    A class to wrap access to multiple class loaders making them work as one

    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) java.lang.ClassLoader defaultClassLoader  
      (package private) java.lang.ClassLoader systemClassLoader  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Class<?> classForName​(java.lang.String name)
      Find a class on the classpath (or die trying)
      java.lang.Class<?> classForName​(java.lang.String name, java.lang.ClassLoader classLoader)
      Find a class on the classpath, starting with a specific classloader (or die trying)
      (package private) java.lang.Class<?> classForName​(java.lang.String name, java.lang.ClassLoader[] classLoader)
      Attempt to load a class from a group of classloaders
      (package private) java.lang.ClassLoader[] getClassLoaders​(java.lang.ClassLoader classLoader)  
      java.io.InputStream getResourceAsStream​(java.lang.String resource)
      Get a resource from the classpath
      java.io.InputStream getResourceAsStream​(java.lang.String resource, java.lang.ClassLoader classLoader)
      Get a resource from the classpath, starting with a specific class loader
      (package private) java.io.InputStream getResourceAsStream​(java.lang.String resource, java.lang.ClassLoader[] classLoader)
      Try to get a resource from a group of classloaders
      java.net.URL getResourceAsURL​(java.lang.String resource)
      Get a resource as a URL using the current class path
      java.net.URL getResourceAsURL​(java.lang.String resource, java.lang.ClassLoader classLoader)
      Get a resource from the classpath, starting with a specific class loader
      (package private) java.net.URL getResourceAsURL​(java.lang.String resource, java.lang.ClassLoader[] classLoader)
      Get a resource as a URL using the current class path

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • defaultClassLoader

        java.lang.ClassLoader defaultClassLoader

      • systemClassLoader

        java.lang.ClassLoader systemClassLoader

    • Constructor Detail

      • ClassLoaderWrapper

        ClassLoaderWrapper()

    • Method Detail

      • getResourceAsURL

        public java.net.URL getResourceAsURL​(java.lang.String resource)
        Get a resource as a URL using the current class path
        Parameters:
        resource - - the resource to locate
        Returns:
        the resource or null

      • getResourceAsURL

        public java.net.URL getResourceAsURL​(java.lang.String resource,
                                     java.lang.ClassLoader classLoader)
        Get a resource from the classpath, starting with a specific class loader
        Parameters:
        resource - - the resource to find
        classLoader - - the first classloader to try
        Returns:
        the stream or null

      • getResourceAsStream

        public java.io.InputStream getResourceAsStream​(java.lang.String resource)
        Get a resource from the classpath
        Parameters:
        resource - - the resource to find
        Returns:
        the stream or null

      • getResourceAsStream

        public java.io.InputStream getResourceAsStream​(java.lang.String resource,
                                               java.lang.ClassLoader classLoader)
        Get a resource from the classpath, starting with a specific class loader
        Parameters:
        resource - - the resource to find
        classLoader - - the first class loader to try
        Returns:
        the stream or null

      • classForName

        public java.lang.Class<?> classForName​(java.lang.String name)
                                throws java.lang.ClassNotFoundException
        Find a class on the classpath (or die trying)
        Parameters:
        name - - the class to look for
        Returns:
        - the class
        Throws:
        java.lang.ClassNotFoundException - Duh.

      • classForName

        public java.lang.Class<?> classForName​(java.lang.String name,
                                       java.lang.ClassLoader classLoader)
                                throws java.lang.ClassNotFoundException
        Find a class on the classpath, starting with a specific classloader (or die trying)
        Parameters:
        name - - the class to look for
        classLoader - - the first classloader to try
        Returns:
        - the class
        Throws:
        java.lang.ClassNotFoundException - Duh.

      • getResourceAsStream

        java.io.InputStream getResourceAsStream​(java.lang.String resource,
                                        java.lang.ClassLoader[] classLoader)
        Try to get a resource from a group of classloaders
        Parameters:
        resource - - the resource to get
        classLoader - - the classloaders to examine
        Returns:
        the resource or null

      • getResourceAsURL

        java.net.URL getResourceAsURL​(java.lang.String resource,
                              java.lang.ClassLoader[] classLoader)
        Get a resource as a URL using the current class path
        Parameters:
        resource - - the resource to locate
        classLoader - - the class loaders to examine
        Returns:
        the resource or null

      • classForName

        java.lang.Class<?> classForName​(java.lang.String name,
                                java.lang.ClassLoader[] classLoader)
                         throws java.lang.ClassNotFoundException
        Attempt to load a class from a group of classloaders
        Parameters:
        name - - the class to load
        classLoader - - the group of classloaders to examine
        Returns:
        the class
        Throws:
        java.lang.ClassNotFoundException - - Remember the wisdom of Judge Smails: Well, the world needs ditch diggers, too.

      • getClassLoaders

        java.lang.ClassLoader[] getClassLoaders​(java.lang.ClassLoader classLoader)