Package org.apache.lucene.analysis.util

Class ClasspathResourceLoader

  • All Implemented Interfaces:
    ResourceLoader
    public final class ClasspathResourceLoader
extends java.lang.Object
implements ResourceLoader
    Simple ResourceLoader that uses ClassLoader.getResourceAsStream(String) and Class.forName(String,boolean,ClassLoader) to open resources and classes, respectively.

    • Constructor Summary

      Constructors 
      Constructor Description
      ClasspathResourceLoader()
      Creates an instance using the context classloader to load Resources and classes.
      ClasspathResourceLoader​(java.lang.Class<?> clazz)
      Creates an instance using the context classloader to load Resources and classes Resources are resolved relative to the given class, if path is not absolute.
      ClasspathResourceLoader​(java.lang.ClassLoader loader)
      Creates an instance using the given classloader to load Resources and classes.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      <T> java.lang.Class<? extends T> findClass​(java.lang.String cname, java.lang.Class<T> expectedType)
      Finds class of the name and expected type
      <T> T newInstance​(java.lang.String cname, java.lang.Class<T> expectedType)
      Creates an instance of the name and expected type
      java.io.InputStream openResource​(java.lang.String resource)
      Opens a named resource

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ClasspathResourceLoader

        public ClasspathResourceLoader()
        Creates an instance using the context classloader to load Resources and classes. Resource paths must be absolute.

      • ClasspathResourceLoader

        public ClasspathResourceLoader​(java.lang.ClassLoader loader)
        Creates an instance using the given classloader to load Resources and classes. Resource paths must be absolute.

      • ClasspathResourceLoader

        public ClasspathResourceLoader​(java.lang.Class<?> clazz)
        Creates an instance using the context classloader to load Resources and classes Resources are resolved relative to the given class, if path is not absolute.

    • Method Detail

      • openResource

        public java.io.InputStream openResource​(java.lang.String resource)
                                 throws java.io.IOException
        Description copied from interface: ResourceLoader
        Opens a named resource
        Specified by:
        openResource in interface ResourceLoader
        Throws:
        java.io.IOException

      • findClass

        public <T> java.lang.Class<? extends T> findClass​(java.lang.String cname,
                                                  java.lang.Class<T> expectedType)
        Description copied from interface: ResourceLoader
        Finds class of the name and expected type
        Specified by:
        findClass in interface ResourceLoader

      • newInstance

        public <T> T newInstance​(java.lang.String cname,
                         java.lang.Class<T> expectedType)
        Description copied from interface: ResourceLoader
        Creates an instance of the name and expected type
        Specified by:
        newInstance in interface ResourceLoader