Source Code : Finds a resource with the given name.

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Finds a resource with the given name.

 
/*
 * Copyright  2003-2008 The Apache Software Foundation.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
import java.io.InputStream;

/**

 *
 *  @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
 *  @version $Id: ClassUtils.java 685685 2008-08-13 21:43:27Z nbubna $
 * @since 1.5
 */
public class Main {

  /**
   * Finds a resource with the given name.  Checks the Thread Context
   * classloader, then uses the System classloader.  Should replace all
   * calls to <code>Class.getResourceAsString</code> when the resource
   * might come from a different classloader.  (e.g. a webapp).
   * @param claz Class to use when getting the System classloader (used if no Thread
   * Context classloader available or fails to get resource).
   * @param name name of the resource
   * @return InputStream for the resource.
   */
  public static InputStream getResourceAsStream(Class claz, String name)
  {
      InputStream result = null;

      /**
       * remove leading slash so path will work with classes in a JAR file
       */
      while (name.startsWith("/"))
      {
          name = name.substring(1);
      }

      ClassLoader classLoader = Thread.currentThread()
                                  .getContextClassLoader();

      if (classLoader == null)
      {
          classLoader = claz.getClassLoader();
          result = classLoader.getResourceAsStream( name );
      }
      else
      {
          result= classLoader.getResourceAsStream( name );

          /**
          * for compatibility with texen / ant tasks, fall back to
          * old method when resource is not found.
          */

          if (result == null)
          {
              classLoader = claz.getClassLoader();
              if (classLoader != null)
                  result = classLoader.getResourceAsStream( name );
          }
      }

      return result;

  }

}

   
  

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