Loader


1   package org.sapia.clazzy.loader;
2   
3   import java.net.URL  ;
4   
5   /**
6    * This interface specifies resource loading behavior. Classloader implementations
7    * can use such implementations for loading bytes corresponding to given classes.
8    * 
9    * @author Yanick Duchesne
10   *
11   * <dl>
12   * <dt><b>Copyright:</b><dd>Copyright &#169; 2002-2004 <a HREF="http://www.sapia-oss.org">Sapia Open Source Software</a>. All Rights Reserved.</dd></dt>
13   * <dt><b>License:</b><dd>Read the license.txt file of the jar or visit the
14   *        <a HREF="http://www.sapia-oss.org/license.html">license page</a> at the Sapia OSS web site</dd></dt>
15   * </dl>
16   */
17  public interface Loader {
18    
19    /**
20     * Loads a the bytes of the specified resources and returns them.
21     * @param resourceName
22     * @return an array of <code>byte</code>s, or <code>null</code> if no resource could
23     * be found for the given name, or if the bytes could not be loaded for some reason.
24     */
25    public byte[] loadBytes(String   resourceName);
26    
27    /**
28     * @param resourceName the name of a resource.
29     * @return the <code>URL</code> corresponding to the given resource.
30     */
31    public URL   getURL(String   resourceName);
32    
33    /**
34     * Releases all resources that this instance holds.
35     */
36    public void close();
37  
38  }
39

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