Resource


1   package org.sapia.resource;
2   
3   import java.io.IOException  ;
4   import java.io.InputStream  ;
5   
6   /**
7    * Abstracts a file resource.
8    * 
9    * @author Yanick Duchesne
10   * 
11   */
12  public interface Resource {
13    /**
14     * @return the time, in <code>millis</code>, at which this resource was
15     *         last modified.
16     */
17    public long lastModified();
18  
19    /**
20     * @return the URI that this resource corresponds to.
21     */
22    public String   getURI();
23  
24    /**
25     * @return the <code>InputStream</code> corresponding to this resource.
26     * @throws IOException
27     */
28    public InputStream   getInputStream() throws IOException  ;
29    
30    
31    /**
32     * @return the <code>Resource</code> corresponding to the given relative URI.
33     * @param uri a URI.
34     * @throws IOException
35     */  
36    public Resource getRelative(String   uri) throws IOException  ;
37    
38  }
39

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