ResourceInjector


1   /*
2    * The contents of this file are subject to the terms
3    * of the Common Development and Distribution License
4    * (the "License").  You may not use this file except
5    * in compliance with the License.
6    *
7    * You can obtain a copy of the license at
8    * glassfish/bootstrap/legal/CDDLv1.0.txt or
9    * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10   * See the License for the specific language governing
11   * permissions and limitations under the License.
12   *
13   * When distributing Covered Code, include this CDDL
14   * HEADER in each file and include the License file at
15   * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
16   * add the following below this CDDL HEADER, with the
17   * fields enclosed by brackets "[]" replaced with your
18   * own identifying information: Portions Copyright [yyyy]
19   * [name of copyright owner]
20   *
21   * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  package org.apache.jasper.runtime;
25  
26  import javax.servlet.ServletContext  ;
27  import javax.servlet.jsp.tagext.JspTag  ;
28  
29  /**
30   * Interface for injecting injectable resources into tag handler instances.
31   *
32   * @author Jan Luehe
33   */
34  public interface ResourceInjector {
35  
36      /**
37       * Associates this ResourceInjector with the component environment of the
38       * given servlet context.
39       *
40       * @param servletContext The servlet context 
41       */
42      public void setContext(ServletContext   servletContext);
43  
44  
45      /**
46       * Injects the injectable resources from the component environment 
47       * associated with this ResourceInjector into the given tag handler
48       * instance. 
49       *
50       * @param handler The tag handler instance to be injected
51       *
52       * @throws Exception if an error occurs during injection
53       */
54      public void inject(JspTag   handler) throws Exception  ;
55  
56  }
57
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