TagLibrary


1   /**
2    * Licensed under the Common Development and Distribution License,
3    * you may not use this file except in compliance with the License.
4    * You may obtain a copy of the License at
5    * 
6    *   http://www.sun.com/cddl/
7    *   
8    * Unless required by applicable law or agreed to in writing, software
9    * distributed under the License is distributed on an "AS IS" BASIS,
10   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
11   * implied. See the License for the specific language governing
12   * permissions and limitations under the License.
13   */
14  
15  package com.sun.facelets.tag;
16  
17  import java.lang.reflect.Method  ;
18  
19  import javax.faces.FacesException;
20  
21  /**
22   * A library of Tags associated with one or more namespaces.
23   * 
24   * @author Jacob Hookom
25   * @version $Id: TagLibrary.java,v 1.2 2005/08/24 04:38:48 jhook Exp $
26   */
27  public interface TagLibrary {
28  
29      /**
30       * If this library contains the passed namespace
31       * 
32       * @param ns
33       *            namespace
34       * @return true if the namespace is used in this library
35       */
36      public boolean containsNamespace(String   ns);
37  
38      /**
39       * If this library contains a TagHandler for the namespace and local name
40       * 
41       * @param ns
42       *            namespace
43       * @param localName
44       *            local name
45       * @return true if handled by this library
46       */
47      public boolean containsTagHandler(String   ns, String   localName);
48  
49      /**
50       * Create a new instance of a TagHandler, using the passed TagConfig
51       * 
52       * @param ns
53       *            namespace
54       * @param localName
55       *            local name
56       * @param tag
57       *            configuration information
58       * @return a new TagHandler instance
59       * @throws FacesException
60       */
61      public TagHandler createTagHandler(String   ns, String   localName,
62              TagConfig tag) throws FacesException;
63  
64      /**
65       * If this library contains the specified function name
66       * 
67       * @param ns namespace
68       * @param name function name
69       * @return true if handled
70       */
71      public boolean containsFunction(String   ns, String   name);
72  
73      /**
74       * Return a Method instance for the passed namespace and name
75       * 
76       * @param ns namespace
77       * @param name function name
78       * @return
79       */
80      public Method   createFunction(String   ns, String   name);
81  }
82
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