1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
5 *
6 * Portions Copyright Apache Software Foundation.
7 *
8 * The contents of this file are subject to the terms of either the GNU
9 * General Public License Version 2 only ("GPL") or the Common Development
10 * and Distribution License("CDDL") (collectively, the "License"). You
11 * may not use this file except in compliance with the License. You can obtain
12 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
13 * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
14 * language governing permissions and limitations under the License.
15 *
16 * When distributing the software, include this License Header Notice in each
17 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
18 * Sun designates this particular file as subject to the "Classpath" exception
19 * as provided by Sun in the GPL Version 2 section of the License file that
20 * accompanied this code. If applicable, add the following below the License
21 * Header, with the fields enclosed by brackets [] replaced by your own
22 * identifying information: "Portions Copyrighted [year]
23 * [name of copyright owner]"
24 *
25 * Contributor(s):
26 *
27 * If you wish your version of this file to be governed by only the CDDL or
28 * only the GPL Version 2, indicate your decision by adding "[Contributor]
29 * elects to include this software in this distribution under the [CDDL or GPL
30 * Version 2] license." If you don't indicate a single choice of license, a
31 * recipient has the option to distribute your version of this file under
32 * either the CDDL, the GPL Version 2 or to extend the choice of license to
33 * its licensees as provided above. However, if you add GPL Version 2 code
34 * and therefore, elected the GPL Version 2 license, then the option applies
35 * only if the new code is made subject to such option by the copyright
36 * holder.
37 */
38 package javax.servlet.jsp.tagext;
39
40 import javax.servlet.jsp.JspException;
41
42 /**
43 * For a tag to declare that it accepts dynamic attributes, it must implement
44 * this interface. The entry for the tag in the Tag Library Descriptor must
45 * also be configured to indicate dynamic attributes are accepted.
46 * <br>
47 * For any attribute that is not declared in the Tag Library Descriptor for
48 * this tag, instead of getting an error at translation time, the
49 * <code>setDynamicAttribute()</code> method is called, with the name and
50 * value of the attribute. It is the responsibility of the tag to
51 * remember the names and values of the dynamic attributes.
52 *
53 * @since 2.0
54 */
55 public interface DynamicAttributes {
56
57 /**
58 * Called when a tag declared to accept dynamic attributes is passed
59 * an attribute that is not declared in the Tag Library Descriptor.
60 *
61 * @param uri the namespace of the attribute, or null if in the default
62 * namespace.
63 * @param localName the name of the attribute being set.
64 * @param value the value of the attribute
65 * @throws JspException if the tag handler wishes to
66 * signal that it does not accept the given attribute. The
67 * container must not call doStartTag() or doTag() for this tag.
68 */
69 public void setDynamicAttribute(
70 String uri, String localName, Object value )
71 throws JspException;
72
73 }
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