001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 // 021 // This source code implements specifications defined by the Java 022 // Community Process. In order to remain compliant with the specification 023 // DO NOT add / change / or delete method signatures! 024 // 025 026 package javax.servlet.jsp.tagext; 027 028 import javax.servlet.jsp.JspException; 029 030 /** 031 * For a tag to declare that it accepts dynamic attributes, it must implement 032 * this interface. The entry for the tag in the Tag Library Descriptor must 033 * also be configured to indicate dynamic attributes are accepted. 034 * <br> 035 * For any attribute that is not declared in the Tag Library Descriptor for 036 * this tag, instead of getting an error at translation time, the 037 * <code>setDynamicAttribute()</code> method is called, with the name and 038 * value of the attribute. It is the responsibility of the tag to 039 * remember the names and values of the dynamic attributes. 040 * 041 * @since 2.0 042 */ 043 public interface DynamicAttributes { 044 045 /** 046 * Called when a tag declared to accept dynamic attributes is passed 047 * an attribute that is not declared in the Tag Library Descriptor. 048 * 049 * @param uri the namespace of the attribute, or null if in the default 050 * namespace. 051 * @param localName the name of the attribute being set. 052 * @param value the value of the attribute 053 * @throws JspException if the tag handler wishes to 054 * signal that it does not accept the given attribute. The 055 * container must not call doStartTag() or doTag() for this tag. 056 */ 057 public void setDynamicAttribute( 058 String uri, String localName, Object value ) 059 throws JspException; 060 061 }