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