1 /** 2 * 3 * Copyright 2003-2004 The Apache Software Foundation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 // 19 // This source code implements specifications defined by the Java 20 // Community Process. In order to remain compliant with the specification 21 // DO NOT add / change / or delete method signatures! 22 // 23 24 package javax.servlet.jsp; 25 26 /** 27 * The JspEngineInfo is an abstract class that provides information on the 28 * current JSP engine. 29 */ 30 31 public abstract class JspEngineInfo { 32 33 /** 34 * Sole constructor. (For invocation by subclass constructors, 35 * typically implicit.) 36 */ 37 public JspEngineInfo() { 38 } 39 40 /** 41 * Return the version number of the JSP specification that is supported by 42 * this JSP engine. 43 * <p> 44 * Specification version numbers that consists of positive decimal integers 45 * separated by periods ".", for example, "2.0" or "1.2.3.4.5.6.7". 46 * This allows an extensible number to be used to 47 * represent major, minor, micro, etc versions. 48 * The version number must begin with a number. 49 * </p> 50 * 51 * @return the specification version, null is returned if it is not known 52 */ 53 54 public abstract String getSpecificationVersion(); 55 }