1 /* 2 * $Id: NestedWriteNestingTei.java 471754 2006-11-06 14:55:09Z husted $ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 package org.apache.struts.taglib.nested; 22 23 import javax.servlet.jsp.tagext.TagData; 24 import javax.servlet.jsp.tagext.TagExtraInfo; 25 import javax.servlet.jsp.tagext.VariableInfo; 26 27 /** 28 * NestedWriteNestingTei 29 * 30 * This class will allow the nested:writeNesting tag to actually do what the 31 * doc says and make a scripting variable as an option (when "id" is 32 * supplied). 33 * 34 * @version $Rev: 471754 $ 35 * @since Struts 1.2 36 */ 37 public class NestedWriteNestingTei extends TagExtraInfo { 38 /** 39 * Return information about the scripting variables to be created. 40 */ 41 public VariableInfo[] getVariableInfo(TagData data) { 42 /* the id parameter */ 43 String id = data.getAttributeString("id"); 44 45 VariableInfo[] vi = null; 46 47 if (id != null) { 48 vi = new VariableInfo[1]; 49 vi[0] = 50 new VariableInfo(id, "java.lang.String", true, 51 VariableInfo.AT_END); 52 } else { 53 vi = new VariableInfo[0]; 54 } 55 56 // job done 57 return vi; 58 } 59 }