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 examples; 018 019 import javax.servlet.jsp.JspException; 020 import javax.servlet.jsp.PageContext; 021 import javax.servlet.jsp.tagext.BodyContent; 022 import javax.servlet.jsp.tagext.BodyTagSupport; 023 import javax.servlet.jsp.tagext.Tag; 024 025 public abstract class ExampleTagBase extends BodyTagSupport { 026 027 public void setParent(Tag parent) { 028 this.parent = parent; 029 } 030 031 public void setBodyContent(BodyContent bodyOut) { 032 this.bodyOut = bodyOut; 033 } 034 035 public void setPageContext(PageContext pageContext) { 036 this.pageContext = pageContext; 037 } 038 039 public Tag getParent() { 040 return this.parent; 041 } 042 043 public int doStartTag() throws JspException { 044 return SKIP_BODY; 045 } 046 047 public int doEndTag() throws JspException { 048 return EVAL_PAGE; 049 } 050 051 052 // Default implementations for BodyTag methods as well 053 // just in case a tag decides to implement BodyTag. 054 public void doInitBody() throws JspException { 055 } 056 057 public int doAfterBody() throws JspException { 058 return SKIP_BODY; 059 } 060 061 public void release() { 062 bodyOut = null; 063 pageContext = null; 064 parent = null; 065 } 066 067 protected BodyContent bodyOut; 068 protected PageContext pageContext; 069 protected Tag parent; 070 }