001 /* 002 * Copyright 2004 The Apache Software Foundation 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package examples; 017 018 import javax.servlet.jsp.*; 019 import javax.servlet.jsp.tagext.*; 020 021 public abstract class ExampleTagBase extends BodyTagSupport { 022 023 public void setParent(Tag parent) { 024 this.parent = parent; 025 } 026 027 public void setBodyContent(BodyContent bodyOut) { 028 this.bodyOut = bodyOut; 029 } 030 031 public void setPageContext(PageContext pageContext) { 032 this.pageContext = pageContext; 033 } 034 035 public Tag getParent() { 036 return this.parent; 037 } 038 039 public int doStartTag() throws JspException { 040 return SKIP_BODY; 041 } 042 043 public int doEndTag() throws JspException { 044 return EVAL_PAGE; 045 } 046 047 048 // Default implementations for BodyTag methods as well 049 // just in case a tag decides to implement BodyTag. 050 public void doInitBody() throws JspException { 051 } 052 053 public int doAfterBody() throws JspException { 054 return SKIP_BODY; 055 } 056 057 public void release() { 058 bodyOut = null; 059 pageContext = null; 060 parent = null; 061 } 062 063 protected BodyContent bodyOut; 064 protected PageContext pageContext; 065 protected Tag parent; 066 }