/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package examples;
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import java.io.IOException;
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import javax.servlet.jsp.JspException;
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import javax.servlet.jsp.JspTagException;
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/**
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* Example1: the simplest tag
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* Collect attributes and call into some actions
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*
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* <foo att1="..." att2="...." att3="...." />
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*/
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public class FooTag extends ExampleTagBase {
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private static final long serialVersionUID = 1L;
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private final String atts[] = new String[3];
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int i = 0;
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private final void setAtt(int index, String value) {
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atts[index] = value;
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}
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public void setAtt1(String value) {
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setAtt(0, value);
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}
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public void setAtt2(String value) {
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setAtt(1, value);
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}
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public void setAtt3(String value) {
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setAtt(2, value);
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}
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/**
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* Process start tag
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*
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* @return EVAL_BODY_INCLUDE
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*/
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@Override
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public int doStartTag() throws JspException {
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i = 0;
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return EVAL_BODY_BUFFERED;
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}
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@Override
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public void doInitBody() throws JspException {
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pageContext.setAttribute("member", atts[i]);
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i++;
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}
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@Override
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public int doAfterBody() throws JspException {
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try {
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if (i == 3) {
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bodyOut.writeOut(bodyOut.getEnclosingWriter());
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return SKIP_BODY;
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}
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pageContext.setAttribute("member", atts[i]);
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i++;
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return EVAL_BODY_BUFFERED;
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} catch (IOException ex) {
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throw new JspTagException(ex.toString());
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}
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}
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}
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