/*
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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 jsp2.examples.simpletag;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import javax.servlet.jsp.JspException;
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import javax.servlet.jsp.JspWriter;
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import javax.servlet.jsp.tagext.DynamicAttributes;
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import javax.servlet.jsp.tagext.SimpleTagSupport;
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/**
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* SimpleTag handler that echoes all its attributes
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*/
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public class EchoAttributesTag
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extends SimpleTagSupport
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implements DynamicAttributes
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{
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private final List<String> keys = new ArrayList<>();
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private final List<Object> values = new ArrayList<>();
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@Override
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public void doTag() throws JspException, IOException {
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JspWriter out = getJspContext().getOut();
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for( int i = 0; i < keys.size(); i++ ) {
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String key = keys.get( i );
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Object value = values.get( i );
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out.println( "<li>" + key + " = " + value + "</li>" );
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}
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}
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@Override
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public void setDynamicAttribute( String uri, String localName,
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Object value )
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throws JspException
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{
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keys.add( localName );
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values.add( value );
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}
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}
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