/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.taglibs.standard.tei;

import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.VariableInfo;

/**
 * <p>An implementation of TagExtraInfo provided for &lt;declare&gt;.
 * We simply set up a scripting variable for the ID and value that
 * &lt;declare&gt; already stored.  For EA2, DefineTEI *always* declares
 * the variable; no option is given via a tag attribute.  Visibility is
 * always AT_END.</p>
 *
 * @author Shawn Bayern
 */
public class DeclareTEI extends TagExtraInfo {

    // purposely inherit JavaDoc and semantics from TagExtraInfo

    @Override
    public VariableInfo[] getVariableInfo(TagData data) {
        // construct the relevant VariableInfo object
        VariableInfo id = new VariableInfo(
                data.getAttributeString("id"),
                data.getAttributeString("type") == null ?
                        "java.lang.Object" : data.getAttributeString("type"),
                true,
                VariableInfo.AT_END);
        return new VariableInfo[]{id};
    }
}
