com.cyclopsgroup.waterview.utils.DynaTagSupport.java Source code

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Here is the source code for com.cyclopsgroup.waterview.utils.DynaTagSupport.java

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/* ==========================================================================
 * Copyright 2002-2005 Cyclops Group Community
 * 
 * Licensed under the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
 * (CDDL) Version 1.0 (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.opensource.org/licenses/cddl1.txt
 *
 *  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 com.cyclopsgroup.waterview.utils;

import java.util.HashMap;

import org.apache.commons.jelly.DynaTag;
import org.apache.commons.jelly.JellyTagException;
import org.apache.commons.jelly.MissingAttributeException;

/**
 * @author <a href="mailto:jiaqi.guo@gmail.com">Jiaqi Guo</a>
 *
 * Dynamic tag support
 */
public abstract class DynaTagSupport extends TagSupportBase implements DynaTag {
    private HashMap attributeMap = new HashMap();

    /**
     * Getter method for property attributeMap
     *
     * @return Returns the attributeMap.
     */
    public HashMap getAttributeMap() {
        return attributeMap;
    }

    /**
     * Overwrite or implement method getAttributeType()
     *
     * @see org.apache.commons.jelly.DynaTag#getAttributeType(java.lang.String)
     */
    public Class getAttributeType(String name) throws JellyTagException {
        return Object.class;
    }

    /**
     * Check attribute
     *
     * @param attributeName Attribute name
     * @throws MissingAttributeException Missing attribute
     */
    protected void requireAttribute(String attributeName) throws MissingAttributeException {
        if (!attributeMap.containsKey(attributeName)) {
            throw new MissingAttributeException(attributeName);
        }
    }

    /**
     * Overwrite or implement method setAttribute()
     *
     * @see org.apache.commons.jelly.DynaTag#setAttribute(java.lang.String, java.lang.Object)
     */
    public void setAttribute(String name, Object value) throws JellyTagException {
        attributeMap.put(name, value);
    }
}