com.cyclopsgroup.waterview.jelly.taglib.BaseJellyControlTag.java Source code

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Here is the source code for com.cyclopsgroup.waterview.jelly.taglib.BaseJellyControlTag.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.jelly.taglib;

import org.apache.commons.jelly.Script;
import org.apache.commons.jelly.XMLOutput;

import com.cyclopsgroup.waterview.jelly.JellyEngine;
import com.cyclopsgroup.waterview.spi.taglib.TagSupport;

/**
 * @author <a href="mailto:jiaqi.guo@gmail.com">Jiaqi Guo</a>
 *
 */
public abstract class BaseJellyControlTag extends TagSupport {
    private String script;

    private static final String TAG_NAME = "controlTag";

    /**
     * Getter method for script
     *
     * @return Returns the script.
     */
    public String getScript() {
        return script;
    }

    /**
     * Setter method for script
     *
     * @param script The script to set.
     */
    protected void setScript(String script) {
        this.script = script;
    }

    /**
     * Override method processTag in class JellyControlTag
     *
     * @see com.cyclopsgroup.waterview.utils.TagSupportBase#processTag(org.apache.commons.jelly.XMLOutput)
     */
    protected void processTag(XMLOutput output) throws Exception {
        requireAttribute("script");
        JellyEngine je = (JellyEngine) getServiceManager().lookup(JellyEngine.ROLE);
        Script s = je.getScript(getScript());
        Object tagObject = getContext().getVariable(TAG_NAME);
        getContext().setVariable(TAG_NAME, this);
        runScript(s, output);
        getContext().setVariable(TAG_NAME, tagObject);
    }

    /**
     * Method to run script
     *
     * @param script Script to run
     * @param output XMLOutput
     * @throws Exception Throw it out
     */
    protected void runScript(Script script, XMLOutput output) throws Exception {
        script.run(context, output);
    }
}