PriorityDecorator.java example

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/*
 * NOTE: This copyright does *not* cover user programs that use HQ
 * program services by normal system calls through the application
 * program interfaces provided as part of the Hyperic Plug-in Development
 * Kit or the Hyperic Client Development Kit - this is merely considered
 * normal use of the program, and does *not* fall under the heading of
 * "derived work".
 * 
 * Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
 * This file is part of HQ.
 * 
 * HQ is free software; you can redistribute it and/or modify
 * it under the terms version 2 of the GNU General Public License as
 * published by the Free Software Foundation. This program is distributed
 * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 */

package org.hyperic.hq.ui.taglib.display;

import java.util.Locale;

import javax.servlet.jsp.JspException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hyperic.hq.ui.util.RequestUtils;

/**
 * usage
 * <display:column property="priority" width=="10" 
 *          title"alerts.alert.listheader.priority"/>
 * <display:prioritydecorator 
 *      flagKey="application.properties.key.prefix"/>
 * In the properties file, have these keys present: 
 * application.properties.key.prefix.Low=Low 
 * application.properties.key.prefix.High=High
 * application.properties.key.prefix.Medium=Medium
 *
*/
public class PriorityDecorator extends BaseDecorator  {

    private static final Locale defaultLocale = Locale.getDefault();
    private static Log log = 
        LogFactory.getLog(BooleanDecorator.class.getName());
    
    protected String flagKey;

    // tag attribute setters

    /**
     * Sets the message prefix that respresents a boolean result
     * @param theFlagKey a String that will have "true" or "false" appended to
     * it to look up in the application properties
     */
    public void setFlagKey(String theFlagKey) {
        flagKey = theFlagKey;
    }

    // our ColumnDecorator

    /* (non-Javadoc)
     * @see org.apache.taglibs.display.ColumnDecorator#decorate(java.lang.Object)
     */
    public String decorate(Object columnValue) {
        Integer priority = new Integer(0);
        try {
            priority = (Integer)columnValue;
        } catch (ClassCastException cce) {
            log.debug("class cast exception: ", cce);
        }
        String key = "alert.config.props.PB.Priority." + priority;
       
        // return TagUtils.getInstance().message(getPageContext(), bundle, locale, key);
    	return RequestUtils.message(key);
        
    }
 
    /* (non-Javadoc)
     * @see javax.servlet.jsp.tagext.Tag#release()
     */
    public void release() {
        super.release();
        flagKey = null;
    }
}