/*
 * 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;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.struts2.views.jsp.TagUtils;
import org.hyperic.hq.appdef.shared.AppdefEntityConstants;
import org.hyperic.hq.ui.util.RequestUtils;

/**
 * + Maps a resource type id provided and returns the resources display name.
 * 
 * The property <CODE>typeId</CODE> is the jstl-el that is evaluated for the
 * type id The optional property <CODE>var</CODE> is the request level property
 * to set instead of printing to the tag's out.println();
 */
public class ResourceTypeName extends TagSupport {
	private static final long serialVersionUID = 1L;

	/** Holds value of property typeId. */
	private Integer typeId;

	/** Holds value of property var. */
	private String var;

	// ----------------------------------------------------public methods
	public int doStartTag() throws JspException {
		try {
			HttpServletRequest request = (HttpServletRequest) this.pageContext.getRequest();
			JspWriter output = pageContext.getOut();
			String resourceTypeName = new String();
			Integer typeId = getTypeId();
			int id = typeId.intValue();
	
			if (AppdefEntityConstants.APPDEF_TYPE_PLATFORM == id) {
				resourceTypeName = RequestUtils.message ("resource.type.Platform");
			} else if (AppdefEntityConstants.APPDEF_TYPE_SERVER == id) {
				resourceTypeName = RequestUtils.message ( "resource.type.Server");
			} else if (AppdefEntityConstants.APPDEF_TYPE_SERVICE == id) {
				resourceTypeName = RequestUtils.message ( "resource.type.Service");
			} else if (AppdefEntityConstants.APPDEF_TYPE_APPLICATION == id) {
				resourceTypeName = RequestUtils.message ("resource.type.Application");
			} else if (AppdefEntityConstants.APPDEF_TYPE_GROUP == id) {
				resourceTypeName = RequestUtils.message ( "resource.type.Group");
			}
	
			String tmpVar = this.getVar();

			if (tmpVar == null || "".equals(tmpVar.trim())) {
				output.print(resourceTypeName);
			} else {
				resourceTypeName = resourceTypeName.toLowerCase();
				request.setAttribute(tmpVar, resourceTypeName);
			}
		} catch (NullPointerException npe) {
			throw new JspTagException(npe);
		} catch (IOException e) {
			throw new JspException(e);
		}

		return SKIP_BODY;
	}

	/**
	 * Getter for property typeId.
	 * 
	 * @return Value of property typeId.
	 * 
	 */
	public Integer getTypeId() {
		return this.typeId;
	}

	/**
	 * Setter for property typeId.
	 * 
	 * @param typeId
	 *            New value of property typeId.
	 * 
	 */
	public void setTypeId(Integer typeId) {
		this.typeId = typeId;
	}

	/**
	 * Getter for property var.
	 * 
	 * @return Value of property var.
	 * 
	 */
	public String getVar() {
		return this.var;
	}

	/**
	 * Setter for property var.
	 * 
	 * @param var
	 *            New value of property var.
	 * 
	 */
	public void setVar(String var) {
		this.var = var;
	}
}