package net.etouch.contmgmt.wiki;

import net.etouch.contmgmt.common.CMUtils;

/**
 * This class interpret's the value of the plugin defined. Child classes need to implement the abstract method defined in this class 
 * translate(String regex, String content, String projectName, String title, String family, String ctx, String sessionId) 
 */

abstract public class TemplateTagResolver implements WikiContentTranslator
{
	/**
	 * @param content
	 * @param projectName
	 * @param title
	 * @param family
	 * @param ctx
	 * @param sessionId
	 * @return
	 */	
	public String translate(String content, String projectName, String title, String family, String ctx, String sessionId)
	{
		String matchPat = "(<div\\s+class\\s*=\\s*\"plugin\">)(.*?)(<\\s*/\\s*div\\s*>)";
		content = translate(matchPat, content, projectName, title, family, ctx, sessionId);
		matchPat = "(<plugin>)(.*?)(</plugin>)";
		content = translate(matchPat, content, projectName, title, family, ctx, sessionId);
		return content;
	}
	
	/**
	 * @param regex
	 * @param content
	 * @param projectName
	 * @param title
	 * @param family
	 * @param ctx
	 * @param sessionId
	 * @return
	 */
	abstract protected String translate(String regex, String content, String projectName, String title, String family, String ctx, String sessionId);
	
	/**
	 * This method retrieves the value of the parameter's passed in the tag. This method need not be overridden.
	 * @param str
	 * @param attributeName
	 * @return
	 */
	protected static String getAttributeValue(String str, String attributeName)
	{
		String value = null;
		
		try
		{
			if(str.indexOf(attributeName + "=&quot;") != -1)
			{
				value = (String) (CMUtils.getIndexStringCollection(str, attributeName + "=&quot;", "&quot;")).elementAt(0);
				if(value.trim().length() > 0)
				{
					value = value.trim();
				}
				else
				{
					value = null;
				}
			}
			else if(str.indexOf(attributeName + "=\"") != -1)
			{
				value = (String) (CMUtils.getIndexStringCollection(str, attributeName + "=\"", "\"")).elementAt(0);
				if(value.trim().length() > 0)
				{
					value = value.trim();
				}
				else
				{
					value = null;
				}
			}
		}
		catch(Exception _ex)
		{
			_ex.printStackTrace();
		}

		return value;
	}
}