searchaction.java

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/* 
 * Created on 2007-5-29
 * Last modified on 2007-5-30
 * Powered by GamVan.com
 */
package com.yeqiangwei.club.controller.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

import com.yeqiangwei.club.service.search.Constants;
import com.yeqiangwei.club.service.search.SearchFactory;
import com.yeqiangwei.club.service.search.SearchProvider;
import com.yeqiangwei.util.ParamUtils;
import com.yeqiangwei.util.Validator;

public class SearchAction {

	private static final Logger logger = Logger.getLogger(SearchAction.class);
	
	private SearchProvider searchProvider;

	public void indexUtils(HttpServletRequest request,HttpServletResponse response){
		String index = ParamUtils.getStringParameter(request,"index","building");
		if(index.equals("building")){
			logger.debug("index build.........");
			Constants.STOP = 0;
			if(ParamUtils.getStringParameter(request,"create").equals("true")){
				logger.debug("index creating.........");
				this.getSearchProvider().createIndex(0);
			}
			else{
				logger.debug("index appending.........");
				this.getSearchProvider().createIndex(1);
			}
		}
		else if(index.equals("stop")){
			logger.debug("index stoping.........");
			Constants.STOP = 1;
		}
		else{
			logger.debug("do nothing..........");
		}
	}
	
	public String indexState(){
		StringBuffer sb = new StringBuffer();
		sb.append("{\"state\":");
		sb.append(this.getSearchProvider().getState());
		sb.append(",\"topicId\":");
		sb.append(Constants.TOPICID);
		sb.append("}");
		return sb.toString();
	}

	private SearchProvider getSearchProvider(){
		if(Validator.isEmpty(searchProvider)){
			return searchProvider = SearchFactory.getInstance(SearchProvider.SEARCH_TOPIC);
		}else{
			return searchProvider;
		}
	}
}