====== [적용 예] Ajax Support ======

===== 개요 =====
Ajax Support Service 를 적용해서 민원목록 검색시, 검색어 자동완성기능을 제공한다.

==== Configuration ====
=== WEB_INF\web.xml ===
<code xml>
    <servlet>
		<servlet-name>sourceloader</servlet-name>
		<servlet-class>net.sourceforge.ajaxtags.servlets.SourceLoader</servlet-class>

		<init-param>
			<param-name>prefix</param-name>
			<param-value>/ajaxtags</param-value>
		</init-param>
	</servlet>

	<servlet-mapping>
		<servlet-name>sourceloader</servlet-name>
		<url-pattern>/ajaxtags/js/*</url-pattern>
	</servlet-mapping>

	<servlet-mapping>
		<servlet-name>sourceloader</servlet-name>
		<url-pattern>/ajaxtags/img/*</url-pattern>
	</servlet-mapping>

	<servlet-mapping>
		<servlet-name>sourceloader</servlet-name>
		<url-pattern>/ajaxtags/css/*</url-pattern>
	</servlet-mapping>

</code>
==== Source ====
=== egovframework\rte\cvpl\web\view\CvplAjaxXmlView.java ===
<code java>
package egovframework.rte.cvpl.web.view;

import java.util.Map;

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

import org.springframework.web.servlet.view.AbstractView;

public class CvplAjaxXmlView extends AbstractView {

	@Override
	protected void renderMergedOutputModel(Map model,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		response.setContentType("text/xml;");
		response.setHeader("Cache-Control", "no-cache");
		response.setCharacterEncoding("UTF-8");
			
		PrintWriter writer = response.getWriter();
		writer.write((String) model.get("ajaxXml"));
	}
}

</code>
=== egovframework\rte\cvpl\web\view\CvplXmlView.java ===
<code java>
package egovframework.rte.cvpl.web.view;

import java.util.Map;

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

import org.springframework.web.servlet.view.AbstractView;

import sun.text.CompactShortArray.Iterator;

public class CvplXmlView extends AbstractView {

	@Override
	protected void renderMergedOutputModel(Map model,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		for(Iterator it = (Iterator) model.keySet().iterator(); it.hasNext();){
			
		}
	}

}

</code>
=== egovframework\rte\cvpl\web\EgovCvplCnsltController.java ===
<code java>
...
        /** 공백이 아닌 경우, 검색어의 중복을 체크한다. */
        String searchKeyword = searchVO.getSearchKeyword();
        if (!searchKeyword.equals("")) {
	        String dupSrchKeyword = cvplCnsltService.checkDupSearchKeywordList(searchKeyword);
	        
	        if (!searchKeyword.equals(dupSrchKeyword)) {
	            /** 검색어를 등록한다. */
	        	cvplCnsltService.insertSearchKeywordList(searchKeyword);
	        }
        }
...
    @RequestMapping("/cvpl/egovCvplCnsltSearchAjax.do")
	protected ModelAndView handle(@RequestParam("searchKeyword") String searchKeyword) 
    			throws Exception {
				
		ModelAndView model = new ModelAndView(new CvplAjaxXmlView());
		List<String> searchKeywordList = cvplCnsltService.selectSearchKeywordList(searchKeyword);
		
		AjaxXmlBuilder ajaxXmlBuilder = new AjaxXmlBuilder();
		 
		for(String srchkeyword:searchKeywordList){
			ajaxXmlBuilder.addItem(srchkeyword, srchkeyword, false);			
		}

		model.addObject("ajaxXml",ajaxXmlBuilder.toString());
		return model;
	}

</code>
=== WEB-INF\jsp\egovframework\rte\cvpl\EgovCvplCnsltList.jsp ===
<code java>
<%@ taglib prefix="ajax" uri="http://ajaxtags.sourceforge.net/tags/ajaxtags" %>
...
<script type="text/javascript" src="<c:url value='/ajaxtags/js/prototype.js'/>"></script>
<script type="text/javascript" src="<c:url value='/ajaxtags/js/scriptaculous/scriptaculous.js'/>"></script>
<script type="text/javascript" src="<c:url value='/ajaxtags/js/overlibmws/overlibmws.js'/>"></script>
<script type="text/javascript" src="<c:url value='/ajaxtags/js/ajaxtags.js'/>"></script>
<link type="text/css" rel="stylesheet" href="<c:url value='/ajaxtags/css/ajaxtags.css'/>"/>
<link type="text/css" rel="stylesheet" href="<c:url value='/ajaxtags/css/displaytag.css'/>"/>
...
                            <form:input path="searchKeyword" cssClass="txt" />
...
</form:form>
<ajax:autocomplete 
  baseUrl="${pageContext.request.contextPath}/cvpl/egovCvplCnsltSearchAjax.do" 
  source="searchKeyword" 
  target="searchKeyword" 
  className="autocomplete" 
  minimumCharacters="1" />
</body>
</html>

</code>