searchresultstagextrainfo.java

基于struts框架的web开发应用实例

/*
 * Created on Mar 24, 2004
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package com.hp.mw.samples.struts.storefront.taglibs;

import java.util.Collection;

import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.VariableInfo;

import com.hp.mw.samples.struts.storefront.dataaccess.ProductSearch;

/**
 * @author zcollier
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class SearchResultsTagExtraInfo extends TagExtraInfo {

	/* (non-Javadoc)
	 * @see javax.servlet.jsp.tagext.TagExtraInfo#getVariableInfo(javax.servlet.jsp.tagext.TagData)
	 */
	public VariableInfo[] getVariableInfo(TagData arg0) {
		String id = arg0.getAttributeString("id");
		String idClass = Collection.class.getName();
		if (id == null)
			return null;

		String searchId = arg0.getAttributeString("searchId");
		String searchIdClass = ProductSearch.class.getName();
		if (id == null)
			return null;
			
		return new VariableInfo[] { 
			
			new VariableInfo(id, idClass, true, VariableInfo.NESTED),
			new VariableInfo(searchId, searchIdClass, true, VariableInfo.AT_BEGIN)
		};
	}

}