com.ultrapower.eoms.common.plugin.ecside.common.HTMLOptionsUtil.java Source code

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/*
 * Copyright 2006-2007 original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ultrapower.eoms.common.plugin.ecside.common;

import java.util.Iterator;
import java.util.Map;

import org.apache.commons.lang.StringUtils;


/**
 * @author Wei Zijun
 *
 */

public class HTMLOptionsUtil {
   public static String getOptionsList(Map imap){
      return HTMLOptionsUtil.getOptionsList(imap,null);
   }
   public static String getOptionsList(Map imap,Object defaultKey){
      return HTMLOptionsUtil.getOptionsList(imap,defaultKey,null);
   }
   
   //LinkedHashMap is good
   public static String getOptionsList(Map imap,Object defaultKey ,String otherAttribute){
      StringBuffer rs=new StringBuffer();
      Iterator itor=imap.keySet().iterator();
      
      while (itor.hasNext()){
//         String key=(String)itor.next();
//         String value=(String)imap.get(key);
         String key=String.valueOf(itor.next()); 
         
         String value=convertString(imap.get(key),""); 
         
         String selected="";
         if (key.equals(defaultKey)){
            selected="selected=\"selected\"";
         }
         otherAttribute=StringUtils.isBlank(otherAttribute)?"":" "+otherAttribute+" ";

         rs.append("<option value=\"").append(key).append("\" ").append(selected).append(otherAttribute).append(" >")
            .append(value).append("</option>\n");
      }
      
      return rs.toString();
   }
   public static String convertString(Object obj,String nullTo){
      return obj==null?nullTo:obj.toString();
   }
   
}