孙向锦 / SunvoteEducation

  package com.fh.util;
  
  import java.io.BufferedReader;

  import java.io.InputStreamReader;

  import java.io.Reader;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.Map;
  import java.util.Set;
  
  import javax.servlet.http.HttpServletRequest;
  
  import com.alibaba.druid.proxy.jdbc.ClobProxyImpl;

  import com.alibaba.fastjson.JSONObject;

  public class PageData extends HashMap implements Map{
  	
  	private static final long serialVersionUID = 1L;
  	
  	Map map = null;
  	HttpServletRequest request;
  	public PageData(HttpServletRequest request){

   		this.request = request;

  		Map properties = request.getParameterMap();
  		Map returnMap = new HashMap(); 
  		Iterator entries = properties.entrySet().iterator(); 
  		Map.Entry entry; 
  		String name = "";  
  		String value = "";  
  		while (entries.hasNext()) {
  			entry = (Map.Entry) entries.next(); 
  			name = (String) entry.getKey(); 
  			Object valueObj = entry.getValue(); 
  			if(null == valueObj){ 
  				value = ""; 
  			}else if(valueObj instanceof String[]){ 
  				String[] values = (String[])valueObj;
  				for(int i=0;i<values.length;i++){ 
  					 value = values[i] + ",";
  				}
  				value = value.substring(0, value.length()-1); 
  			}else{
  				value = valueObj.toString(); 
  			}

  			returnMap.put(name.toUpperCase(), value); 

  		}

          try {  
              BufferedReader streamReader = new BufferedReader( new InputStreamReader(request.getInputStream(), "UTF-8"));  
              StringBuilder responseStrBuilder = new StringBuilder();  
              String body = "";  
              while ((body = streamReader.readLine()) != null){
              	responseStrBuilder.append(body);  
              }
              if(!returnMap.containsKey("JSON")){
              	returnMap.put("JSON",responseStrBuilder.toString());
              }
          } catch (Exception e) {  
              e.printStackTrace();  
          }  

  		map = returnMap;
  	}
  	
  	public PageData() {
  		map = new HashMap();
  	}
  	

  
  	public String getJsonString(){
  		Object obj = "";
  		if(map != null){
  			 obj = map.get("JSON");
  		}
  		
  		return obj.toString() ;
  	}
  	

  	@Override
  	public Object get(Object key) {
  		Object obj = null;
  		if(map.get(key) instanceof Object[]) {
  			Object[] arr = (Object[])map.get(key);
  			obj = request == null ? arr:(request.getParameter((String)key) == null ? arr:arr[0]);
  		} else {
  			obj = map.get(key);
  		}
  		return obj;
  	}
  	
  	public String getString(Object key) {

  		Object obj = get(key);
  		if(obj != null){
  			return obj.toString();
  		}
  		return "";

  	}
  	
  	@SuppressWarnings("unchecked")
  	@Override
  	public Object put(Object key, Object value) {
  		if(value instanceof ClobProxyImpl){ 			//读取oracle Clob类型数据
  			try {
  				ClobProxyImpl cpi = (ClobProxyImpl)value;
  				Reader is = cpi.getCharacterStream(); 	//获取流
  				BufferedReader br = new BufferedReader(is);
  				String str = br.readLine();
  				StringBuffer sb = new StringBuffer();
  				while(str != null){						//循环读取数据拼接到字符串
  					sb.append(str);
  					sb.append("\n");
  					str = br.readLine();
  				}
  				value = sb.toString();
  			} catch (Exception e) {
  				e.printStackTrace();
  			}
  		}
  		return map.put(key, value);
  	}
  	
  	@Override
  	public Object remove(Object key) {
  		return map.remove(key);
  	}
  
  	public void clear() {
  		map.clear();
  	}
  
  	public boolean containsKey(Object key) {
  		// TODO Auto-generated method stub
  		return map.containsKey(key);
  	}
  
  	public boolean containsValue(Object value) {
  		// TODO Auto-generated method stub
  		return map.containsValue(value);
  	}
  
  	public Set entrySet() {
  		// TODO Auto-generated method stub
  		return map.entrySet();
  	}
  
  	public boolean isEmpty() {
  		// TODO Auto-generated method stub
  		return map.isEmpty();
  	}
  
  	public Set keySet() {
  		// TODO Auto-generated method stub
  		return map.keySet();
  	}
  
  	@SuppressWarnings("unchecked")
  	public void putAll(Map t) {
  		// TODO Auto-generated method stub
  		map.putAll(t);
  	}
  
  	public int size() {
  		// TODO Auto-generated method stub
  		return map.size();
  	}
  
  	public Collection values() {
  		// TODO Auto-generated method stub
  		return map.values();
  	}
  	
  }