JSON: Get node value, : JSON « Development « Android

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2. Development
3. JSON

JSON: Get node value,

   

//package com.omar.labs.tamtamy.JSON;

import java.net.URLEncoder;
import java.util.ArrayList;

public class JSONUtility {

  public static String getNodeValue(String json, String propName){
    String tmp = null;
    int match = json.indexOf(propName+":");
    if(match!=-1){
    int start = match + (propName+":").length();
    int stop = json.indexOf(",", start);    
    try{
      if(stop>0 && stop-start>1 && json.charAt(start)=='"')        
        tmp = json.substring(start+1, stop-1);
      else if(stop>0)
        tmp = json.substring(start, stop);  
      else
        tmp = json.substring(start+1);  
    }catch (Exception ex){

    }    
    if(tmp.indexOf("\"}")!=-1)
      tmp = tmp.substring(0, tmp.length()-2);
    }
    return tmp; 
  }
  
  public static ArrayList getNodesValue(String json){
    
    if(json.startsWith("\""))
      json = json.substring(1);
    if(json.endsWith("\"")) 
      json = json.substring(0, json.length()-1); 
    
    if(json.startsWith("["))
      json = json.substring(1);
    if(json.endsWith("]")) 
      json = json.substring(0, json.length()-1); 
      
    String[] tmp = json.split(",");
    ArrayList<String> tmpArr = new ArrayList<String>();
    for(int t=0; t<tmp.length; t++){
      String element = tmp[t];
      if(element.startsWith("\""))
          element = element.substring(1);
      if(element.endsWith("\"")) 
        element = element.substring(0, element.length()-1);        
      tmpArr.add(element);
    }
        
    return tmpArr;
  }
  
  /*
  public static String getNodeValueWithList(String json, String propName){    
    String tmp = null;    
    int start = json.indexOf(propName+":") + (propName+":").length();
    int stop = json.indexOf("]", start);    
    try{
      if(stop>0)
        tmp = json.substring(start, stop);
      else
      tmp = json.substring(start);  
    }catch (Exception ex){
        
    }    
    if(tmp.indexOf("\"")!=-1)
      tmp = tmp.substring(1, tmp.length()-1);    
    return tmp; 
  }
  */
  
  public static ArrayList<String> getNodeValueWithList(String json, String propName){    
    ArrayList<String> tmpA = new ArrayList<String>();
    String tmp = null;    
    int start = json.indexOf(propName+":") + (propName+":").length();
    int stop = json.indexOf("]", start);
    int stop1 = json.lastIndexOf("]");
    try{
      if (stop>0 && stop == stop1){
      tmp = json.substring(start+1, stop);
      }else if(stop1>0){
      tmp = json.substring(start+1, stop1);   
      }else{  
      tmp = json.substring(start, json.length()-1);
      }  
    }catch (Exception ex){
        ex.printStackTrace();
    }    
    //if(tmp.indexOf("\"")!=-1)
    //  tmp = tmp.substring(1, tmp.length());
    
    String[] items = null;
    if(tmp.indexOf("},{")==-1 && !propName.equals("\"list\""))
      items = tmp.split(",");
    else
      items = tmp.split("\\},\\{");
    for(int i=0; i<items.length; i++){
      tmpA.add(items[i]);
    }        
    return tmpA; 
  }  
}

   
    
    
  

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