forecast.pde

String URL = "http://weather.livedoor.com/forecast/webservice/json/v1?city=170010";

String title,date,time;
JSONArray forecasts;

void setup(){

  size(300,300);
  
  loadJson();
  
  int fontSize = 20;
  PFont font = createFont("MS-Mincho.vlw",fontSize);
  textFont(font);
  
  textAlign(CENTER,CENTER);
  imageMode(CENTER);
  
  textLeading(fontSize+5);

}

void loadJson(){
  try{
    JSONObject jobj = loadJSONObject(URL);
    title = jobj.getString("title");
    String ptime = jobj.getString("publicTime"); 
    date = ptime.substring(0,10);
    time = ptime.substring(11,19);
    
    forecasts = jobj.getJSONArray("forecasts");
    
  }catch(Exception e){
    e.printStackTrace();
    exit();
  }
}

void draw(){
  background(255);
  fill(0);
  text(title,width/2,30);
  text(date+" "+time, 180,55);
  
  for(int i = 0; i < forecasts.size(); i++){
    
    JSONObject f = forecasts.getJSONObject(i);
    String s = f.getString("dateLabel") + "\n" + f.getString("telop");
    JSONObject t = f.getJSONObject("temperature");
    
    if(!t.isNull("min")){
      String d = t.getJSONObject("min").getString("celsius");
      s = s + "\n min:" + d;
    }
    if(!t.isNull("max")){
      String d = t.getJSONObject("max").getString("celsius");
      s = s + "\n max:" + d;
    }
    
    JSONObject im = f.getJSONObject("image");
    String imURL = im.getString("url");
    PImage img = loadImage(imURL);
    
    fill(255);
    rect(30 + 80 * i,100,80,160);
    
    fill(0);
    image(img,70 + 80 * i,130);
    
    text(s, 70 + 80 * i, 200);
    
  }
}