Jaunt JSON Querying Tutorial

try{
  UserAgent userAgent = new UserAgent();         //create new userAgent (headless browser).
  userAgent.sendGET("http://jsonplaceholder.typicode.com/posts/1");   //send request
  System.out.println(userAgent.json);	         //print the retrieved JSON object
  System.out.println("Other response data: " + userAgent.response); //response metadata, including headers.
}
catch(JauntException e){         //if an HTTP/connection error occurs, handle JauntException.
  System.err.println(e);
}

try{
  UserAgent userAgent = new UserAgent();         //create new userAgent (headless browser)
  System.out.println("SETTINGS:\n" + userAgent.settings);      //print the userAgent's default settings.
  userAgent.settings.autoSaveJSON = true;        //change settings to autosave last visited page.
   
  userAgent.sendGET("http://jsonplaceholder.typicode.com/posts/1");   //send request
  JNode title = userAgent.json.findFirst("title"); 
  System.out.println("title: " + title);	

  JNode body = userAgent.json.findFirst("body");
  System.out.println("body:" + body);      
}
catch(JauntException e){                         //if an HTTP/connection error occurs, handle JauntException.
  System.err.println(e);
}

try{
  UserAgent userAgent = new UserAgent();      
  userAgent.sendGET("http://jsonplaceholder.typicode.com/posts/1");   
  System.out.println("Response:\n" + userAgent.response);  //print response data
}
catch(ResponseException e){                                //catch HTTP/Connection error
  HttpResponse response = e.getResponse();                 //or check userAgent.response
  if(response != null){                                    //print response data field by field
    System.err.println("Requested url: " + response.getRequestedUrlMsg()); //print the requested url
    System.err.println("HTTP error code: " + response.getStatus());        //print HTTP error code
    System.err.println("Error message: " + response.getMessage());         //print HTTP status message
  }
  else{
    System.out.println("Connection error, no response!");
  }
} 

{
  "title": "The Big Book of Inventions",
  "editions": [1985, 2001, 2005, 2013],
  "author": {
    "firstName": "Greg",
    "lastName": "Gilmore"
  }
}

try{
  UserAgent userAgent = new UserAgent();         
  userAgent.openJSON(new File("example4.json"));  //open JSON from a file
  
  JNode node = userAgent.json.findFirst("firstName");
  System.out.println("node name: " + node.getName());
  System.out.println("node type: " + node.getType());
  System.out.println("parent node name: " + node.getParent().getName());
  System.out.println("node as string: " + node.toString());
  System.out.println("------------");
 
  node = userAgent.json.getFirst("author");
  System.out.println("node name: " + node.getName());
  System.out.println("node type: " + node.getType());
  System.out.println("node as string:\n" + node.toString());  
  System.out.println("last name: " + node.getFirst("lastName"));  //or node.get("lastName")
  System.out.println("------------");
  
  node = userAgent.json.getFirst("editions");
  System.out.println("node name: " + node.getName());
  System.out.println("node type: " + node.getType());
  System.out.println("node as string:\n" + node.toString());   
}
catch(JauntException e){         
  System.err.println(e);
}

try{ 
  UserAgent userAgent = new UserAgent();
  userAgent.openJSON("{ \"editions\": [1985, 2003, 2010, 2014] }");  //open JSON from String

  JNode editionsArray = userAgent.json.getFirst("editions");  
  System.out.println("size of array: " + editionsArray.size());
  JNode firstArrayElement = editionsArray.get(0);
  int value = firstArrayElement.toInt();
  System.out.println("first array value: " + value);  // or firstArrayElement.toString()
  
  System.out.println("all array elements:");
  for(JNode node : editionsArray){
    System.out.println("edition year: " + node);
  }  
}
catch(JauntException e){
  System.err.println(e);
}

{
  "name": "Return of the Flesh-eating Zombies",
  "producer":  {
    "lastName": "Richards",
    "title": "Mr",
    "email": null
  },
  "assistant producer": {
    "lastName": "Kosser",
    "title": "Mr",
    "email": "kosser@paramount.com"
  },
  "director": {
    "lastName": "Ryan",
    "title": "Mrs" 
  } 
}

try{ 
  UserAgent userAgent = new UserAgent(); 
  userAgent.openJSON(new File("example9.json"));  

  //Search for every director or assistant producer object having 'email' attribute
  JNode searchResults = userAgent.json.findEvery("(director|assistant\\s*producer): { email: }");  
  System.out.println("Number of results: " + searchResults.size());
 
  //Search for every producer object having 'email' or 'Email' attribute 
  searchResults = userAgent.json.findEvery("producer: { (email|Email): }");   //quotes optional
  System.out.println("Number of results: " + searchResults.size());
  
  //Search for every object having title 'Mr' or 'Mrs'
  searchResults = userAgent.json.findEvery("{ title: Mrs? }");
  System.out.println("Number of results: " + searchResults.size() + " results");
}
catch(JauntException e){
  System.err.println(e);
}