Apex Example of the new JSON parser/serialization

ApexJSONExample.cls

public with sharing class ApexJSONExample {

	public ApexJSONExample() {
		
	}
	
	public void testSerialize() {
		Flog__c f = new Flog__c();
		Dog__c dog = [SELECT ID, Name, Breed__c from Dog__c LIMIT 1];
		f.JSON__c = JSON.serialize(dog);
		insert f;
		//SELECT ID, Name, JSON__c from Flog__c
	}
	
	public void testDeserialize(string newName) {
		Flog__c f = [SELECT ID, Name, JSON__c from Flog__c LIMIT 1];
		Dog__c dog = (Dog__c)JSON.deserialize(f.JSON__c,Dog__c.class);
		dog.Name = newName;
		update dog;
		//SELECT Id, Name from Dog__c WHERE Name = 'NewDogName'
	}
	
	public List<String> getFlickrImages() {
		HttpRequest req = new HttpRequest();
		req.setEndpoint('http://api.flickr.com/services/feeds/photos_public.gne?format=json');
		req.setMethod('GET');
		
		Http http = new Http();
		HTTPResponse res = http.send(req);
		String feed = res.getBody();
		feed = feed.replace('jsonFlickrFeed(','');
		feed = feed.replace('})','}');
		
		List<String> urls = new List<String>();
		JSONParser parser = JSON.createParser(feed);
		        while (parser.nextToken() != null) {
		            if ((parser.getCurrentToken() == JSONToken.FIELD_NAME) && 
		                (parser.getText() == 'm')) {
		                	
							parser.nextToken();
							urls.add(parser.getText());
							
		            }
		        }
		
		return urls;
	}