1. Uniform Resource Locators (URLs)
Scheme
Port Number
Query
Host Name
Hierarchical portion
CS 190 Lecture Notes: Tweeter Project

2. CS 190 Lecture Notes: Tweeter Project
HTTP GET Request
Method
URL
Protocol Version
GET /statuses/user_timeline?my_id=100 HTTP/1.1
Host:
User-Agent: Mozilla/5.0
Accept: text/html, */*
Accept-Language: en-us
Accept-Charset: ISO ,utf-8
Connection: keep-alive
blank line
Headers
Body (empty)
CS 190 Lecture Notes: Tweeter Project

3. CS 190 Lecture Notes: Tweeter Project
HTTP Response
Version
Status
Status Message
HTTP/ OK
Date: Thu, 24 Jul :36:27 GMT
Server: Tweeter/1.0
Content-Type: application/json;charset=UTF-8
Content-Length: 266
blank line
{"tweets":
[{"id": 20006, "user": 100,
"time": "Mon Oct 27 18:02:57 PDT 2014",
"text": "I’m at home now",},
{"id": 20005, "user": 100, "time": "Mon Oct 27 17:33:57 PDT 2014",
"text": "Stuck in traffic"}
] }
Headers
Body
CS 190 Lecture Notes: Tweeter Project

4. CS 190 Lecture Notes: Tweeter Project
HTTP POST Request
Method
URL
Protocol Version
POST /statuses/update HTTP/1.1
Host:
User-Agent: Mozilla/5.0
Accept: text/html, */*
Accept-Language: en-us
Accept-Charset: ISO ,utf-8
Connection: keep-alive
blank line
my_id=100&status=Stuck%20in%20traffic
Headers
Body
(form data)
Parameters
CS 190 Lecture Notes: Tweeter Project

5. CS 190 Lecture Notes: Tweeter Project
JSON Notation
Simple values:
"This is a string"
99.6
Arrays:
[14, 32, "California", 1.001]
Objects (named properties):
{"name": "Alice", "age": 24, "salary": }
Nested values:
{"name": "Alice", "gpa": 3.5, "friends": ["Bill", "Carol", "David"]}
CS 190 Lecture Notes: Tweeter Project

6. CS 190 Lecture Notes: Tweeter Project
Tweeter Interface
POST /friendships/create?my_id=100&user_id=200
User 100 becomes a follower of user 200
POST /friendships/destroy?my_id=100&user_id=200
User 100 is no longer a follower of user 200
GET /friends/ids.json?user_id=100
Return ids for all users that user 100 is following: [100, 84, 290, 16]
GET /followers/ids.json?user_id=100
Return ids for all the users following user 100: [200, 374, 82, 95, 1003]
CS 190 Lecture Notes: Tweeter Project

7. Tweeter Interface, cont’d
POST /statuses/update?my_id=100&status=Sleepy
Create a new tweet for user 100
GET /statuses/user_timeline.json?my_id= &count=20&max_id=25000
Return the 20 most recent tweets from user 100 (exclude tweets with ids > 25000) {"tweets": [{"id": 20006, "user": 100, "time": "Mon Oct 27 18:02:57 PDT 2014", "text": "I’m at home now"}, {"id": 20005, "user": 100, "time": "Mon Oct 27 17:33:57 PDT 2014", "text": "Stuck in traffic"} ] }
CS 190 Lecture Notes: Tweeter Project

8. Tweeter Interface, cont’d
GET /statuses/home_timeline.json?my_id= &count=10&max_id=25000
Return the 20 most recent tweets from user 100 and all users followed by user 100 (exclude tweets with ids > 25000)
CS 190 Lecture Notes: Tweeter Project