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Git-Leon 6 anos atrás
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 ### The Point
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+* You are to write a command interpreter using the provided `SimpleShell` class.
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+* You're going to create a way
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+	* for commands to be typed into your shell,
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+	* to read the typed commands and arguments,
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+	* to send them off to the Under-A-Rock server using a REST API over the HTTP protocol,
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+	* to read the JSON data returned from the URL call,
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+	* to print it out nicely formatted for your user.
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-You are to write a command interpreter using the provided SimpleShell class. You're going to create a way for
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-commands to be typed into your shell, read the typed commands and arguments, send them off to the Under-A-Rock
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-server using a REST API over the HTTP protocol, read the JSON data returned from the URL call, and print it out
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-nicely formatted for your user. If you manage to get this all done in a reasonable time, attempt parts 2 and 3.
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+* `Under-A-Rock` acts a little (very little) like a twitter server or chat server.
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+	* You register your name and github id by creating an ID JSON payload (see below) and POSTing it to the server.
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+	* You can GET all the ids registered by sending a GET request to the same URL.
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+	* Once you've received all the ids, you can send messages to the world or to a specific `Github_id`.
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-Under-A-Rock acts a little (very little) like a twitter server or chat server.
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-You register your name and githubid by creating an ID JSON payload (see below) and POSTing it to the server. You can GET
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-all the ids registered by sending a GET request to the same URL. Once you've received all the ids, you can send
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-messages to the world or to a specific Github_id.
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-You
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-can send a message to the global timeline by POSTing a Message JSON object to the URL below.
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-If you leave the "to id" field empty, the message is "to the world". If you fill out the the JSON template with
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-a valid github_id in the "to id" field of the JSON payload, then that message is addressed to that friend. Yes, all
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-messages can be seen by users of the system. There are JSON templates below for both Ids and Messages.
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+* You can send a message to the global timeline by POSTing a Message JSON object to the URL below.
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+	* If you leave the `to id` field empty, the message is `to the world`.
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+	* If you fill out the the JSON template with a valid github_id in the `to id` field of the JSON payload, then that message is addressed to that friend.
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+	* Yes, all messages can be seen by users of the system.
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+	* There are JSON templates below for both Ids and Messages.
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-When you send a new Message or Id JSON object to the server, it records it, and fills in one or two fields.
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-A Message gets an assigned sequence number and a timestamp of when it was received by the server. An ID
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-object gets a "user id" field assigned to it.
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-Any sequence number, timestamp or userid you put into a JSON template
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-gets overwritten by the server when you POST it.
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-You're going to create a series of REST API handlers that will each perform a
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-specific command. Each one of the command methods will then call a even lower-level method that makes a certain kind
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-of HTTP request (GET, POST, PUT) to specific filled-in URL.
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-The Under-A-Rock Server can be reached at `http://zipcode.rocks:8085` Everyone uses the same server.
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+* When you send a new Message or Id JSON object to the server, it records it, and fills in one or two fields.
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+	* A Message gets an assigned sequence number and a timestamp of when it was received by the server.
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+	* An ID object gets a "user id" field assigned to it.
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+	* Any sequence number, timestamp or userid you put into a JSON template gets overwritten by the server when you POST it.
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-There are two segments to the API and two kinds of commands in the shell, the ID segment and the Messages segment.
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-You can explore several ways of doing the HTTP URL calls to the server, using the one of these:
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-* Core Java version
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-URL https://docs.oracle.com/javase/8/docs/api/java/net/URL.html and
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-HttpURLConnection https://docs.oracle.com/javase/8/docs/api/java/net/HttpURLConnection.html,
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-* Apache HTTP Client Library http://hc.apache.org/httpcomponents-client-ga/index.html
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-* Unirest for Java http://unirest.io/java.html
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-* Square's OKHttp https://github.com/square/okhttp
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+* You're going to create a series of REST API handlers that will each perform a
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+specific command.
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+	* Each one of the command methods will then call a even lower-level method that makes a certain kind of HTTP request (GET, POST, PUT) to specific filled-in URL.
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-Be prepared to defend your choice if which HTTP client library you chose, with reasons why you chose it.
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-You should also create some unit tests for your REST API handlers. You should look at how ItelliJ does management of
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-dependencies. (You'll be modifying the `pom.xml` file.) Usually, you merely need to add a `dependency` clause to the `dependencies`
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-clause in the pom.xml.
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+* The Under-A-Rock Server can be reached at `http://zipcode.rocks:8085` Everyone uses the same server.
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+	* There are two segments to the API and two kinds of commands in the shell, the ID segment and the Messages segment.
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-It's possible you may also need to understand some of what the Jackson package does for you. `jackson` will also need to be inserted into the `pom.xml` file, with a dependency clause.
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-* jackson json https://github.com/FasterXML/jackson
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+* You can explore several ways of doing the HTTP URL calls to the server, using the one of these:
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+	* [Apache HTTP Client Library](http://hc.apache.org/httpcomponents-client-ga/index.html)
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+	* [Unirest for Java](http://unirest.io/java.html)
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+	* [Square's OKHttp](https://github.com/square/okhttp)
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+	* Core Java:
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+		* [URL](https://docs.oracle.com/javase/8/docs/api/java/net/URL.html)
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+		* [HttpURLConnection](https://docs.oracle.com/javase/8/docs/api/java/net/HttpURLConnection.html)
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-And you may wish to create a couple classes `public class Message` and `public class Id` to make handling
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-the abstractions implied by the API easier.
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+* Be prepared to defend your choice if which HTTP client library you chose, with reasons why you chose it.
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+	* You should also create some unit tests for your REST API handlers.
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-Jackson can help you parse the json into objects,and objects back into JSON strings. Be sure to research how you can
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-dependencies in the `pom.xml` so that Jackson, well, so that you can use Jackson in the project.
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+* It's possible you may also need to understand some of what the [Jackson package](https://github.com/FasterXML/jackson) does.
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 ## IDs
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 #### ID commands in shell
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-In the shell,
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-`ids` should return a formatted list of the IDs available to you.
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+* In the shell, `ids` should return a formatted list of the IDs available to you.
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+* `ids your_name your_github_id` command should post your Name and your GithubId to the server.
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+* If you do this twice with two different Names, but the name GithubId, the name on the server gets changed.
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-`ids your_name your_github_id` command should post your Name and your GithubId to the server.
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-If you do this twice with two different Names, but the name GithubId, the name on the server gets changed.
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-
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-the IDs API is:
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+-
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+### The IDs API is:
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 #### URL: /ids/
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 * `GET` : Get all github ids registered
 
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 * `PUT` : change the name linked to your github id
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 json payload for /ids/ - this is a sample
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+
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 ```json
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 {
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     "userid": "-", // gets filled w id
 
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 }
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 ```
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- #### Example:
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-
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- if I type
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- ```aidl
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-cmd?
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- ids Kris xt0fer
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-```
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-  into the shell, your command processor creates a JSON object which looks like:
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+#### Example:
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+If I type `cmd? ids Kris xt0fer` into the shell, your command processor creates a JSON object which looks like:
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+
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  ```json
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  {
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      "userid": "-", // gets filled w id
 
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 ## Messages
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 #### Message comands in shell
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-
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-in the shell,
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+in the shell
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 * `messages` should return the last 20 messages, nicely formatted.
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 * `messages your_github_id` should return the last 20 messages sent to you.
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 * `send your_github_id 'Hello World' ` should post a new message in the timeline
 
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 * `GET` : Get last 20 msgs for myid from friendid
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 json payload for /messages/ these are samples, one to a specific friend, one to the timeline.
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+
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 ```json
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 [
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   {
 
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 #### Example:
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- if I type
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- ```aidl
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-cmd?
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+if I type
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+``` cmd?
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 send xt0fer 'Hello old buddy!' to torvalds
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 ```
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-  into the shell, your command processor creates a JSON object which looks like:
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+into the shell, your command processor creates a JSON object which looks like:
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  ```json
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-  {
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-     "sequence": "-",
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-     "timestamp": "_",
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-     "fromid": "xt0fer",
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-     "toid": "torvalds",
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-     "message": "Hello old buddy!"
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-   }
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+{
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+	"sequence": "-",
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+	"timestamp": "_",
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+	"fromid": "xt0fer",
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+	"toid": "torvalds",
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+	"message": "Hello old buddy!"
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+}
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  ```
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 and send it as the body of a POST request to  `http://zipcode.rocks:8085/ids/xt0fer/messages/`
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+
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 ## Part Two
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 What's that ProcessBuilder stuff about? In the SimpleShell class, take a look. How can that be used