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Commit e63f35d

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cacococacoco
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‎.gitignore

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.DS_Store
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*.iml
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tmp/**/*

‎Procfile

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‎app/controllers/Mapper.java

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package controllers;
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import play.Logger;
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import play.Play;
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import play.cache.Cache;
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import play.modules.spring.Spring;
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import play.mvc.Controller;
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import service.api.Counter;
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public class Mapper extends Controller {
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private static final int INSTANCE_ENCODING_RADIX = 32;
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private static final String KEY_PREFIX = "url-";
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public static void index() {
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// render
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render();
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}
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public static void use(final String id) {
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Logger.info(String.format("Received id: [%s]", id));
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final Long count = Long.valueOf(id, INSTANCE_ENCODING_RADIX);
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final String key = String.format("%s%s", KEY_PREFIX, count);
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final String url = (String) Cache.get(key);
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if (url == null) {
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flash.error(String.format("No url mapping found for index: [%s]", id));
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index();
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}
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redirect(url);
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}
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public static void captureUrl(final String url) {
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final Counter counter = (Counter) Spring.getBean("counter");
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final long count = counter.next();
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// set the mapping in cache
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Cache.set(String.format("%s%s", KEY_PREFIX, count), url);
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// create short url
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// TODO: read the base url from configuration once DNS is in place
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// final String baseUrl = (String) Play.configuration.get("application.base.url");
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final String baseUrl = request.getBase();
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final String shortened = String.format("%s/%s",
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baseUrl,
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Long.toString(count, INSTANCE_ENCODING_RADIX));
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render(shortened);
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}
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}

‎app/service/api/Counter.java

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package service.api;
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public interface Counter {
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public long next();
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}

‎app/service/impl/CounterImpl.java

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package service.impl;
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import play.cache.Cache;
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import service.api.Counter;
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import org.springframework.stereotype.Service;
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@Service("counter")
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public class CounterImpl implements Counter {
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private static final long initial = 10000000L; // (ten million)
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private static final String COUNTER_KEY = "play:counter";
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public long next() {
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Long current = (Long) Cache.get(COUNTER_KEY);
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if (current == null) {
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current = initial;
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} else {
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current++;
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}
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Cache.set(COUNTER_KEY, current);
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return current;
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}
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}

‎app/views/Mapper/captureUrl.html

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#{extends 'main.html' /}
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#{set title:'Home' /}
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<h1>smal.ly url: ${shortened ?: 'NONE'}</h1>
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<a href="@{Mapper.index()}">Back to form</a>

‎app/views/Mapper/index.html

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#{extends 'main.html' /}
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#{set title:'Home' /}
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#{if flash.error}
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<p style="color:#c00">
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${flash.error}
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</p>
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#{/if}
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<form action="@{Mapper.captureUrl()}" method="GET">
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<input maxlength="2000" size="100" type="text" name="url" />
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<input type="submit" value="Shorten Url" />
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</form>

‎app/views/errors/404.html

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<!DOCTYPE html>
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<html>
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<head>
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<title>Not found</title>
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<meta http-equiv="Content-Type" content="text/html; charset=${_response_encoding}"/>
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</head>
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<body>
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#{if play.mode.name() == 'DEV'}
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#{404 result /}
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#{/if}
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#{else}
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<h1>Not found</h1>
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<p>
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${result.message}
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</p>
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#{/else}
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</body>
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</html>

‎app/views/errors/500.html

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<!DOCTYPE html>
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<html>
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<head>
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<title>Application error</title>
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<meta http-equiv="Content-Type" content="text/html; charset=${_response_encoding}"/>
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</head>
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<body>
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#{if play.mode.name() == 'DEV'}
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#{500 exception /}
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#{/if}
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#{else}
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<h1>Oops, an error occured</h1>
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#{if exception instanceof play.exceptions.PlayException}
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<p>
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This exception has been logged with id <strong>${exception.id}</strong>.
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</p>
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#{/if}
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#{/else}
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</body>
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</html>

‎app/views/main.html

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<!DOCTYPE html>
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<html>
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<head>
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<title>#{get 'title' /}</title>
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<meta charset="${_response_encoding}">
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<link rel="stylesheet" media="screen" href="@{'/public/stylesheets/main.css'}">
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#{get 'moreStyles' /}
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<link rel="shortcut icon" type="image/png" href="@{'/public/images/favicon.png'}">
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<script src="@{'/public/javascripts/jquery-1.5.2.min.js'}" type="text/javascript" charset="${_response_encoding}"></script>
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#{get 'moreScripts' /}
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</head>
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<body>
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#{doLayout /}
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</body>
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</html>

‎conf/application-context.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.0.xsd">
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</beans>

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