Programming With Amazon, Google, And E Bay
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The document provides an overview of web services and APIs from Amazon, Google, and eBay that can be used for programming. It discusses technologies like SOAP, REST, JSON, and AJAX. It also provides examples of using the Amazon API to retrieve customer and wishlist information programmatically. The lab session involves setting up Eclipse IDE and making sample API calls to Amazon to retrieve and manipulate product data.
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Programming With Amazon, Google, And E Bay
- 1. Programming with Amazon, Google, and eBay Chunju Tseng (Lu) [email_address]
- 2. Outline Web Services in a nutshell AJAX Overview of Amazon, Google, and Ebay APIs More Web Services and Mashup Lab Session: Web Services Programming
- 3. What is Web Services? Web Services: A new way of reuse/integrate third party softwre or legacy system No matter where the software is, what platform it residents, or which language it was written in Based on XML and Internet protocols (HTTP, SMTP … ) Benefits: Ease of integration Develop applications faster
- 4. Web Services Architecture Simple Object Access Protocol (SOAP) Web Service Description Language (WSDL) Universal Description, Discovery and Integration (UDDI)
- 5. New Breeds of Web Services Representational State Transfer (REST) Use HTTP Get method to invoke remote services (not XML) The response of remote service can be in XML or any textual format Benefits: Easy to develop Easy to debug (with standard browser) Leverage existing web application infrastructure We will focus on REST services programming in the lab session
- 6. Server Responses in REST Really Simple Syndication (RSS, Atom) XML-based standard Designed for news-oriented websites to “Push” content to readers Excellent to monitor new content from websites JavaScript Object Notation (JSON) Lightweight data-interchange format Human readable and writable and also machine friendly Wide support from most languages (Java, C, C#, PHP, Ruby, Python…)
- 8. Rich Interactivity Web - AJAX AJAX: Asynchronous JavaScript + XML AJAX incorporates: standards-based presentation using XHTML and CSS ; dynamic display and interaction using the Document Object Model ; data interchange and manipulation using XML and XSLT ; asynchronous data retrieval using XMLHttpRequest ; and JavaScript binding everything together. Examples: http://www.gmail.com http://www.kiko.com More info: http://www.adaptivepath.com/publications/essays/archives/000385.php
- 10. Amazon Web Services (AWS) Amazon E-Commerce Service Search catalog, retrieve product information, images and customer reviews Retrieve wish list, wedding registry… Search seller and offer Alexa Services Retrieve information such as site rank, traffic rank, thumbnail, related sites amount others given a target URL Amazon Historical Pricing Programmatic access to over three years of actual sales data Amazon Simple Queue and Storage Service A distributed resource manager to store web services results Amazon Elastic Compute Cloud Sell computing capacity by the amount you use
- 11. Google Web APIs Google has a long list of APIs http://code.google.com/apis/ Google Search AJAX Search API SOAP Search API (deprecated) Custom search engine with Google Co-op Google Map API Google Data API (GData) Blogger, Google Base, Calendar, Gmail, Spreadsheets, and a lot more Google Talk XMPP for communication and IM Google Translation (http://www.oreillynet.com/pub/h/4807) Many more undocumented/unlisted APIs to be discovered in Google Blog
- 12. eBay API Buyers: Get the current list of eBay categories View information about items listed on eBay Display eBay listings on other sites Leave feedback about other users at the conclusion of a commerce transaction Sellers: Submit items for listing on eBay Get high bidder information for items you are selling Retrieve lists of items a particular user is currently selling through eBay Retrieve lists of items a particular user has bid on
- 13. Other Services/APIs Providers Yahoo! http://developer.yahoo.com/ Search (web, news, video, audio, image…) Flickr, del.icio.us, MyWeb, Answers API Windows Live http://msdn2.microsoft.com/en-us/live/default.aspx Search (SOAP, REST) Spaces (blog), Virtual Earth, Live ID Wikipedia Downloadable database http://en.wikipedia.org/wiki/Wikipedia:Technical_FAQ#Is_it_possible_to_download_the_contents_of_Wikipedia.3F Many more at Programmableweb.com http://www.programmableweb.com/apis
- 14. Services by Category Search Google, MSN, Yahoo E-Commerce Amazon, Ebay, Google Checkout TechBargain, DealSea, FatWallet Mapping Google, Yahoo!, Microsoft Community Blogger, MySpace, MyWeb del.icio.us, StumbleUpon Photo/ Video YouTube, Google Video, Flckr Identity/ Authentication Microsoft, Google, Yahoo News Various news feed websites including Reuters, Yahoo! and many more.
- 15. Mashup A Novel Form of Web Reuse “ A mashup is a website or application that combines content from more than one source into an integrated experience.” – Wikipedia API X + API Y = mashup Z Business model: Advertisement
- 16. Mashup: Weather Bonk http://www.weatherbonk.com/weather/index.jsp APIs: Google AdWords + Google Maps + hostip.info + MS Virtual Earth + NASA + NOAA Weather Service + WeatherBug + Yahoo Geocoding + Yahoo Maps + Yahoo Traffic
- 17. Lab Session: Amazon, Google, EBay APIs Required Software: Eclipse IDE V 3.21 (http://eclipse.org) Amazon API ( http://www.amazon.com/gp/aws/landing.html ) Amazon API Playground (http://awszone.com)
- 18. Setup NetBeans with Amazon Install Eclipse IDE for Java http://www.eclipse.org/ Register Amazon subscription ID http://www.amazon.com/gp/aws/landing.html Download Amazon Java sample Create project Install necessary libraries Execute Amazon code sample Main.java
- 19. Retrieve Customer Information CustomerContentSearch Give name to retrieve customer ID CustomerContentLookup Give customer ID Request WishList information ResponseGroup=CustomerInfo, CustomerLists Receive WishList ID Use AWSzone.com!
- 20. Retrieve Customer WishList and Response Manipulation ListLookup Give list ID and type to retrieve WishList content with a simple browser (REST) ResponseGroup=ListItems,ListInfo Result shows in XML format ListLookup with xml-to-text XSLT Give custom XSL to manipulate response Style=http://www.u.arizona.edu/~chunju/text.xsl&ContentType=text/plain ListLookup with xml-to-html XSLT ResponseGroup=ListItems,ListInfo,Images,SalesRank,ItemAttributes Style=http://www.u.arizona.edu/~chunju/html.xsl&ContentType=text/html
- 21. Access Amazon REST Service with Jakarta HttpClient Download & install necessary libraries Jakarta HttpClient, Codec JUnit Write first Java program in NetBeans Use previous REST invocation strings Print Amazon response in console Resources: http://jakarta.apache.org/commons/index.html http://www.junit.org/ http://www.u.arizona.edu/~chunju/HttpClientMain.java
- 22. Other Resources Java Web Services Developer Pack http://java.sun.com/webservices/downloads/webservicespack.html Consuming Web Services with NetBeans http://www.javapassion.com/planning/handsonbyol/netbeanswebservices/ XSLT Tutorial http://www.w3schools.com/xsl/