WhatisGoogleAPIWiththeGoogleWebAPIsservice.ppt

Introduction to Google API… By Pratheepan Raveendranathan The Google Web APIs service is a beta web program that enables developers to easily find and manipulate information on the web. Google Web APIs are for developers and researchers interested in using Google as a resource in their applications. The Google Web APIs service allows software developers to query more than 3 billion web documents directly from their own computer programs. Google uses the SOAP and WSDL standards to act as an interface between the user’s program and Google API. Programming environments such as Java, Perl, Visual Studio .NET are compatible with Google API. Definitions from http:// /apis/ What can you do with the API Developers can issue search requests to Googles index of more than 3 billion web pages. and receive results as structured data, Estimated number of results, URL’s, Snippets, Query Time etc. access information in the Google cache, and check the spelling of words. To start using the API You need to, Download API Package from /apis/ Create an account and get your license key Install kit in your UMD account And also need Soap::Lite However, it is on all the csdev machines, so you don’t need to get it. IT is not on UB or Bulldog. Contents of this package: googleapi.jar - Java library for accessing the Google Web APIs service. GoogleAPIDemo.java - Example program that uses googleapi.jar. dotnet/ Example .NET - programs that uses Google Web APIs. APIs_Reference.html - Reference doc for the API. Describes semantics of all calls and fields. Javadoc - Documentation for the example Java libraries. Licenses - Licenses for Java code that is redistributed in this package. GoogleSearch.wsdl -WSDL description for Google SOAP API. soap-samples/ WSDL Web Services Description Language The standard format for describing a web service. Expressed in XML, a WSDL definition describes how to access a web service and what operations it will perform. This is the most impo