RESTful-Api-in-Java

POC of REST Api in Java by using jackson which uses JSON as Request and Response Object A DNS Resolver API which return the IP address of the requestes URL

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Requires Tomcat 7

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JAR Files:

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1. asm-all-3.3.1.jar
2. jersey-bundle-1.14.jar
3. json-simple-1.1.1.jar
4. jsr311-api-1.1.1.jar

There's no need for defining pom.xml if adding the above jar files.

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Maven Dependencies:

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<dependencies>
	<dependency>
		<groupId>asm</groupId>
		<artifactId>asm-all</artifactId>
		<version>3.3.1</version>
	</dependency>
	<dependency>
		<groupId>com.sun.jersey</groupId>
		<artifactId>jersey-bundle</artifactId>
		<version>1.14</version>
	</dependency>
	<dependency>
		<groupId>com.googlecode.json-simple</groupId>
		<artifactId>json-simple</artifactId>
		<version>1.1</version>
	</dependency>
</dependencies>

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Java Files:

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1. RESTService

   • Creates the REST Service

2. RESTServiceClient

   • Calls the REST Service
   • Passes JSON Object as Request

3. DnsResolver

   • Demo Functionality class
   • Resolves IP Address of the specified URL

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API URL:

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1. http://localhost:8080/RestAPI/api/dns

   • Url for the REST Api functionality
   • POST
   • Request: JSON Object
   • Eg: { "op":"DNS", "url":"www.google.com" }
   • Response: JSON Object -Eg: { "ip":"216.58.196.164", "url":"www.google.com" }

2. http://localhost:8080/RestAPI/api/verify

   • URL to check whether the API is running
   • GET
   • Response : Text