First working piece.

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>me.ravikanth</groupId>
+  <artifactId>qodtest</artifactId>
+  <packaging>war</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>qodtest Maven Webapp</name>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.glassfish.jersey.containers</groupId>
+      <artifactId>jersey-container-servlet</artifactId>
+      <version>2.22</version>
+    </dependency>
+    <dependency>
+      <groupId>org.glassfish.jersey.containers</groupId>
+      <artifactId>jersey-container-servlet-core</artifactId>
+      <version>2.22</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.glassfish.jersey.media</groupId>
+      <artifactId>jersey-media-json-jackson</artifactId>
+      <version>2.22</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.mongodb</groupId>
+      <artifactId>mongo-java-driver</artifactId>
+      <version>3.0.4</version>
+    </dependency>
+
+  </dependencies>
+  <build>
+    <finalName>qodtest</finalName>
+  </build>
+</project>

src/main/java/me/ravikanth/qodtest/dao/QuoteDAO.java

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+package me.ravikanth.qodtest.dao;
+
+import me.ravikanth.qodtest.resource.Quote;
+
+/**
+ * Created by ragudipati on 11/30/15.
+ */
+public interface QuoteDAO {
+    public Quote insert(Quote quote);
+    public Quote getQuote();
+}

src/main/java/me/ravikanth/qodtest/dao/QuoteDAOImpl.java

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+package me.ravikanth.qodtest.dao;
+
+import com.mongodb.BasicDBObject;
+import com.mongodb.DB;
+import com.mongodb.DBCollection;
+import com.mongodb.MongoClient;
+import me.ravikanth.qodtest.resource.Quote;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by ragudipati on 11/30/15.
+ */
+public class QuoteDAOImpl implements QuoteDAO {
+    public Quote insert(Quote quote) {
+
+        Quote ret = null;
+        MongoClient mongoClient = null;
+        try{
+            // Connect to MongoDB
+            mongoClient = new MongoClient("localhost", 27017);
+            DB db = (DB) mongoClient.getDB("qod");
+            DBCollection dbCollection =  db.getCollection("qod_unused");
+
+            BasicDBObject doc = new BasicDBObject();
+            for(String key : quote.getFields().keySet()){
+                doc.append(key, quote.getFields().get(key));
+            }
+            dbCollection.insert(doc);
+            mongoClient.close();
+            ret = quote;
+        }catch (Exception e){
+            System.err.println(e.getClass().getName() + " : " + e.getMessage());
+        }finally {
+            if(mongoClient != null){
+                mongoClient.close();
+            }
+        }
+        return ret;
+    }
+
+    public Quote getQuote() {
+        Quote ret = null;
+        MongoClient mongoClient = null;
+
+        try{
+            mongoClient = new MongoClient("localhost", 27017);
+            DB db = (DB) mongoClient.getDB("qod");
+            DBCollection unusedDBCollection = (DBCollection) db.getCollection("qod_unused");
+            DBCollection usedDBCollection = (DBCollection) db.getCollection("qod_used");
+
+            BasicDBObject doc = (BasicDBObject) unusedDBCollection.findOne();
+
+            ret = new Quote();
+            Map<String, String> fields = new HashMap<String , String>();
+
+            for(Map.Entry<String, Object> entry : doc.entrySet()){
+                if(!entry.getKey().contains("_id"))
+                fields.put(entry.getKey(), (String) entry.getValue());
+            }
+            ret.setFields(fields);
+
+            unusedDBCollection.remove(doc);
+            usedDBCollection.insert(doc);
+            mongoClient.close();
+
+        }catch(Exception e){
+            System.err.println(e.getClass().getName() + " : " + e.getMessage());
+        }finally {
+            if(mongoClient != null){
+                mongoClient.close();
+            }
+        }
+        return ret;
+    }
+}

src/main/java/me/ravikanth/qodtest/resource/Quote.java

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+package me.ravikanth.qodtest.resource;
+
+import java.util.Map;
+
+/**
+ * Created by ragudipati on 11/30/15.
+ */
+public class Quote {
+    private Map<String, String> fields;
+
+
+    public Map<String, String> getFields() {
+        return fields;
+    }
+
+    public void setFields(Map<String, String> fields) {
+        this.fields = fields;
+    }
+}

src/main/java/me/ravikanth/qodtest/resource/QuoteManager.java

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+package me.ravikanth.qodtest.resource;
+
+import me.ravikanth.qodtest.resource.Quote;
+
+/**
+ * Created by ragudipati on 11/28/15.
+ */
+public interface QuoteManager {
+    public Quote postQuote(Quote quote);
+    public Quote getQuote();
+}

src/main/java/me/ravikanth/qodtest/resource/QuoteManagerImpl.java

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+package me.ravikanth.qodtest.resource;
+
+import me.ravikanth.qodtest.dao.QuoteDAO;
+import me.ravikanth.qodtest.dao.QuoteDAOImpl;
+
+/**
+ * Created by ragudipati on 11/30/15.
+ */
+public class QuoteManagerImpl implements QuoteManager {
+    public Quote postQuote(Quote quote) {
+        Quote ret = null;
+        QuoteDAO quoteDAO = new QuoteDAOImpl();
+        ret = quoteDAO.insert(quote);
+        return ret;
+    }
+
+    public Quote getQuote() {
+        Quote ret = null;
+        QuoteDAO quoteDAO = new QuoteDAOImpl();
+        ret = quoteDAO.getQuote();
+        return  ret;
+    }
+}

src/main/java/me/ravikanth/qodtest/service/QodService.java

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+package me.ravikanth.qodtest.service;
+
+import me.ravikanth.qodtest.resource.Quote;
+import me.ravikanth.qodtest.resource.QuoteManager;
+import me.ravikanth.qodtest.resource.QuoteManagerImpl;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Produces;
+import javax.ws.rs.Path;
+
+/**
+ * Created by ragudipati on 11/30/15.
+ */
+// The Java class will be hosted at the URI path "/helloworld"
+@Path("/quote")
+public class QodService {
+    // The Java method will process HTTP GET requests
+    @GET
+    @Path("/getTest")
+    // The Java method will produce content identified by the MIME Media type "text/plain"
+    @Produces("application/json")
+    public String getClichedMessage() {
+        // Return some cliched textual content
+        return "Hello World from qodtest";
+    }
+
+
+    @GET
+    @Produces("application/json")
+    public Quote getQuote(){
+        Quote ret = null;
+        QuoteManager quoteManager = new QuoteManagerImpl();
+        ret = quoteManager.getQuote();
+        return  ret;
+    }
+
+    @POST
+    @Produces("application/json")
+    public Quote postTest(Quote quote){
+        Quote ret = null;
+        for(String key : quote.getFields().keySet()){
+            System.out.println(key + ":"+quote.getFields().get(key));
+        }
+        QuoteManager quoteManager = new QuoteManagerImpl();
+        ret = quoteManager.postQuote(quote);
+        return ret;
+    }
+}

src/main/webapp/WEB-INF/web.xml

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+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+
+  <servlet>
+    <servlet-name>qodtest-servlet</servlet-name>
+    <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
+
+    <init-param>
+      <param-name>jersey.config.server.provider.packages</param-name>
+      <param-value>me.ravikanth.qodtest</param-value>
+    </init-param>
+
+    <load-on-startup>1</load-on-startup>
+  </servlet>
+
+
+  <servlet-mapping>
+    <servlet-name>qodtest-servlet</servlet-name>
+    <url-pattern>/api/*</url-pattern>
+  </servlet-mapping>
+</web-app>

src/main/webapp/index.jsp

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+<html>
+<body>
+<h2>Hello World!</h2>
+</body>
+</html>