java proxy to resolve ipv6 issue

watsonml-java-proxy/.gitignore

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+*#
+*.iml
+*.ipr
+*.iws
+*.jar
+*.sw?
+*~
+.#*
+.*.md.html
+.DS_Store
+.classpath
+.factorypath
+.gradle
+.idea
+.metadata
+.project
+.recommenders
+.settings
+.springBeans
+/build
+/code
+MANIFEST.MF
+_site/
+activemq-data
+bin
+build
+build.log
+dependency-reduced-pom.xml
+dump.rdb
+interpolated*.xml
+lib/
+manifest.yml
+overridedb.*
+settings.xml
+target
+transaction-logs
+.flattened-pom.xml
+secrets.yml
+.gradletasknamecache
+.sts4-cache

watsonml-java-proxy/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.ibm</groupId>
+    <artifactId>watsonml</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <packaging>war</packaging>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.5.10.RELEASE</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <!-- logging -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-logging</artifactId>
+        </dependency>
+        <!-- connection pooling -->
+        <dependency>
+            <groupId>com.zaxxer</groupId>
+            <artifactId>HikariCP</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-validator</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.3.0</version>
+        </dependency>
+
+        <!-- swagger -->
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>2.7.0</version>
+            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>2.7.0</version>
+            <scope>compile</scope>
+        </dependency>
+
+        <!-- test -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-couchbase</artifactId>
+            <version>3.0.7.RELEASE</version>
+        </dependency>
+
+        <!-- IBM Cloudant -->
+        <dependency>
+            <groupId>com.cloudant</groupId>
+            <artifactId>cloudant-client</artifactId>
+            <version>2.12.0</version>
+        </dependency>
+
+        <!-- IBM push notification -->
+        <dependency>
+            <groupId>com.ibm.mobilefirstplatform.serversdk.java</groupId>
+            <artifactId>push</artifactId>
+            <version>1.1.0</version>
+        </dependency>
+
+    </dependencies>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+
+    <build>
+
+        <finalName>watsonml</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>spring-releases</id>
+            <url>https://repo.spring.io/libs-release</url>
+        </repository>
+    </repositories>
+    <pluginRepositories>
+        <pluginRepository>
+            <id>spring-releases</id>
+            <url>https://repo.spring.io/libs-release</url>
+        </pluginRepository>
+    </pluginRepositories>
+
+</project>

watsonml-java-proxy/src/main/java/com/ibm/watsonml/Application.java

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+package com.ibm.watsonml;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.client.AsyncRestTemplate;
+import org.springframework.web.client.RestTemplate;
+
+@SpringBootApplication
+public class Application {
+
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class,args);
+    }
+
+
+    /**
+     * Rest template configuration
+     * @param builder
+     * @return
+     */
+    @Bean
+    public RestTemplate restTemplate(RestTemplateBuilder builder) {
+        return builder.build();
+    }
+
+    @Bean
+    AsyncRestTemplate asyncRestTemplate() {
+        return new AsyncRestTemplate();
+    }
+}

watsonml-java-proxy/src/main/java/com/ibm/watsonml/controller/AvatarController.java

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+package com.ibm.watsonml.controller;
+
+
+import com.ibm.watsonml.service.ScoreEntryService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.concurrent.CompletableFuture;
+
+@RestController
+@RequestMapping("/avatar")
+public class AvatarController {
+
+
+    Logger log = LoggerFactory.getLogger(this.getClass().getName());
+
+
+    @Autowired
+    private ScoreEntryService scoreEntryService;
+
+
+    @GetMapping("/leaderboardAvatar/{id}")
+    public CompletableFuture<byte[]> getLeaderBoardAvatar(@PathVariable String id){
+
+        CompletableFuture<byte[]> media = new CompletableFuture<>();
+        try {
+            media = scoreEntryService.getLeaderBoardAvatar(id);
+        } catch (InterruptedException e) {
+            log.error("Not able to get image bytes");
+            media.completeExceptionally(e);
+        }
+
+        return media;
+    }
+
+
+}

watsonml-java-proxy/src/main/java/com/ibm/watsonml/controller/ScoreEntryController.java

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+package com.ibm.watsonml.controller;
+
+
+import com.ibm.watsonml.model.ScoreEntry;
+import com.ibm.watsonml.model.UserCount;
+import com.ibm.watsonml.service.ScoreEntryService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+@RestController
+@RequestMapping("/watsonml")
+public class ScoreEntryController {
+
+    Logger log = LoggerFactory.getLogger(this.getClass().getName());
+
+
+    @Autowired
+    private ScoreEntryService scoreEntryService;
+
+
+    @PostMapping("/entries")
+    public CompletableFuture<ScoreEntry> saveUserData(HttpServletRequest request, @RequestBody ScoreEntry scoreEntry) {
+        log.debug("REST request to save user score");
+        CompletableFuture<ScoreEntry> entries = new CompletableFuture<>();
+        try {
+            entries.complete(scoreEntryService.saveUserScore(scoreEntry).get());
+        } catch (Exception e) {
+            log.error("Error while making external API call {}", e);
+            entries.completeExceptionally(e);
+        }
+        return entries;
+    }
+
+    @PutMapping("/entries/{identifier}")
+    public CompletableFuture<ScoreEntry> updateUserData(@RequestBody ScoreEntry scoreEntry,@PathVariable String identifier) {
+        log.debug("REST request to update user score");
+        CompletableFuture<ScoreEntry> entries = new CompletableFuture<>();
+        try {
+            entries.complete(scoreEntryService.updateUserScore(scoreEntry).get());
+        } catch (Exception e) {
+            log.error("Error while making external API call {}", e);
+            entries.completeExceptionally(e);
+        }
+        return entries;
+    }
+
+
+    @GetMapping("/leaderboard")
+    public CompletableFuture<List<ScoreEntry>> getLeaderBoard() {
+        log.debug("REST request to get leaderboard");
+        CompletableFuture<List<ScoreEntry>> entries = new CompletableFuture<>();
+        try {
+            entries.complete(scoreEntryService.getLeaderBoard().get());
+        } catch (Exception e) {
+            log.error("Error while making external API call {}", e);
+            entries.completeExceptionally(e);
+        }
+        return entries;
+    }
+
+    @GetMapping("/leaderboard/{id}")
+    public CompletableFuture<List<ScoreEntry>> getLeaderBoardForUser(@PathVariable String id) {
+        log.debug("REST request to get leaderboard");
+        CompletableFuture<List<ScoreEntry>> entries = new CompletableFuture<>();
+        try {
+            entries.complete(scoreEntryService.getLeaderBoard(id).get());
+        } catch (Exception e) {
+            log.error("Error while making external API call {}", e);
+            entries.completeExceptionally(e);
+        }
+        return entries;
+    }
+
+
+    @GetMapping("/user/counts")
+    public CompletableFuture<UserCount> getTotaUsersCount() {
+        log.debug("REST request to get leaderboard");
+        CompletableFuture<UserCount> entries = new CompletableFuture<>();
+        try {
+            entries.complete(scoreEntryService.getUserCount().get());
+        } catch (Exception e) {
+            log.error("Error while making external API call {}", e);
+            entries.completeExceptionally(e);
+        }
+        return entries;
+    }
+}

watsonml-java-proxy/src/main/java/com/ibm/watsonml/model/IdentifiedObjects.java

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+package com.ibm.watsonml.model;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+public class IdentifiedObjects implements Serializable{
+
+    private String name;
+    private BigDecimal timestamp;
+
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public BigDecimal getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(BigDecimal timestamp) {
+        this.timestamp = timestamp;
+    }
+}