From 0d6b2551877ebd1e3939ae0c791545e52bc861f7 Mon Sep 17 00:00:00 2001
From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Date: Sat, 8 Oct 2016 18:07:03 +0300
Subject: [PATCH] Add SimpleRPC

---
 SimpleRPC/pom.xml                             | 38 ++++++++++++++++
 .../utils/simplerpc/RPCRequest.java           | 36 +++++++++++++++
 .../utils/simplerpc/RPCResponse.java          | 44 +++++++++++++++++++
 .../utils/test/simplerpc/TestRPC.java         | 44 +++++++++++++++++++
 pom.xml                                       |  1 +
 5 files changed, 163 insertions(+)
 create mode 100644 SimpleRPC/pom.xml
 create mode 100644 SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCRequest.java
 create mode 100644 SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCResponse.java
 create mode 100644 SimpleRPC/src/test/java/eu/mikroskeem/utils/test/simplerpc/TestRPC.java

diff --git a/SimpleRPC/pom.xml b/SimpleRPC/pom.xml
new file mode 100644
index 0000000..a032b31
--- /dev/null
+++ b/SimpleRPC/pom.xml
@@ -0,0 +1,38 @@
+<?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">
+    <parent>
+        <artifactId>utils</artifactId>
+        <groupId>eu.mikroskeem</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>simplerpc</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.7</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.16.10</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains</groupId>
+            <artifactId>annotations-java5</artifactId>
+            <version>RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCRequest.java b/SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCRequest.java
new file mode 100644
index 0000000..90d9414
--- /dev/null
+++ b/SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCRequest.java
@@ -0,0 +1,36 @@
+package eu.mikroskeem.utils.simplerpc;
+
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+import lombok.Data;
+import lombok.ToString;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.*;
+import java.util.List;
+
+@Data @ToString
+public class RPCRequest implements Serializable {
+    private String id;
+    private String method;
+    private List<Object> arguments;
+
+    @Nullable public byte[] toByteArray() {
+        try {
+            return new Gson().toJson(this, RPCRequest.class).getBytes("UTF-8");
+        } catch (JsonSyntaxException|UnsupportedEncodingException e){
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Nullable public static RPCRequest fromByteArray(byte[] serialized){
+        try {
+            return new Gson().fromJson(new String(serialized, "UTF-8"), RPCRequest.class);
+        } catch (JsonSyntaxException|UnsupportedEncodingException e){
+            e.printStackTrace();
+        }
+        return null;
+    }
+}
diff --git a/SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCResponse.java b/SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCResponse.java
new file mode 100644
index 0000000..af2c480
--- /dev/null
+++ b/SimpleRPC/src/main/java/eu/mikroskeem/utils/simplerpc/RPCResponse.java
@@ -0,0 +1,44 @@
+package eu.mikroskeem.utils.simplerpc;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+import lombok.Data;
+import lombok.ToString;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.*;
+import java.util.List;
+
+/**
+ * RPCResponse class
+ */
+@Data @ToString
+public class RPCResponse implements Serializable {
+    private String id;
+    private Status status;
+    private String message;
+    private List<Object> response;
+
+    @Nullable public byte[] toByteArray() {
+        try {
+            return new Gson().toJson(this, RPCResponse.class).getBytes("UTF-8");
+        } catch (JsonSyntaxException |UnsupportedEncodingException e){
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Nullable public static RPCResponse fromByteArray(byte[] serialized){
+        try {
+            return new Gson().fromJson(new String(serialized, "UTF-8"), RPCResponse.class);
+        } catch (JsonSyntaxException|UnsupportedEncodingException e){
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public enum Status {
+        SUCCESS,
+        ERROR
+    }
+}
diff --git a/SimpleRPC/src/test/java/eu/mikroskeem/utils/test/simplerpc/TestRPC.java b/SimpleRPC/src/test/java/eu/mikroskeem/utils/test/simplerpc/TestRPC.java
new file mode 100644
index 0000000..1ec8e7f
--- /dev/null
+++ b/SimpleRPC/src/test/java/eu/mikroskeem/utils/test/simplerpc/TestRPC.java
@@ -0,0 +1,44 @@
+package eu.mikroskeem.utils.test.simplerpc;
+
+import eu.mikroskeem.utils.simplerpc.RPCRequest;
+import eu.mikroskeem.utils.simplerpc.RPCResponse;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.UUID;
+
+public class TestRPC {
+    @Test public void testRPCRequestSerialize() throws Exception {
+        RPCRequest rpcRequest = new RPCRequest();
+        rpcRequest.setId(UUID.randomUUID().toString());
+        rpcRequest.setMethod("wut");
+        rpcRequest.setArguments(new ArrayList<Object>(){{
+            add("njeeger");
+            add(20D); // Apparently Gson always converts int/float to double when passed as Object
+            add("õäöu");
+            add("( ͡° ͜ʖ ͡°)");
+        }});
+
+        RPCRequest unserialized = RPCRequest.fromByteArray(
+                rpcRequest.toByteArray()
+        );
+
+        Assert.assertEquals(rpcRequest.toString(), unserialized.toString());
+    }
+
+    @Test public void testRPCResponseSerialize() throws Exception {
+        RPCResponse rpcResponse = new RPCResponse();
+        rpcResponse.setStatus(RPCResponse.Status.SUCCESS);
+        rpcResponse.setMessage("hey");
+        rpcResponse.setResponse(new ArrayList<Object>(){{
+            add("my name is jeff");
+        }});
+
+        RPCResponse unserialized = RPCResponse.fromByteArray(
+                rpcResponse.toByteArray()
+        );
+
+        Assert.assertEquals(rpcResponse.toString(), unserialized.toString());
+    }
+}
diff --git a/pom.xml b/pom.xml
index 78d3020..035e62d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,6 +16,7 @@
         <module>Itemutils</module>
         <module>TextUtils</module>
         <module>BukkitUtils</module>
+        <module>SimpleRPC</module>
     </modules>
 
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