Add core Command model

src/main/java/com/rimonmostafiz/elasticlight/core/Command.java

@@ -0,0 +1,22 @@
+package com.rimonmostafiz.elasticlight.core;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Rimon Mostafiz
+ */
+@Data
+@AllArgsConstructor
+public class Command {
+    private Verb verb;
+    private String path;
+    private String body;
+    private Head head;
+
+    public Command() {
+        this.path = "";
+        this.verb = Verb.GET;
+        this.head = Head.JSON;
+    }
+}

src/main/java/com/rimonmostafiz/elasticlight/core/Head.java

@@ -0,0 +1,14 @@
+package com.rimonmostafiz.elasticlight.core;
+
+import lombok.AllArgsConstructor;
+
+/**
+ * @author Rimon Mostafiz
+ */
+@AllArgsConstructor
+public enum Head {
+    JSON("application/json"),
+    ND_JSON("application/ndjson");
+
+    public String value;
+}

src/main/java/com/rimonmostafiz/elasticlight/core/Verb.java

@@ -0,0 +1,14 @@
+package com.rimonmostafiz.elasticlight.core;
+
+import org.springframework.http.HttpMethod;
+
+/**
+ * @author Rimon Mostafiz
+ */
+public enum Verb {
+    GET, POST, PUT, DELETE;
+
+    public HttpMethod resolve() {
+        return HttpMethod.resolve(this.name());
+    }
+}

src/test/java/com/rimonmostafiz/elasticlight/core/CommandTest.java

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+package com.rimonmostafiz.elasticlight.core;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+/**
+ * @author Rimon Mostafiz
+ */
+@SpringBootTest
+class CommandTest {
+
+    private Command command;
+
+    @BeforeEach
+    public void before() {
+        this.command = new Command();
+    }
+
+    @Test
+    public void defaultValue() {
+        Assertions.assertNotNull(command, "command null");
+
+        Assertions.assertNotNull(this.command.getVerb(), "command.verb null");
+        Assertions.assertEquals(command.getVerb(), Verb.GET, "command.verb is not GET");
+
+        Assertions.assertNotNull(this.command.getPath(), "command.path null");
+        Assertions.assertEquals(this.command.getPath(), "", "command.path not empty");
+
+        Assertions.assertNull(this.command.getBody(), "command.body is not null");
+
+        Assertions.assertNotNull(this.command.getHead(), "command.head is null");
+        Assertions.assertEquals(this.command.getHead(), Head.JSON, "command.head is not JSON");
+    }
+}