From 2fc74ac58313741dd692821b94a001b8f4dc8dd9 Mon Sep 17 00:00:00 2001
From: Kc <kc-git@loooping.de>
Date: Wed, 18 Jul 2018 23:42:40 +0200
Subject: [PATCH] Added reference to Jersey for RESTful services. Added Api
 package. Added BlocksResource as first candidate for API implementation.

---
 pom.xml                     |  5 +++++
 src/api/BlocksResource.java | 28 ++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 src/api/BlocksResource.java

diff --git a/pom.xml b/pom.xml
index bdf7f1b1..2a87677e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,5 +42,10 @@
   		<artifactId>commons-net</artifactId>
   		<version>3.3</version>
   	</dependency>
+    <dependency>
+        <groupId>org.glassfish.jersey.core</groupId>
+        <artifactId>jersey-server</artifactId>
+        <version>2.27</version>
+    </dependency>
   </dependencies>
 </project>
\ No newline at end of file
diff --git a/src/api/BlocksResource.java b/src/api/BlocksResource.java
new file mode 100644
index 00000000..0b2f0427
--- /dev/null
+++ b/src/api/BlocksResource.java
@@ -0,0 +1,28 @@
+package api;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+
+import repository.DataException;
+import repository.Repository;
+import repository.RepositoryManager;
+
+@Path("blocks")
+@Produces(MediaType.APPLICATION_JSON)
+public class BlocksResource {
+
+	@GET
+	@Path("/height")
+	public static String getHeight() 
+	{
+		try (final Repository repository = RepositoryManager.getRepository()) {
+			return String.valueOf(repository.getBlockRepository().getBlockchainHeight());
+		} catch (Exception e) {
+			throw new WebApplicationException("What happened?");
+		}
+	}
+
+}