1 files changed, 63 insertions, 0 deletions
diff --git a/vid-app-common/src/main/java/org/onap/vid/controller/VersionController.java b/vid-app-common/src/main/java/org/onap/vid/controller/VersionController.java
new file mode 100644
index 000000000..ba879ed16
--- /dev/null
+++ b/vid-app-common/src/main/java/org/onap/vid/controller/VersionController.java
@@ -0,0 +1,63 @@
+package org.onap.vid.controller;
+
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.ImmutableMap;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.portalsdk.core.controller.UnRestrictedBaseController;
+import org.onap.portalsdk.core.util.SystemProperties;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.inject.Inject;
+import javax.servlet.ServletContext;
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import static org.apache.commons.lang3.StringUtils.substringAfterLast;
+
+@RestController
+@RequestMapping("version")
+public class VersionController extends UnRestrictedBaseController {
+
+    private final ServletContext servletContext;
+
+    @Inject
+    public VersionController(ServletContext servletContext) {
+        this.servletContext = servletContext;
+    }
+
+    @RequestMapping(method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
+    public Map<String,String> getVersionAndFeatures()
+    {
+        String features = SystemProperties.getProperty("features.set.filename");
+        String version;
+        try {
+            final URL resource = servletContext.getResource("/app/vid/scripts/constants/version.json");
+            HashMap<String,String> versionFile = new HashMap <>();
+            ObjectMapper mapper = new ObjectMapper();
+            versionFile.putAll(mapper.readValue(resource, new TypeReference<HashMap<String, String>>() {}));
+            version = versionFile.get("Version");
+        } catch (IOException e) {
+            version = "Error retrieving build number";
+        }
+        String majorVersion = getDisplayVersion(features, version);
+        return ImmutableMap.of("Features", features, "Build", version, "DisplayVersion", majorVersion);
+    }
+
+    String getDisplayVersion(String features, String build) {
+        Matcher matcher = Pattern.compile("([^/]+?)(\\.features|$)").matcher(features);
+        final String majorByFeatures = matcher.find() ? matcher.group(1) : features;
+
+        final String buildByVersion = StringUtils.defaultIfBlank(substringAfterLast(build, "."), build);
+
+        return StringUtils.join(majorByFeatures, ".", buildByVersion);
+    }
+}