Incorporate the ECOMP SDC Artefact Generator code

[aai/babel.git] / src / main / java / org / onap / aai / babel / service / InfoService.java

diff --git a/src/main/java/org/onap/aai/babel/service/InfoService.java b/src/main/java/org/onap/aai/babel/service/InfoService.java
new file mode 100644 (file)
index 0000000..107c6d1
--- /dev/null
+++ b/src/main/java/org/onap/aai/babel/service/InfoService.java
@@ -0,0 +1,80 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 European Software Marketing Ltd.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.babel.service;
+
+import java.time.Clock;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.Temporal;
+import javax.ws.rs.DefaultValue;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+
+/**
+ * Information service for the micro-service. Return status details to the caller.
+ *
+ * @exclude
+ */
+@Path("/core-service")
+public class InfoService {
+
+    private Clock clock = Clock.systemDefaultZone();
+    private LocalDateTime startTime = LocalDateTime.now(clock);
+    private long infoCount = 0L;
+
+    /**
+     * @param format is an optional setting - html requests an HTML format
+     * @return a formatted status report
+     */
+    @GET
+    @Path("/info")
+    @Produces("text/plain")
+    public String getInfo(@DefaultValue("text") @QueryParam("format") String format) {
+        return "Status: Up\n" + statusReport(clock) + "\n";
+    }
+
+    /** @return a status report showing the up time for the service */
+    public String statusReport(Clock clock) {
+        Temporal reportTime = LocalDateTime.now(clock);
+        long upTime = ChronoUnit.SECONDS.between(startTime, reportTime);
+        long upTimeDays = ChronoUnit.DAYS.between(startTime, reportTime);
+
+        StringBuilder sb = new StringBuilder("Started at ");
+        sb.append(startTime).append('\n').append("Up time ");
+        if (upTimeDays > 0) {
+            sb.append(upTimeDays).append(" day");
+            if (upTimeDays > 1) {
+                sb.append("s");
+            }
+            sb.append(" ");
+        }
+        sb.append(LocalTime.MIDNIGHT.plusSeconds(upTime).format(DateTimeFormatter.ofPattern("HH:mm:ss"))).append('\n');
+
+        sb.append('\n').append("Info Service").append('\n');
+        sb.append("total=").append(++infoCount).append('\n');
+
+        return sb.toString();
+    }
+}