From ec23b663697b7e1076ad9042c6cdf93356a60788 Mon Sep 17 00:00:00 2001
From: Olivier Lamy <olamy@apache.org>
Date: Mon, 12 Mar 2012 10:58:48 +0000
Subject: [PATCH] [MRM-1580] system status page display memory usage. missed to
 add new classes

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1299621 13f79535-47bb-0310-9956-ffa450edef68
---
 .../api/services/SystemStatusService.java     | 43 +++++++++++++++++
 .../services/DefaultSystemStatusService.java  | 48 +++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 archiva-modules/archiva-web/archiva-rest/archiva-rest-api/src/main/java/org/apache/archiva/rest/api/services/SystemStatusService.java
 create mode 100644 archiva-modules/archiva-web/archiva-rest/archiva-rest-services/src/main/java/org/apache/archiva/rest/services/DefaultSystemStatusService.java

diff --git a/archiva-modules/archiva-web/archiva-rest/archiva-rest-api/src/main/java/org/apache/archiva/rest/api/services/SystemStatusService.java b/archiva-modules/archiva-web/archiva-rest/archiva-rest-api/src/main/java/org/apache/archiva/rest/api/services/SystemStatusService.java
new file mode 100644
index 000000000..6942d69a2
--- /dev/null
+++ b/archiva-modules/archiva-web/archiva-rest/archiva-rest-api/src/main/java/org/apache/archiva/rest/api/services/SystemStatusService.java
@@ -0,0 +1,43 @@
+package org.apache.archiva.rest.api.services;
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+import org.apache.archiva.security.common.ArchivaRoleConstants;
+import org.codehaus.plexus.redback.authorization.RedbackAuthorization;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+
+/**
+ * @author Olivier Lamy
+ * @since 1.4-M3
+ */
+@Path( "/systemStatusService/" )
+public interface SystemStatusService
+{
+    @Path( "memoryStatus" )
+    @GET
+    @Produces( MediaType.TEXT_PLAIN )
+    @RedbackAuthorization( permissions = ArchivaRoleConstants.OPERATION_MANAGE_CONFIGURATION )
+    String getMemoryStatus()
+        throws ArchivaRestServiceException;
+
+}
diff --git a/archiva-modules/archiva-web/archiva-rest/archiva-rest-services/src/main/java/org/apache/archiva/rest/services/DefaultSystemStatusService.java b/archiva-modules/archiva-web/archiva-rest/archiva-rest-services/src/main/java/org/apache/archiva/rest/services/DefaultSystemStatusService.java
new file mode 100644
index 000000000..27e70439f
--- /dev/null
+++ b/archiva-modules/archiva-web/archiva-rest/archiva-rest-services/src/main/java/org/apache/archiva/rest/services/DefaultSystemStatusService.java
@@ -0,0 +1,48 @@
+package org.apache.archiva.rest.services;
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+import org.apache.archiva.rest.api.services.ArchivaRestServiceException;
+import org.apache.archiva.rest.api.services.SystemStatusService;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author Olivier Lamy
+ * @since 1.4-M3
+ */
+@Service("systemStatusService#rest")
+public class DefaultSystemStatusService
+    implements SystemStatusService
+{
+    public String getMemoryStatus()
+        throws ArchivaRestServiceException
+    {
+        Runtime runtime = Runtime.getRuntime();
+        runtime.gc();
+        long total = runtime.totalMemory();
+        long used = total - runtime.freeMemory();
+        long max = runtime.maxMemory();
+        return formatMemory( used ) + "/" + formatMemory( total ) + " (Max: " + formatMemory( max ) + ")";
+    }
+
+    private static String formatMemory( long l )
+    {
+        return l / ( 1024 * 1024 ) + "M";
+    }
+}
-- 
2.39.5