Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 91 insertions, 0 deletions

diff --git a/qpid/java/broker-plugins/experimental/info/src/main/java/org/apache/qpid/info/SystemInfo.java b/qpid/java/broker-plugins/experimental/info/src/main/java/org/apache/qpid/info/SystemInfo.java
new file mode 100644
index 0000000000..8bd94fe14d
--- /dev/null
+++ b/qpid/java/broker-plugins/experimental/info/src/main/java/org/apache/qpid/info/SystemInfo.java
@@ -0,0 +1,91 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+package org.apache.qpid.info;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.TreeMap;
+import java.util.Map.Entry;
+
+/**
+ * Collector for system specific information
+ */
+public class SystemInfo
+{
+
+    private static Map<String, String> sysInfoMap = new TreeMap<String, String>();
+
+    private static final List<String> sysProps = Arrays.asList(
+            "java.class.path", "java.home", "java.vm.name", "java.vm.vendor",
+            "java.vm.version", "java.class.version", "java.runtime.version",
+            "os.arch", "os.name", "os.version", "sun.arch.data.model",
+            "user.home", "user.dir", "user.name", "user.timezone");
+
+    /**
+     * getInfo collects all the properties specified in sysprops list
+     * @return A Map<String,String>
+     */
+    public static Map<String, String> getInfo()
+    {
+
+        // Get the hostname
+        try
+        {
+            InetAddress addr = InetAddress.getLocalHost();
+            String hostname = addr.getHostName();
+            sysInfoMap.put("hostname", hostname);
+            sysInfoMap.put("ip", addr.getHostAddress());
+        }
+        catch (UnknownHostException e)
+        {
+            // drop everything to be silent
+        }
+        // Get the runtime info
+        sysInfoMap.put("CPUCores", Runtime.getRuntime().availableProcessors()
+                + "");
+        sysInfoMap.put("Maximum_Memory", Runtime.getRuntime().maxMemory() + "");
+        sysInfoMap.put("Free_Memory", Runtime.getRuntime().freeMemory() + "");
+
+        // Gather the selected system props
+        Properties sysprops = System.getProperties();
+        String propName;
+        for (Iterator<Entry<Object, Object>> it = sysprops.entrySet()
+                .iterator(); it.hasNext();)
+        {
+            Entry<Object, Object> en = it.next();
+            propName = en.getKey().toString();
+            if (sysProps.indexOf(propName) >= 0)
+            {
+                sysInfoMap.put(propName, en.getValue().toString());
+            }
+        }
+
+        return sysInfoMap;
+
+    }
+
+}