diff options
Diffstat (limited to 'qpid/java/broker-plugins/experimental/info/src/main/java/org/apache/qpid/info/SystemInfo.java')
-rw-r--r-- | qpid/java/broker-plugins/experimental/info/src/main/java/org/apache/qpid/info/SystemInfo.java | 91 |
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; + + } + +} |