/**
* 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.zookeeper;
import java.net.
InetAddress;
import java.net.
UnknownHostException;
import java.util.
ArrayList;
import java.util.
List;
import org.slf4j.
Logger;
import org.slf4j.
LoggerFactory;
/**
* Provide insight into the runtime environment.
*
*/
public class
Environment {
public static final
String JAAS_CONF_KEY = "java.security.auth.login.config";
public static class
Entry {
private
String k;
private
String v;
public
Entry(
String k,
String v) {
this.
k =
k;
this.
v =
v;
}
public
String getKey() { return
k; }
public
String getValue() { return
v; }
@
Override
public
String toString() {
return
k + "=" +
v;
}
}
private static void
put(
ArrayList<
Entry>
l,
String k,
String v) {
l.
add(new
Entry(
k,
v));
}
public static
List<
Entry>
list() {
ArrayList<
Entry>
l = new
ArrayList<
Entry>();
put(
l, "zookeeper.version",
Version.
getFullVersion());
try {
put(
l, "host.name",
InetAddress.
getLocalHost().
getCanonicalHostName());
} catch (
UnknownHostException e) {
put(
l, "host.name", "<NA>");
}
put(
l, "java.version",
System.
getProperty("java.version", "<NA>"));
put(
l, "java.vendor",
System.
getProperty("java.vendor", "<NA>"));
put(
l, "java.home",
System.
getProperty("java.home", "<NA>"));
put(
l, "java.class.path",
System.
getProperty("java.class.path", "<NA>"));
put(
l, "java.library.path",
System.
getProperty("java.library.path", "<NA>"));
put(
l, "java.io.tmpdir",
System.
getProperty("java.io.tmpdir", "<NA>"));
put(
l, "java.compiler",
System.
getProperty("java.compiler", "<NA>"));
put(
l, "os.name",
System.
getProperty("os.name", "<NA>"));
put(
l, "os.arch",
System.
getProperty("os.arch", "<NA>"));
put(
l, "os.version",
System.
getProperty("os.version", "<NA>"));
put(
l, "user.name",
System.
getProperty("user.name", "<NA>"));
put(
l, "user.home",
System.
getProperty("user.home", "<NA>"));
put(
l, "user.dir",
System.
getProperty("user.dir", "<NA>"));
return
l;
}
public static void
logEnv(
String msg,
Logger log) {
List<
Entry>
env =
Environment.
list();
for (
Entry e :
env) {
log.
info(
msg +
e.
toString());
}
}
}