com.stackify.api.common.EnvironmentDetails Maven / Gradle / Ivy
/*
* Copyright 2013 Stackify
*
* 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.
*/
package com.stackify.api.common;
import java.net.InetAddress;
import com.stackify.api.EnvironmentDetail;
/**
* Utility class for retrieving environment details and building an EnvironmentDetail object
*
* @author Eric Martin
*/
public class EnvironmentDetails {
/**
* Creates an environment details object with system information
* @param application The configured application name
* @param environment The configured application environment
* @return The EnvironmentDetail object
*/
public static EnvironmentDetail getEnvironmentDetail(final String application, final String environment) {
// lookup the host name
String hostName = getHostName();
// lookup the current path
String currentPath = System.getProperty("user.dir");
// build the environment details
EnvironmentDetail.Builder environmentBuilder = EnvironmentDetail.newBuilder();
environmentBuilder.deviceName(hostName);
environmentBuilder.appLocation(currentPath);
environmentBuilder.configuredAppName(application);
environmentBuilder.configuredEnvironmentName(environment);
return environmentBuilder.build();
}
/**
* @return The host name
*/
private static String getHostName() {
// HOSTNAME environment variable
try {
String hostName = System.getenv("HOSTNAME");
if ((hostName != null) && (0 < hostName.length())) {
return hostName;
}
} catch (Throwable t) {
// Do nothing
}
// InetAddress.getLocalHost().getHostName()
try {
InetAddress addr = InetAddress.getLocalHost();
String hostName = addr.getHostName();
if ((hostName != null) && (0 < hostName.length())) {
return hostName;
}
} catch (Throwable t) {
// Do nothing
}
return null;
}
/**
* Hidden to prevent construction
*/
private EnvironmentDetails() {
}
}
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