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/*
* Copyright 2016 Huawei Technologies Co., Ltd.
*
* 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 org.onap.vfc.nfvo.multivimproxy.common.util.restclient;
import java.io.File;
import java.io.IOException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/**
* System environment variable helper implementation.<br/>
* <p>
* </p>
*
* @author
* @version 24-Jun-2016
*/
public class SystemEnvVariablesDefImpl implements SystemEnvVariables {
private static final Logger LOG = LogManager.getLogger(SystemEnvVariablesDefImpl.class);
@Override
public String getAppRoot() {
String appRoot = null;
appRoot = System.getProperty("catalina.base");
if(appRoot != null) {
appRoot = getCanonicalPath(appRoot);
}
return appRoot;
}
/**
* Gets the canonical path<br/>
*
* @param inPath input path
* @return the canonical path.
* @since
*/
private String getCanonicalPath(final String inPath) {
String path = null;
try {
if(inPath != null) {
final File file = new File(inPath);
path = file.getCanonicalPath();
}
} catch(final IOException e) {
LOG.error("file.getCanonicalPath() IOException:", e);
}
return path;
}
}
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