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/*-
* ============LICENSE_START==========================================
* OPENECOMP - DCAE
* ===================================================================
* Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
* 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.
* ============LICENSE_END============================================
*/
package org.openecomp.ncomp.utils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetAddress;
import java.net.URL;
import java.util.Properties;
import org.apache.log4j.Logger;
public class PropertyUtil {
public static final Logger logger = Logger.getLogger(PropertyUtil.class);
static public Properties getPropertiesFromClasspath(String propFileName) throws IOException {
Properties props = new Properties();
if (propFileName == null) return props;
InputStream inputStream = null;
File f = new File(propFileName);
if (f.isAbsolute()) {
logger.info("Loading absolute " + f);
inputStream = new FileInputStream(f);
} else {
// loading xmlProfileGen.properties from the classpath
URL url = PropertyUtil.class.getClassLoader().getResource(propFileName);
if (url == null) {
throw new FileNotFoundException("property file '" + propFileName + "' not found in the classpath (null url)");
}
logger.info("Loading " + url);
inputStream = PropertyUtil.class.getClassLoader().getResourceAsStream(propFileName);
if (inputStream == null) {
throw new FileNotFoundException("property file '" + propFileName + "' not found in the classpath");
}
}
try {
props.load(inputStream);
} catch (Exception e) {
e.printStackTrace();
throw e;
} finally {
if (inputStream != null)
inputStream.close();
}
for (Object k : System.getProperties().keySet()) {
Object v = props.get(p(k));
if (v != null) {
logger.info("Overwriting property from system property: " + p(k) + " = " + p(v));
}
props.put(k, System.getProperties().get(k));
}
String hostname = SecurityUtils.getHostName();
props.put("user.hostname", hostname);
return props;
}
private static String p(Object v) {
return SecurityUtils.logForcingProtection(v);
}
}
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