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/*-
* ================================================================================
* eCOMP Portal SDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property
* ================================================================================
* 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.openecomp.portalsdk.core.onboarding.crossapi;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Singleton Class representing portal properties. Searches the classpath for
* the file "portal.properties".
*
* To put the file "portal.properties" on the classpath, it can be in the same
* directory where the first package folder is - 'myClasses' folder in the
* following case as an example:
*
*/
public class PortalApiProperties {
private static final Log logger = LogFactory.getLog(PortalApiProperties.class);
private static Properties properties;
private static String propertyFileName = "portal.properties";
/**
* Constructor is private.
*/
private PortalApiProperties() {
}
/**
* Gets the property value for the specified key.
*
* @param property
* @return Value for the named property; null if the property file was not
* loaded or the key was not found.
*/
public static String getProperty(String property) {
if (properties == null) {
synchronized (propertyFileName) {
try {
if (!initialize()) {
logger.error("Failed to read property file " + propertyFileName);
return null;
}
} catch (IOException e) {
logger.error("Failed to read property file " + propertyFileName, e);
return null;
}
}
}
return properties.getProperty(property);
}
/**
* Reads properties from a portal.properties file on the classpath.
*
* Clients DO NOT need to call this method. Clients MAY call this method to
* test whether the properties file can be loaded successfully.
*
* @return True if properties were successfully loaded, else false.
* @throws IOException
*/
public static boolean initialize() throws IOException {
if (properties != null)
return true;
InputStream in = PortalApiProperties.class.getClassLoader().getResourceAsStream(propertyFileName);
if (in == null)
return false;
properties = new Properties();
try {
properties.load(in);
} finally {
in.close();
}
return true;
}
}
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