/*
* Copyright (c) 2014-2015 Janith Bandara, This source is a part of
* Audit4j - An open source auditing framework.
* http://audit4j.org
*
* 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.audit4j.handler.db;
/**
* The Class Utils.
*
* @author <a href="mailto:janith3000@gmail.com">Janith Bandara</a>
*/
public final class Utils {
/**
* The Constant EMBEDED_DB_NAME.
*/
static final String EMBEDED_DB_NAME = "audit4j";
/**
* The Constant EMBEDED_DB_USER.
*/
static final String EMBEDED_DB_USER = "audit4jdbuser";
/**
* The Constant EMBEDED_DB_PASSWORD.
*/
static final String EMBEDED_DB_PASSWORD = "audit4jdbpassword";
private Utils() {
throw new UnsupportedOperationException();
}
/**
* Gets the dB name.
*
* @param userName the user name
* @return the dB name
*/
public static String getDBName(String userName) {
StringBuilder buffer = new StringBuilder();
buffer.append(EMBEDED_DB_NAME);
buffer.append("@");
buffer.append(userName);
return buffer.toString();
}
/**
* Throws a NullPointerException if given parameter is <code>null</code>
*
* @param t the parameter to check
* @return the provided parameter
*/
public static <T> T checkNotNull(T t) {
if (t == null) {
throw new NullPointerException();
}
return t;
}
/**
* Throws a IllegalArgumentException if given String is empty
*
* @param str the parameter to check
* @param message the parameter to check
* @return the provided parameter
*/
public static String checkNotEmpty(String str, String message) {
if (checkNotNull(str).isEmpty()) {
throw new IllegalArgumentException(message);
}
return str;
}
}