Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.ranger.plugin.util; import org.apache.commons.lang.StringUtils; public class RangerServiceNotFoundException extends Exception { static private final String formatString = "\"RANGER_ERROR_SERVICE_NOT_FOUND: ServiceName=%s\""; public RangerServiceNotFoundException(String serviceName) { super(serviceName); } public static final String buildExceptionMsg(String serviceName) { return String.format(formatString, serviceName); } public static final void throwExceptionIfServiceNotFound(String serviceName, String exceptionMsg) throws RangerServiceNotFoundException { String expectedExceptionMsg = buildExceptionMsg(serviceName); if (StringUtils.startsWith(exceptionMsg, expectedExceptionMsg)) { throw new RangerServiceNotFoundException(serviceName); } } }