Here you can find the source of assertArgNotEmptyString(String value, String argName)
public static void assertArgNotEmptyString(String value, String argName)
//package com.java2s; /**//from ww w . j ava 2 s . c o m * Copyright 2015-2016 Maven Source Dependencies * Plugin contributors as indicated by the @author tags. * * 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. */ public class Main { public static void assertArgNotEmptyString(String value, String argName) { if (value.isEmpty()) { throw new IllegalArgumentException(String.format( "Argument [%s] cannot be an empty String", argName)); } } }