Java tutorial
/* * * * (C) Copyright 2013 Pier-Luc Caron St-Pierre * * * * 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 pl.tools; import com.google.common.base.Preconditions; import java.net.MalformedURLException; import java.net.URL; /** * @author Pier-Luc Caron St-Pierre <pierluc.caronstpierre@gmail.com> */ public class UrlBuilder { public static URL from(String arg) { Preconditions.checkNotNull(arg); try { return new URL(arg); } catch (MalformedURLException e) { throw new IllegalArgumentException("Invalid url specified: " + arg, e); } } }