Here you can find the source of toURLs(String... paths)
private static List<URL> toURLs(String... paths) throws MalformedURLException
//package com.java2s; /******************************************************************************* * Copyright 2011 Google Inc. All Rights Reserved. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * 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./*from w w w. j av a 2 s . c o m*/ *******************************************************************************/ import java.io.File; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.List; public class Main { private static List<URL> toURLs(String... paths) throws MalformedURLException { List<URL> urls = new ArrayList<URL>(paths.length); for (int i = 0; i < paths.length; ++i) { File file = new File(paths[i]); if (file.exists()) { urls.add(file.toURI().toURL()); } } return urls; } }