Java tutorial
//package com.java2s; /* * Copyright (C) 2011 The Android Open Source Project * * 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 { /** * Returns a path that can be safely concatenated with {@code authority}. If * the authority is null or empty, this can be any path. Otherwise the paths * run together like {@code http://android.comindex.html}. */ public static String authoritySafePath(String authority, String path) { if (authority != null && !authority.isEmpty() && !path.isEmpty() && !path.startsWith("/")) { return "/" + path; } return path; } }