1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 package com.google.protobuf.util; 32 33 import com.google.protobuf.Struct; 34 import com.google.protobuf.Value; 35 36 /** Utilities to help create {@code google.protobuf.Struct} messages. */ 37 public final class Structs { 38 39 /** 40 * Returns a struct containing the key-value pair. 41 */ of(String k1, Value v1)42 public static Struct of(String k1, Value v1) { 43 return Struct.newBuilder().putFields(k1, v1).build(); 44 } 45 46 /** 47 * Returns a struct containing each of the key-value pairs. 48 * 49 * <p>Providing duplicate keys is undefined behavior. 50 */ of(String k1, Value v1, String k2, Value v2)51 public static Struct of(String k1, Value v1, String k2, Value v2) { 52 return Struct.newBuilder().putFields(k1, v1).putFields(k2, v2).build(); 53 } 54 55 /** 56 * Returns a struct containing each of the key-value pairs. 57 * 58 * <p>Providing duplicate keys is undefined behavior. 59 */ of(String k1, Value v1, String k2, Value v2, String k3, Value v3)60 public static Struct of(String k1, Value v1, String k2, Value v2, String k3, Value v3) { 61 return Struct.newBuilder().putFields(k1, v1).putFields(k2, v2).putFields(k3, v3).build(); 62 } 63 Structs()64 private Structs() {} 65 } 66