1 /* 2 * Copyright 2017 LINE Corporation 3 * 4 * LINE Corporation licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 /* 17 * Copyright (c) 2014, Francis Galiegue (fgaliegue@gmail.com) 18 * 19 * This software is dual-licensed under: 20 * 21 * - the Lesser General Public License (LGPL) version 3.0 or, at your option, any 22 * later version; 23 * - the Apache Software License (ASL) version 2.0. 24 * 25 * The text of this file and of both licenses is available at the root of this 26 * project or, if you have the jar distribution, in directory META-INF/, under 27 * the names LGPL-3.0.txt and ASL-2.0.txt respectively. 28 * 29 * Direct link to the sources: 30 * 31 * - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt 32 * - ASL 2.0: https://www.apache.org/licenses/LICENSE-2.0.txt 33 */ 34 35 package com.linecorp.centraldogma.internal.jsonpatch; 36 37 import com.fasterxml.jackson.annotation.JsonCreator; 38 import com.fasterxml.jackson.annotation.JsonProperty; 39 import com.fasterxml.jackson.core.JsonPointer; 40 import com.fasterxml.jackson.databind.JsonNode; 41 import com.fasterxml.jackson.databind.node.ArrayNode; 42 import com.fasterxml.jackson.databind.node.ObjectNode; 43 44 /** 45 * JSON Patch {@code replace} operation. 46 * 47 * <p>For this operation, {@code path} points to the value to replace, and 48 * {@code value} is the replacement value.</p> 49 * 50 * <p>It is an error condition if {@code path} does not point to an actual JSON 51 * value.</p> 52 */ 53 public final class ReplaceOperation extends PathValueOperation { 54 55 @JsonCreator 56 public ReplaceOperation(@JsonProperty("path") final JsonPointer path, 57 @JsonProperty("value") final JsonNode value) { 58 super("replace", path, value); 59 } 60 61 @Override 62 JsonNode apply(final JsonNode node) { 63 ensureExistence(node); 64 65 final JsonNode replacement = valueCopy(); 66 if (path.toString().isEmpty()) { 67 return replacement; 68 } 69 final JsonNode parent = node.at(path.head()); 70 final String rawToken = path.last().getMatchingProperty(); 71 if (parent.isObject()) { 72 ((ObjectNode) parent).set(rawToken, replacement); 73 } else { 74 ((ArrayNode) parent).set(Integer.parseInt(rawToken), replacement); 75 } 76 return node; 77 } 78 }