| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| JacksonResponse |
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| 1.6666666666666667;1.667 | ||||
| JacksonResponse$JsonReader |
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| 1.6666666666666667;1.667 |
| 1 | /** | |
| 2 | * Copyright (c) 2011-2017, jcabi.com | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: 1) Redistributions of source code must retain the above | |
| 8 | * copyright notice, this list of conditions and the following | |
| 9 | * disclaimer. 2) Redistributions in binary form must reproduce the above | |
| 10 | * copyright notice, this list of conditions and the following | |
| 11 | * disclaimer in the documentation and/or other materials provided | |
| 12 | * with the distribution. 3) Neither the name of the jcabi.com nor | |
| 13 | * the names of its contributors may be used to endorse or promote | |
| 14 | * products derived from this software without specific prior written | |
| 15 | * permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT | |
| 19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
| 21 | * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | */ | |
| 30 | package com.jcabi.http.response; | |
| 31 | ||
| 32 | import com.fasterxml.jackson.core.JsonParser; | |
| 33 | import com.fasterxml.jackson.databind.JsonNode; | |
| 34 | import com.fasterxml.jackson.databind.ObjectMapper; | |
| 35 | import com.fasterxml.jackson.databind.node.ArrayNode; | |
| 36 | import com.fasterxml.jackson.databind.node.ObjectNode; | |
| 37 | import com.jcabi.aspects.Immutable; | |
| 38 | import com.jcabi.http.Response; | |
| 39 | import java.io.IOException; | |
| 40 | import java.util.Arrays; | |
| 41 | import lombok.EqualsAndHashCode; | |
| 42 | ||
| 43 | /** | |
| 44 | * A JSON response provided by the Jackson Project. | |
| 45 | * | |
| 46 | * @author Borislav Borisov (bborisov@protonmail.com) | |
| 47 | * @version $Id: 11f1e39b806517ab0759ec2ffdb580975b3e45dc $ | |
| 48 | * @since 1.17 | |
| 49 | */ | |
| 50 | 0 | @Immutable |
| 51 | 0 | @EqualsAndHashCode(callSuper = true) |
| 52 | public final class JacksonResponse extends AbstractResponse { | |
| 53 | /** | |
| 54 | * Ctor. | |
| 55 | * | |
| 56 | * @param resp Response | |
| 57 | */ | |
| 58 | public JacksonResponse(final Response resp) { | |
| 59 | 9 | super(resp); |
| 60 | 8 | } |
| 61 | ||
| 62 | /** | |
| 63 | * Read the body as JSON. | |
| 64 | * | |
| 65 | * @return JSON reader. | |
| 66 | */ | |
| 67 | public JsonReader json() { | |
| 68 | 10 | return new JsonReader( |
| 69 | this.binary() | |
| 70 | ); | |
| 71 | } | |
| 72 | ||
| 73 | /** | |
| 74 | * A tree representation views of JSON documents. | |
| 75 | */ | |
| 76 | public static final class JsonReader { | |
| 77 | /** | |
| 78 | * Jackson's ObjectMapper. Allow unquoted control characters when | |
| 79 | * parsing by default. | |
| 80 | */ | |
| 81 | 1 | private static final ObjectMapper MAPPER = new ObjectMapper() |
| 82 | .configure(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true); | |
| 83 | ||
| 84 | /** | |
| 85 | * Response body. | |
| 86 | */ | |
| 87 | private final transient byte[] body; | |
| 88 | ||
| 89 | /** | |
| 90 | * Public constructor. | |
| 91 | * | |
| 92 | * @param bytes The HTTP response body as an array of bytes. | |
| 93 | */ | |
| 94 | 10 | public JsonReader(final byte[] bytes) { |
| 95 | 10 | this.body = Arrays.copyOf(bytes, bytes.length); |
| 96 | 10 | } |
| 97 | ||
| 98 | /** | |
| 99 | * Returns a mutable JSON array node, if the parsed JSON is a valid | |
| 100 | * array. | |
| 101 | * | |
| 102 | * @return JSON array node. | |
| 103 | * @throws IOException If the body is not a valid JSON or JSON array. | |
| 104 | */ | |
| 105 | public ArrayNode readArray() throws IOException { | |
| 106 | 3 | final JsonNode node = this.read(); |
| 107 | 2 | if (!node.isArray()) { |
| 108 | 1 | throw new IOException( |
| 109 | "Cannot read as an array. The JSON is not a valid array." | |
| 110 | ); | |
| 111 | } | |
| 112 | 1 | return (ArrayNode) node; |
| 113 | } | |
| 114 | ||
| 115 | /** | |
| 116 | * Returns a mutable JSON object node, if the parsed JSON is a valid | |
| 117 | * object. | |
| 118 | * | |
| 119 | * @return JSON object node. | |
| 120 | * @throws IOException If the body is not a valid JSON or JSON object. | |
| 121 | */ | |
| 122 | public ObjectNode readObject() throws IOException { | |
| 123 | 4 | final JsonNode node = this.read(); |
| 124 | 3 | if (!node.isObject()) { |
| 125 | 1 | throw new IOException( |
| 126 | "Cannot read as an object. The JSON is not a valid object." | |
| 127 | ); | |
| 128 | } | |
| 129 | 2 | return (ObjectNode) node; |
| 130 | } | |
| 131 | ||
| 132 | /** | |
| 133 | * Returns an immutable JSON node. | |
| 134 | * | |
| 135 | * @return JSON node. | |
| 136 | * @throws IOException If the body is not a valid JSON. | |
| 137 | */ | |
| 138 | public JsonNode read() throws IOException { | |
| 139 | 10 | return MAPPER.readTree(this.body); |
| 140 | } | |
| 141 | } | |
| 142 | } |