[13231] | 1 | /*
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| 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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| 3 | *
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| 4 | * Copyright (c) 2012-2017 Oracle and/or its affiliates. All rights reserved.
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| 5 | *
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| 6 | * The contents of this file are subject to the terms of either the GNU
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| 7 | * General Public License Version 2 only ("GPL") or the Common Development
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| 8 | * and Distribution License("CDDL") (collectively, the "License"). You
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| 9 | * may not use this file except in compliance with the License. You can
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| 10 | * obtain a copy of the License at
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| 11 | * https://oss.oracle.com/licenses/CDDL+GPL-1.1
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| 12 | * or LICENSE.txt. See the License for the specific
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| 13 | * language governing permissions and limitations under the License.
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| 14 | *
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| 15 | * When distributing the software, include this License Header Notice in each
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| 16 | * file and include the License file at LICENSE.txt.
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| 17 | *
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| 18 | * GPL Classpath Exception:
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| 19 | * Oracle designates this particular file as subject to the "Classpath"
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| 20 | * exception as provided by Oracle in the GPL Version 2 section of the License
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| 21 | * file that accompanied this code.
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| 22 | *
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| 23 | * Modifications:
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| 24 | * If applicable, add the following below the License Header, with the fields
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| 25 | * enclosed by brackets [] replaced by your own identifying information:
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| 26 | * "Portions Copyright [year] [name of copyright owner]"
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| 27 | *
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| 28 | * Contributor(s):
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| 29 | * If you wish your version of this file to be governed by only the CDDL or
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| 30 | * only the GPL Version 2, indicate your decision by adding "[Contributor]
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| 31 | * elects to include this software in this distribution under the [CDDL or GPL
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| 32 | * Version 2] license." If you don't indicate a single choice of license, a
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| 33 | * recipient has the option to distribute your version of this file under
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| 34 | * either the CDDL, the GPL Version 2 or to extend the choice of license to
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| 35 | * its licensees as provided above. However, if you add GPL Version 2 code
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| 36 | * and therefore, elected the GPL Version 2 license, then the option applies
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| 37 | * only if the new code is made subject to such option by the copyright
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| 38 | * holder.
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| 39 | */
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| 40 |
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| 41 | package org.glassfish.json;
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| 42 |
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| 43 | import org.glassfish.json.api.BufferPool;
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| 44 |
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| 45 | import javax.json.*;
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| 46 | import java.io.StringWriter;
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| 47 | import java.math.BigDecimal;
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| 48 | import java.math.BigInteger;
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| 49 | import java.util.AbstractList;
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| 50 | import java.util.ArrayList;
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| 51 | import java.util.Collection;
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| 52 | import java.util.Collections;
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| 53 | import java.util.List;
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| 54 | import java.util.Optional;
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| 55 |
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| 56 | /**
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| 57 | * JsonArrayBuilder implementation
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| 58 | *
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| 59 | * @author Jitendra Kotamraju
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| 60 | * @author Kin-man Chung
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| 61 | */
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| 62 |
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| 63 | class JsonArrayBuilderImpl implements JsonArrayBuilder {
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| 64 | private ArrayList<JsonValue> valueList;
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| 65 | private final BufferPool bufferPool;
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| 66 |
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| 67 | JsonArrayBuilderImpl(BufferPool bufferPool) {
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| 68 | this.bufferPool = bufferPool;
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| 69 | }
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| 70 |
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| 71 | JsonArrayBuilderImpl(JsonArray array, BufferPool bufferPool) {
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| 72 | this.bufferPool = bufferPool;
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| 73 | valueList = new ArrayList<>();
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| 74 | valueList.addAll(array);
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| 75 | }
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| 76 |
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| 77 | JsonArrayBuilderImpl(Collection<?> collection, BufferPool bufferPool) {
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| 78 | this.bufferPool = bufferPool;
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| 79 | valueList = new ArrayList<>();
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| 80 | populate(collection);
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| 81 | }
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| 82 |
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| 83 | @Override
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| 84 | public JsonArrayBuilder add(JsonValue value) {
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| 85 | validateValue(value);
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| 86 | addValueList(value);
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| 87 | return this;
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| 88 | }
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| 89 |
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| 90 | @Override
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| 91 | public JsonArrayBuilder add(String value) {
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| 92 | validateValue(value);
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| 93 | addValueList(new JsonStringImpl(value));
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| 94 | return this;
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| 95 | }
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| 96 |
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| 97 | @Override
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| 98 | public JsonArrayBuilder add(BigDecimal value) {
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| 99 | validateValue(value);
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| 100 | addValueList(JsonNumberImpl.getJsonNumber(value));
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| 101 | return this;
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| 102 | }
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| 103 |
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| 104 | @Override
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| 105 | public JsonArrayBuilder add(BigInteger value) {
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| 106 | validateValue(value);
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| 107 | addValueList(JsonNumberImpl.getJsonNumber(value));
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| 108 | return this;
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| 109 | }
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| 110 |
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| 111 | @Override
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| 112 | public JsonArrayBuilder add(int value) {
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| 113 | addValueList(JsonNumberImpl.getJsonNumber(value));
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| 114 | return this;
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| 115 | }
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| 116 |
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| 117 | @Override
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| 118 | public JsonArrayBuilder add(long value) {
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| 119 | addValueList(JsonNumberImpl.getJsonNumber(value));
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| 120 | return this;
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| 121 | }
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| 122 |
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| 123 | @Override
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| 124 | public JsonArrayBuilder add(double value) {
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| 125 | addValueList(JsonNumberImpl.getJsonNumber(value));
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| 126 | return this;
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| 127 | }
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| 128 |
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| 129 | @Override
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| 130 | public JsonArrayBuilder add(boolean value) {
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| 131 | addValueList(value ? JsonValue.TRUE : JsonValue.FALSE);
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| 132 | return this;
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| 133 | }
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| 134 |
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| 135 | @Override
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| 136 | public JsonArrayBuilder addNull() {
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| 137 | addValueList(JsonValue.NULL);
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| 138 | return this;
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| 139 | }
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| 140 |
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| 141 | @Override
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| 142 | public JsonArrayBuilder add(JsonObjectBuilder builder) {
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| 143 | if (builder == null) {
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| 144 | throw new NullPointerException(JsonMessages.ARRBUILDER_OBJECT_BUILDER_NULL());
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| 145 | }
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| 146 | addValueList(builder.build());
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| 147 | return this;
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| 148 | }
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| 149 |
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| 150 | @Override
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| 151 | public JsonArrayBuilder add(JsonArrayBuilder builder) {
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| 152 | if (builder == null) {
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| 153 | throw new NullPointerException(JsonMessages.ARRBUILDER_ARRAY_BUILDER_NULL());
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| 154 | }
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| 155 | addValueList(builder.build());
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| 156 | return this;
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| 157 | }
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| 158 |
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| 159 | @Override
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| 160 | public JsonArrayBuilder addAll(JsonArrayBuilder builder) {
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| 161 | if (builder == null) {
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| 162 | throw new NullPointerException(JsonMessages.ARRBUILDER_ARRAY_BUILDER_NULL());
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| 163 | }
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| 164 | if (valueList == null) {
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| 165 | valueList = new ArrayList<>();
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| 166 | }
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| 167 | valueList.addAll(builder.build());
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| 168 | return this;
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| 169 | }
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| 170 |
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| 171 | @Override
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| 172 | public JsonArrayBuilder add(int index, JsonValue value) {
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| 173 | validateValue(value);
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| 174 | addValueList(index, value);
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| 175 | return this;
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| 176 | }
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| 177 |
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| 178 | @Override
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| 179 | public JsonArrayBuilder add(int index, String value) {
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| 180 | validateValue(value);
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| 181 | addValueList(index, new JsonStringImpl(value));
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| 182 | return this;
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| 183 | }
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| 184 |
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| 185 | @Override
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| 186 | public JsonArrayBuilder add(int index, BigDecimal value) {
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| 187 | validateValue(value);
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| 188 | addValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 189 | return this;
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| 190 | }
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| 191 |
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| 192 | @Override
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| 193 | public JsonArrayBuilder add(int index, BigInteger value) {
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| 194 | validateValue(value);
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| 195 | addValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 196 | return this;
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| 197 | }
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| 198 |
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| 199 | @Override
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| 200 | public JsonArrayBuilder add(int index, int value) {
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| 201 | addValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 202 | return this;
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| 203 | }
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| 204 |
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| 205 | @Override
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| 206 | public JsonArrayBuilder add(int index, long value) {
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| 207 | addValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 208 | return this;
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| 209 | }
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| 210 |
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| 211 | @Override
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| 212 | public JsonArrayBuilder add(int index, double value) {
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| 213 | addValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 214 | return this;
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| 215 | }
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| 216 |
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| 217 | @Override
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| 218 | public JsonArrayBuilder add(int index, boolean value) {
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| 219 | addValueList(index, value ? JsonValue.TRUE : JsonValue.FALSE);
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| 220 | return this;
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| 221 | }
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| 222 |
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| 223 | @Override
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| 224 | public JsonArrayBuilder addNull(int index) {
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| 225 | addValueList(index, JsonValue.NULL);
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| 226 | return this;
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| 227 | }
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| 228 |
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| 229 | @Override
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| 230 | public JsonArrayBuilder add(int index, JsonObjectBuilder builder) {
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| 231 | if (builder == null) {
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| 232 | throw new NullPointerException(JsonMessages.ARRBUILDER_OBJECT_BUILDER_NULL());
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| 233 | }
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| 234 | addValueList(index, builder.build());
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| 235 | return this;
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| 236 | }
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| 237 |
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| 238 | @Override
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| 239 | public JsonArrayBuilder add(int index, JsonArrayBuilder builder) {
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| 240 | if (builder == null) {
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| 241 | throw new NullPointerException(JsonMessages.ARRBUILDER_OBJECT_BUILDER_NULL());
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| 242 | }
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| 243 | addValueList(index, builder.build());
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| 244 | return this;
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| 245 | }
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| 246 |
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| 247 | @Override
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| 248 | public JsonArrayBuilder set(int index, JsonValue value) {
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| 249 | validateValue(value);
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| 250 | setValueList(index, value);
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| 251 | return this;
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| 252 | }
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| 253 |
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| 254 | @Override
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| 255 | public JsonArrayBuilder set(int index, String value) {
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| 256 | validateValue(value);
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| 257 | setValueList(index, new JsonStringImpl(value));
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| 258 | return this;
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| 259 | }
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| 260 |
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| 261 | @Override
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| 262 | public JsonArrayBuilder set(int index, BigDecimal value) {
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| 263 | validateValue(value);
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| 264 | setValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 265 | return this;
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| 266 | }
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| 267 |
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| 268 | @Override
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| 269 | public JsonArrayBuilder set(int index, BigInteger value) {
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| 270 | validateValue(value);
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| 271 | setValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 272 | return this;
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| 273 | }
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| 274 |
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| 275 | @Override
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| 276 | public JsonArrayBuilder set(int index, int value) {
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| 277 | setValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 278 | return this;
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| 279 | }
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| 280 |
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| 281 | @Override
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| 282 | public JsonArrayBuilder set(int index, long value) {
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| 283 | setValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 284 | return this;
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| 285 | }
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| 286 |
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| 287 | @Override
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| 288 | public JsonArrayBuilder set(int index, double value) {
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| 289 | setValueList(index, JsonNumberImpl.getJsonNumber(value));
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| 290 | return this;
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| 291 | }
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| 292 |
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| 293 | @Override
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| 294 | public JsonArrayBuilder set(int index, boolean value) {
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| 295 | setValueList(index, value ? JsonValue.TRUE : JsonValue.FALSE);
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| 296 | return this;
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| 297 | }
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| 298 |
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| 299 | @Override
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| 300 | public JsonArrayBuilder setNull(int index) {
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| 301 | setValueList(index, JsonValue.NULL);
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| 302 | return this;
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| 303 | }
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| 304 |
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| 305 | @Override
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| 306 | public JsonArrayBuilder set(int index, JsonObjectBuilder builder) {
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| 307 | if (builder == null) {
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| 308 | throw new NullPointerException(JsonMessages.ARRBUILDER_OBJECT_BUILDER_NULL());
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| 309 | }
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| 310 | setValueList(index, builder.build());
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| 311 | return this;
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| 312 | }
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| 313 |
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| 314 | @Override
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| 315 | public JsonArrayBuilder set(int index, JsonArrayBuilder builder) {
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| 316 | if (builder == null) {
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| 317 | throw new NullPointerException(JsonMessages.ARRBUILDER_OBJECT_BUILDER_NULL());
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| 318 | }
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| 319 | setValueList(index, builder.build());
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| 320 | return this;
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| 321 | }
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| 322 |
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| 323 | @Override
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| 324 | public JsonArrayBuilder remove(int index) {
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| 325 | if (valueList == null) {
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| 326 | throw new IndexOutOfBoundsException(JsonMessages.ARRBUILDER_VALUELIST_NULL(index, 0));
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| 327 | }
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| 328 | valueList.remove(index);
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| 329 | return this;
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| 330 | }
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| 331 |
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| 332 | @Override
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| 333 | public JsonArray build() {
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| 334 | List<JsonValue> snapshot;
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| 335 | if (valueList == null) {
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| 336 | snapshot = Collections.emptyList();
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| 337 | } else {
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| 338 | // Should we trim to minimize storage ?
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| 339 | // valueList.trimToSize();
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| 340 | snapshot = Collections.unmodifiableList(valueList);
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| 341 | }
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| 342 | valueList = null;
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| 343 | return new JsonArrayImpl(snapshot, bufferPool);
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| 344 | }
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| 345 |
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| 346 | private void populate(Collection<?> collection) {
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| 347 | for (Object value : collection) {
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| 348 | if (value != null && value instanceof Optional) {
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| 349 | ((Optional<?>) value).ifPresent(v ->
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| 350 | this.valueList.add(MapUtil.handle(v, bufferPool)));
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| 351 | } else {
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| 352 | this.valueList.add(MapUtil.handle(value, bufferPool));
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| 353 | }
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| 354 | }
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| 355 | }
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| 356 |
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| 357 | private void addValueList(JsonValue value) {
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| 358 | if (valueList == null) {
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| 359 | valueList = new ArrayList<>();
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| 360 | }
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| 361 | valueList.add(value);
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| 362 | }
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| 363 |
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| 364 | private void addValueList(int index, JsonValue value) {
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| 365 | if (valueList == null) {
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| 366 | valueList = new ArrayList<>();
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| 367 | }
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| 368 | valueList.add(index, value);
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| 369 | }
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| 370 |
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| 371 | private void setValueList(int index, JsonValue value) {
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| 372 | if (valueList == null) {
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| 373 | throw new IndexOutOfBoundsException(JsonMessages.ARRBUILDER_VALUELIST_NULL(index, 0));
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| 374 | }
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| 375 | valueList.set(index, value);
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| 376 | }
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| 377 |
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| 378 | private void validateValue(Object value) {
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| 379 | if (value == null) {
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| 380 | throw new NullPointerException(JsonMessages.ARRBUILDER_VALUE_NULL());
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| 381 | }
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| 382 | }
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| 383 |
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| 384 | private static final class JsonArrayImpl extends AbstractList<JsonValue> implements JsonArray {
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| 385 | private final List<JsonValue> valueList; // Unmodifiable
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| 386 | private final BufferPool bufferPool;
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| 387 |
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| 388 | JsonArrayImpl(List<JsonValue> valueList, BufferPool bufferPool) {
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| 389 | this.valueList = valueList;
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| 390 | this.bufferPool = bufferPool;
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| 391 | }
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| 392 |
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| 393 | @Override
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| 394 | public int size() {
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| 395 | return valueList.size();
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| 396 | }
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| 397 |
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| 398 | @Override
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| 399 | public JsonObject getJsonObject(int index) {
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| 400 | return (JsonObject)valueList.get(index);
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| 401 | }
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| 402 |
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| 403 | @Override
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| 404 | public JsonArray getJsonArray(int index) {
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| 405 | return (JsonArray)valueList.get(index);
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| 406 | }
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| 407 |
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| 408 | @Override
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| 409 | public JsonNumber getJsonNumber(int index) {
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| 410 | return (JsonNumber)valueList.get(index);
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| 411 | }
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| 412 |
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| 413 | @Override
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| 414 | public JsonString getJsonString(int index) {
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| 415 | return (JsonString)valueList.get(index);
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| 416 | }
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| 417 |
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| 418 | @Override
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| 419 | @SuppressWarnings("unchecked")
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| 420 | public <T extends JsonValue> List<T> getValuesAs(Class<T> clazz) {
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| 421 | return (List<T>)valueList;
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| 422 | }
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| 423 |
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| 424 | @Override
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| 425 | public String getString(int index) {
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| 426 | return getJsonString(index).getString();
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| 427 | }
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| 428 |
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| 429 | @Override
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| 430 | public String getString(int index, String defaultValue) {
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| 431 | try {
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| 432 | return getString(index);
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| 433 | } catch (Exception e) {
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| 434 | return defaultValue;
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| 435 | }
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| 436 | }
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| 437 |
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| 438 | @Override
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| 439 | public int getInt(int index) {
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| 440 | return getJsonNumber(index).intValue();
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| 441 | }
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| 442 |
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| 443 | @Override
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| 444 | public int getInt(int index, int defaultValue) {
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| 445 | try {
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| 446 | return getInt(index);
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| 447 | } catch (Exception e) {
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| 448 | return defaultValue;
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| 449 | }
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| 450 | }
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| 451 |
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| 452 | @Override
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| 453 | public boolean getBoolean(int index) {
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| 454 | JsonValue jsonValue = get(index);
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| 455 | if (jsonValue == JsonValue.TRUE) {
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| 456 | return true;
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| 457 | } else if (jsonValue == JsonValue.FALSE) {
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| 458 | return false;
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| 459 | } else {
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| 460 | throw new ClassCastException();
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| 461 | }
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| 462 | }
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| 463 |
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| 464 | @Override
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| 465 | public boolean getBoolean(int index, boolean defaultValue) {
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| 466 | try {
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| 467 | return getBoolean(index);
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| 468 | } catch (Exception e) {
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| 469 | return defaultValue;
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| 470 | }
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| 471 | }
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| 472 |
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| 473 | @Override
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| 474 | public boolean isNull(int index) {
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| 475 | return valueList.get(index).equals(JsonValue.NULL);
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| 476 | }
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| 477 |
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| 478 | @Override
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| 479 | public ValueType getValueType() {
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| 480 | return ValueType.ARRAY;
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| 481 | }
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| 482 |
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| 483 | @Override
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| 484 | public JsonValue get(int index) {
|
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| 485 | return valueList.get(index);
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| 486 | }
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| 487 |
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| 488 | @Override
|
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| 489 | public String toString() {
|
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| 490 | StringWriter sw = new StringWriter();
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| 491 | try (JsonWriter jw = new JsonWriterImpl(sw, bufferPool)) {
|
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| 492 | jw.write(this);
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| 493 | }
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| 494 | return sw.toString();
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| 495 | }
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| 496 |
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| 497 | @Override
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| 498 | public JsonArray asJsonArray() {
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| 499 | return this;
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| 500 | }
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| 501 | }
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| 502 | }
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| 503 |
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