| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.johnzon.core; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import jakarta.json.JsonArrayBuilder; |
| import jakarta.json.JsonException; |
| import jakarta.json.JsonObject; |
| import jakarta.json.JsonObjectBuilder; |
| import jakarta.json.JsonValue; |
| import java.io.Serializable; |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.apache.johnzon.core.util.ArrayUtil; |
| |
| class JsonObjectBuilderImpl implements JsonObjectBuilder, Serializable { |
| private RejectDuplicateKeysMode rejectDuplicateKeysMode; |
| private BufferStrategy.BufferProvider<char[]> bufferProvider; |
| private Map<String, JsonValue> attributeMap = new LinkedHashMap<>(); |
| |
| protected JsonObjectBuilderImpl() { |
| // no-op: serialization |
| } |
| |
| public JsonObjectBuilderImpl(final JsonObject initialData, |
| final BufferStrategy.BufferProvider<char[]> bufferProvider, |
| final RejectDuplicateKeysMode rejectDuplicateKeysMode) { |
| this.bufferProvider = bufferProvider; |
| this.rejectDuplicateKeysMode = rejectDuplicateKeysMode; |
| this.attributeMap = new LinkedHashMap<>(initialData); |
| } |
| |
| public JsonObjectBuilderImpl(final Map<String, Object> initialValues, |
| final BufferStrategy.BufferProvider<char[]> bufferProvider, |
| final RejectDuplicateKeysMode rejectDuplicateKeysMode) { |
| this.bufferProvider = bufferProvider; |
| this.rejectDuplicateKeysMode = rejectDuplicateKeysMode; |
| if (!initialValues.isEmpty()) { |
| for (Map.Entry<String, Object> entry : initialValues.entrySet()) { |
| add(entry.getKey(), entry.getValue()); |
| } |
| } |
| } |
| |
| |
| /** |
| * Internal method to add a value where we do not yet know the type at compile time. |
| */ |
| public void add(final String name, final Object value) { |
| if (value instanceof JsonValue) { |
| add(name, (JsonValue) value); |
| } else if (value instanceof BigDecimal) { |
| add(name, (BigDecimal) value); |
| } else if (value instanceof BigInteger) { |
| add(name, (BigInteger) value); |
| } else if (value instanceof Boolean) { |
| add(name, (boolean) value); |
| } else if (value instanceof Double) { |
| add(name, (double) value); |
| } else if (value instanceof Integer) { |
| add(name, (int) value); |
| } else if (value instanceof Long) { |
| add(name, (long) value); |
| } else if (value instanceof String) { |
| add(name, (String) value); |
| } else if (value == null) { |
| addNull(name); |
| } else if (value instanceof Map) { |
| add(name, new JsonObjectBuilderImpl(Map.class.cast(value), bufferProvider, rejectDuplicateKeysMode).build()); |
| } else if (value instanceof Collection) { |
| add(name, new JsonArrayBuilderImpl(Collection.class.cast(value), bufferProvider, rejectDuplicateKeysMode).build()); |
| } else if (value.getClass().isArray()) { |
| final Collection<Object> collection = ArrayUtil.newCollection(value); |
| add(name, new JsonArrayBuilderImpl(collection, bufferProvider, rejectDuplicateKeysMode).build()); |
| } else { |
| throw new JsonException("Illegal JSON type! name=" + name + " type=" + value.getClass()); |
| } |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final JsonValue value) { |
| putValue(name, value); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final String value) { |
| putValue(name, new JsonStringImpl(value)); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final BigInteger value) { |
| putValue(name, new JsonNumberImpl(new BigDecimal(value))); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final BigDecimal value) { |
| putValue(name, new JsonNumberImpl(value)); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final int value) { |
| putValue(name, new JsonLongImpl(value)); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final long value) { |
| putValue(name, new JsonLongImpl(value)); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final double value) { |
| putValue(name, new JsonDoubleImpl(value)); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final boolean value) { |
| putValue(name, value ? JsonValue.TRUE : JsonValue.FALSE); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder addNull(final String name) { |
| putValue(name, JsonValue.NULL); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final JsonObjectBuilder builder) { |
| putValue(name, builder.build()); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder add(final String name, final JsonArrayBuilder builder) { |
| putValue(name, builder.build()); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder addAll(JsonObjectBuilder builder) { |
| attributeMap.putAll(builder.build()); |
| return this; |
| } |
| |
| @Override |
| public JsonObjectBuilder remove(String name) { |
| attributeMap.remove(requireNonNull(name)); |
| return this; |
| } |
| |
| private void putValue(final String name, final JsonValue value){ |
| if(name == null || value == null) { |
| throw new NullPointerException("name or value/builder must not be null"); |
| } |
| rejectDuplicateKeysMode.put().put(attributeMap, name, value); |
| } |
| |
| |
| @Override |
| public JsonObject build() { |
| |
| if(attributeMap == null || attributeMap.isEmpty()) { |
| return JsonValue.EMPTY_JSON_OBJECT; |
| } else { |
| Map<String, JsonValue> dump = (Collections.unmodifiableMap(attributeMap)); |
| return new JsonObjectImpl(dump, bufferProvider); |
| } |
| } |
| } |