| /* |
| * 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.ignite.internal.processors.rest.protocols.http.jetty; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.Map; |
| import com.fasterxml.jackson.core.JsonParser; |
| import com.fasterxml.jackson.core.ObjectCodec; |
| import com.fasterxml.jackson.databind.DeserializationContext; |
| import com.fasterxml.jackson.databind.JsonDeserializer; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import org.apache.ignite.binary.BinaryObject; |
| import org.apache.ignite.binary.BinaryObjectBuilder; |
| import org.apache.ignite.internal.GridKernalContext; |
| import org.apache.ignite.internal.binary.BinaryFieldMetadata; |
| import org.apache.ignite.internal.binary.BinaryTypeImpl; |
| import org.apache.ignite.internal.binary.BinaryUtils; |
| import org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor; |
| import org.apache.ignite.internal.processors.query.QueryUtils; |
| |
| /** |
| * JSON deserializer into the Ignite binary object. |
| */ |
| public class IgniteBinaryObjectJsonDeserializer extends JsonDeserializer<BinaryObject> { |
| /** Property name to set binary type name. */ |
| public static final String BINARY_TYPE_PROPERTY = "binaryTypeName"; |
| |
| /** Property name to set cache name. */ |
| public static final String CACHE_NAME_PROPERTY = "cacheName"; |
| |
| /** Kernal context. */ |
| private final GridKernalContext ctx; |
| |
| /** |
| * @param ctx Kernal context. |
| */ |
| public IgniteBinaryObjectJsonDeserializer(GridKernalContext ctx) { |
| assert ctx != null; |
| |
| this.ctx = ctx; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public BinaryObject deserialize(JsonParser parser, DeserializationContext dCtx) throws IOException { |
| String type = (String)dCtx.findInjectableValue(BINARY_TYPE_PROPERTY, null, null); |
| String cacheName = (String)dCtx.findInjectableValue(CACHE_NAME_PROPERTY, null, null); |
| |
| assert type != null; |
| |
| JsonNode tree = parser.readValueAsTree(); |
| ObjectCodec mapper = parser.getCodec(); |
| |
| Map<String, BinaryFieldMetadata> binFields = binaryFields(type); |
| Map<String, Class<?>> qryFields = queryFields(cacheName, type); |
| |
| BinaryObjectBuilder builder = ctx.cacheObjects().builder(type); |
| Iterator<Map.Entry<String, JsonNode>> itr = tree.fields(); |
| |
| while (itr.hasNext()) { |
| Map.Entry<String, JsonNode> entry = itr.next(); |
| |
| String field = entry.getKey(); |
| JsonNode node = entry.getValue(); |
| |
| BinaryFieldMetadata meta = binFields.get(field); |
| |
| Class<?> fieldCls = meta != null ? BinaryUtils.FLAG_TO_CLASS.get((byte)meta.typeId()) : null; |
| |
| if (fieldCls == null) |
| fieldCls = qryFields.getOrDefault(QueryUtils.normalizeObjectName(field, true), Object.class); |
| |
| builder.setField(field, mapper.treeToValue(node, fieldCls)); |
| } |
| |
| return builder.build(); |
| } |
| |
| /** |
| * @param cacheName Cache name. |
| * @param type Type name. |
| * @return Mapping from field name to its type. |
| */ |
| private Map<String, Class<?>> queryFields(String cacheName, String type) { |
| if (ctx.query().moduleEnabled()) { |
| GridQueryTypeDescriptor desc = ctx.query().typeDescriptor(cacheName, type); |
| |
| if (desc != null) |
| return desc.fields(); |
| } |
| |
| return Collections.emptyMap(); |
| } |
| |
| /** |
| * @param type Binary type name. |
| * @return Mapping from field name to its binary type. |
| */ |
| private Map<String, BinaryFieldMetadata> binaryFields(String type) { |
| BinaryTypeImpl binType = (BinaryTypeImpl)ctx.cacheObjects().binary().type(type); |
| |
| if (binType != null) |
| return binType.metadata().fieldsMap(); |
| |
| return Collections.emptyMap(); |
| } |
| } |