/**
* 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.hive.hcatalog.messaging.json;
import org.apache.hive.hcatalog.messaging.AddPartitionMessage;
import org.apache.hive.hcatalog.messaging.AlterIndexMessage;
import org.apache.hive.hcatalog.messaging.AlterPartitionMessage;
import org.apache.hive.hcatalog.messaging.AlterTableMessage;
import org.apache.hive.hcatalog.messaging.CreateDatabaseMessage;
import org.apache.hive.hcatalog.messaging.CreateFunctionMessage;
import org.apache.hive.hcatalog.messaging.CreateIndexMessage;
import org.apache.hive.hcatalog.messaging.CreateTableMessage;
import org.apache.hive.hcatalog.messaging.DropDatabaseMessage;
import org.apache.hive.hcatalog.messaging.DropFunctionMessage;
import org.apache.hive.hcatalog.messaging.DropIndexMessage;
import org.apache.hive.hcatalog.messaging.DropPartitionMessage;
import org.apache.hive.hcatalog.messaging.DropTableMessage;
import org.apache.hive.hcatalog.messaging.InsertMessage;
import org.apache.hive.hcatalog.messaging.MessageDeserializer;
import org.codehaus.jackson.map.DeserializationConfig;
import org.codehaus.jackson.map.ObjectMapper;
/**
* MessageDeserializer implementation, for deserializing from JSON strings.
*/
public class JSONMessageDeserializer extends MessageDeserializer {
static ObjectMapper mapper = new ObjectMapper(); // Thread-safe.
static {
mapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
}
@Override
public CreateDatabaseMessage getCreateDatabaseMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONCreateDatabaseMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONCreateDatabaseMessage.", exception);
}
}
@Override
public DropDatabaseMessage getDropDatabaseMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONDropDatabaseMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONDropDatabaseMessage.", exception);
}
}
@Override
public CreateTableMessage getCreateTableMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONCreateTableMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONCreateTableMessage.", exception);
}
}
@Override
public AlterTableMessage getAlterTableMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONAlterTableMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct appropriate alter table type.",
exception);
}
}
@Override
public DropTableMessage getDropTableMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONDropTableMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONDropTableMessage.", exception);
}
}
@Override
public AddPartitionMessage getAddPartitionMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONAddPartitionMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct AddPartitionMessage.", exception);
}
}
@Override
public AlterPartitionMessage getAlterPartitionMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONAlterPartitionMessage.class);
} catch (Exception e) {
throw new IllegalArgumentException("Could not construct AlterPartitionMessage.", e);
}
}
@Override
public DropPartitionMessage getDropPartitionMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONDropPartitionMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct DropPartitionMessage.", exception);
}
}
@Override
public CreateFunctionMessage getCreateFunctionMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONCreateFunctionMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONCreateFunctionMessage.", exception);
}
}
@Override
public DropFunctionMessage getDropFunctionMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONDropFunctionMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONDropDatabaseMessage.", exception);
}
}
@Override
public CreateIndexMessage getCreateIndexMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONCreateIndexMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONCreateIndexMessage.", exception);
}
}
@Override
public DropIndexMessage getDropIndexMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONDropIndexMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONDropIndexMessage.", exception);
}
}
@Override
public AlterIndexMessage getAlterIndexMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONAlterIndexMessage.class);
}
catch (Exception exception) {
throw new IllegalArgumentException("Could not construct JSONAlterIndexMessage.", exception);
}
}
@Override
public InsertMessage getInsertMessage(String messageBody) {
try {
return mapper.readValue(messageBody, JSONInsertMessage.class);
} catch (Exception e) {
throw new IllegalArgumentException("Could not construct InsertMessage", e);
}
}
}