| /* |
| * 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.dubbo.common.serialize.protobuf.support; |
| |
| import org.apache.dubbo.common.serialize.ObjectOutput; |
| import org.apache.dubbo.common.serialize.protobuf.support.wrapper.MapValue; |
| |
| import com.google.protobuf.BoolValue; |
| import com.google.protobuf.ByteString; |
| import com.google.protobuf.BytesValue; |
| import com.google.protobuf.DoubleValue; |
| import com.google.protobuf.FloatValue; |
| import com.google.protobuf.Int32Value; |
| import com.google.protobuf.Int64Value; |
| import com.google.protobuf.StringValue; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.util.Map; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.HEARTBEAT_EVENT; |
| import static org.apache.dubbo.common.constants.CommonConstants.MOCK_HEARTBEAT_EVENT; |
| |
| /** |
| * GenericGoogleProtobuf object output implementation |
| */ |
| public class GenericProtobufJsonObjectOutput implements ObjectOutput { |
| |
| private final PrintWriter writer; |
| |
| public GenericProtobufJsonObjectOutput(OutputStream out) { |
| this.writer = new PrintWriter(new OutputStreamWriter(out)); |
| } |
| |
| @Override |
| public void writeBool(boolean v) throws IOException { |
| |
| writeObject(BoolValue.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeByte(byte v) throws IOException { |
| writeObject(Int32Value.newBuilder().setValue((v)).build()); |
| } |
| |
| @Override |
| public void writeShort(short v) throws IOException { |
| writeObject(Int32Value.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeInt(int v) throws IOException { |
| writeObject(Int32Value.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeLong(long v) throws IOException { |
| writeObject(Int64Value.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeFloat(float v) throws IOException { |
| writeObject(FloatValue.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeDouble(double v) throws IOException { |
| writeObject(DoubleValue.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeUTF(String v) throws IOException { |
| writeObject(StringValue.newBuilder().setValue(v).build()); |
| } |
| |
| @Override |
| public void writeBytes(byte[] b) throws IOException { |
| writeObject(BytesValue.newBuilder().setValue(ByteString.copyFrom(b)).build()); |
| } |
| |
| @Override |
| public void writeBytes(byte[] b, int off, int len) throws IOException { |
| writeObject(BytesValue.newBuilder().setValue(ByteString.copyFrom(b, off, len)).build()); |
| } |
| |
| |
| @Override |
| public void writeObject(Object obj) throws IOException { |
| if (obj == null) { |
| throw new IllegalArgumentException("This serialization only support google protobuf object, the object is : null"); |
| } |
| if (!ProtobufUtils.isSupported(obj.getClass())) { |
| throw new IllegalArgumentException("This serialization only support google protobuf object, the object class is: " + obj.getClass().getName()); |
| } |
| |
| writer.write(ProtobufUtils.serializeJson(obj)); |
| writer.println(); |
| writer.flush(); |
| } |
| |
| @Override |
| public void writeThrowable(Object th) throws IOException { |
| if (th instanceof Throwable && !ProtobufUtils.isSupported(th.getClass())) { |
| th = ProtobufUtils.convertToThrowableProto((Throwable) th); |
| } |
| writer.write(ProtobufUtils.serializeJson(th)); |
| writer.println(); |
| writer.flush(); |
| } |
| |
| @Override |
| public void writeEvent(Object data) throws IOException { |
| if (data == HEARTBEAT_EVENT) { |
| data = MOCK_HEARTBEAT_EVENT; |
| } |
| writeUTF((String) data); |
| } |
| |
| /** |
| * FIXME, only supports transmission of String values. |
| * |
| * @param attachments |
| * @throws IOException |
| */ |
| @Override |
| public void writeAttachments(Map<String, Object> attachments) throws IOException { |
| if (attachments == null) { |
| return; |
| } |
| |
| MapValue.Map map = ProtobufAttachmentUtils.wrap(attachments); |
| writer.write(ProtobufUtils.serializeJson(map, ProtobufAttachmentUtils.getTypeRegistry())); |
| writer.println(); |
| writer.flush(); |
| } |
| |
| @Override |
| public void flushBuffer() { |
| writer.flush(); |
| } |
| |
| } |