content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * Licensed 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
   *
   *      https://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 com.alibaba.cloud.ai.graph.serializer.std;
  
  import com.alibaba.cloud.ai.graph.serializer.Serializer;
  
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.util.Objects;
  import java.util.Optional;
  
  public class ObjectInputWithMapper implements ObjectInput {
  
  	private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ObjectInputWithMapper.class);
  
  	private final ObjectInput in;
  
  	private final SerializerMapper mapper;
  
  	public ObjectInputWithMapper(ObjectInput in, SerializerMapper mapper) {
  		this.in = Objects.requireNonNull(in, "in cannot be null");
  		this.mapper = Objects.requireNonNull(mapper, "mapper cannot be null");
  	}
  
  	@Override
  	public Object readObject() throws ClassNotFoundException, IOException {
  		Object object = in.readObject();
  
  		if (object instanceof Class) {
  			Class<?> type = (Class<?>) object;
  
  			Optional<Serializer<Object>> optSerializer = mapper.getSerializer(type);
  
  			if (!optSerializer.isPresent()) {
  				optSerializer = mapper.getSerializer(type.getName());
  			}
  
  			Serializer<Object> serializer = optSerializer.orElseGet(() -> {
  				log.warn("No serializer found for class {} in {}", type.getName(), mapper);
  				return mapper.getDefaultSerializer();
  			});
  
  			return serializer.read(this);
  		}
  
  		return object;
  	}
  
  	@Override
  	public int read() throws IOException {
  		return in.read();
  	}
  
  	@Override
  	public int read(byte[] b) throws IOException {
  		return in.read(b);
  	}
  
  	@Override
  	public int read(byte[] b, int off, int len) throws IOException {
  		return in.read(b, off, len);
  	}
  
  	@Override
  	public long skip(long n) throws IOException {
  		return in.skip(n);
  	}
  
  	@Override
  	public int available() throws IOException {
  		return in.available();
  	}
  
  	@Override
  	public void close() throws IOException {
  		in.close();
  	}
  
  	@Override
  	public void readFully(byte[] b) throws IOException {
  		in.readFully(b);
  	}
  
  	@Override
  	public void readFully(byte[] b, int off, int len) throws IOException {
  		in.readFully(b, off, len);
  	}
  
  	@Override
  	public int skipBytes(int n) throws IOException {
  		return in.skipBytes(n);
  	}
  
  	@Override
  	public boolean readBoolean() throws IOException {
  		return in.readBoolean();
  	}
  
  	@Override
  	public byte readByte() throws IOException {
  		return in.readByte();
  	}
  
  	@Override
  	public int readUnsignedByte() throws IOException {
  		return in.readUnsignedByte();
  	}
  
  	@Override
  	public short readShort() throws IOException {
  		return in.readShort();
  	}
  
  	@Override
  	public int readUnsignedShort() throws IOException {
  		return in.readUnsignedShort();
  	}
  
  	@Override
  	public char readChar() throws IOException {
  		return in.readChar();
  	}
  
  	@Override
  	public int readInt() throws IOException {
  		return in.readInt();
  	}
  
  	@Override
  	public long readLong() throws IOException {
  		return in.readLong();
  	}
  
  	@Override
  	public float readFloat() throws IOException {
  		return in.readFloat();
  	}
  
  	@Override
  	public double readDouble() throws IOException {
  		return in.readDouble();
  	}
  
  	@Override
  	public String readLine() throws IOException {
  		return in.readLine();
  	}
  
  	@Override
  	public String readUTF() throws IOException {
  		return Serializer.readUTF(in);
  	}
  
  }
  