package org.simantics.databoard.serialization.impl;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.simantics.databoard.binding.BooleanBinding;
import org.simantics.databoard.binding.error.BindingException;
import org.simantics.databoard.serialization.Serializer.NonRecursiveSerializer;

public class BooleanSerializer extends NonRecursiveSerializer {

	BooleanBinding binding;
	
	public BooleanSerializer(BooleanBinding binding) {
		this.binding = binding;
	}
	
	@Override
	public Object deserialize(DataInput in) throws IOException {
		try {
			boolean value = in.readByte() != 0; 
			return binding.create(value);
		} catch (BindingException e) {
			throw new IOException( e ); 
		}
	}
	
	@Override
	public void deserializeTo(DataInput in, Object obj) throws IOException {
		try {
			boolean newValue = in.readByte() != 0; 
			binding.setValue(obj, newValue);
		} catch (BindingException e) {
			throw new IOException( e ); 
		}
	}
	
	@Override
	public void skip(DataInput in)
			throws IOException {
		in.skipBytes(1);			
	}

	@Override
	public void serialize(DataOutput out, Object obj) throws IOException {
		try {
			boolean value = binding.getValue_(obj);
			out.write( (byte) (value ? 1 : 0) );
		} catch (BindingException e) {
			throw new IOException( e ); 
		}
	}

	@Override
	public Integer getConstantSize() {
		return 1;
	}

	@Override
	public int getSize(Object obj) {
		return 1;
	}

	@Override
	public int getMinSize() {
		return 1;
	}
	
	public boolean getBoolean(DataInput in) throws IOException
	{
		return in.readByte() != 0;
	}
	
	public void putBoolean(DataOutput out, boolean x) throws IOException
	{
		out.writeBoolean(x);
	}
	
}