private void SetupProperties(MetadataJavaField meta)
{
_metaName = meta.Name;
_metaFlags = (AccessFlags)meta.AccessFlags;
_metaType = Type.GetReturnType(meta.Type);
_metaConstantValue = LoadConstantValue(meta.ConstantValue);
}
public static MetadataJavaField ToMetadata(this JavaField field)
{
var javaField = new MetadataJavaField
{
Name = field.Name,
Type = field.Type.GetSignature()
};
if (field.ConstantValue != null)
{
using var stream = new MemoryStream();
using var ms = new MemoryOutputStream(stream);
using var dos = new DataOutputStream(ms);
field.ConstantValue.Dump(dos);
//Write the original string there to be able to create a new constantpool from metadata
if (field.ConstantValue is ConstantString constantString)
{
dos.WriteUTF(constantString.GetBytes(field.ConstantPool));
}
javaField.ConstantValue = stream.ToArray();
}
return(javaField);
}
private static void WriteJavaField(this DataOutputStream stream, MetadataJavaField field)
{
stream.WriteUTF(field.Name);
stream.WriteUTF(field.Type);
stream.WriteAccessFlagsParameter(field.AccessFlags);
stream.WriteBoolean(field.ConstantValue != null);
if (field.ConstantValue != null)
{
stream.WriteArray(field.ConstantValue, b => stream.WriteByte(b));
}
}
private static MetadataJavaField ReadJavaField(this DataInputStream stream)
{
var field = new MetadataJavaField
{
Name = stream.ReadUtfAndIntern(), Type = stream.ReadUtfAndIntern(),
AccessFlags = stream.ReadAccessFlagsParameter()
};
var hasConstantValue = stream.ReadBoolean();
if (hasConstantValue)
{
field.ConstantValue = stream.ReadArray(stream.ReadByte);
}
return(field);
}
public static DataJavaField ToDataClass(this MetadataJavaField field)
{
return(new DataJavaField(field));
}
public DataJavaField(MetadataJavaField meta)
{
CanLoad += (_, __) => SetupProperties(meta);
}
