/**********************************************************\
| |
| hprose |
| |
| Official WebSite: http://www.hprose.com/ |
| http://www.hprose.org/ |
| |
\**********************************************************/
/**********************************************************\
* *
* FieldAccessor.java *
* *
* FieldAccessor class for Java. *
* *
* LastModified: Aug 4, 2016 *
* Author: Ma Bingyao <andot@hprose.com> *
* *
\**********************************************************/
package net.hasor.libs.com.hprose.io.access;
import net.hasor.libs.com.hprose.io.HproseException;
import net.hasor.libs.com.hprose.io.serialize.Serializer;
import net.hasor.libs.com.hprose.io.serialize.SerializerFactory;
import net.hasor.libs.com.hprose.io.serialize.Writer;
import net.hasor.libs.com.hprose.io.unserialize.Reader;
import net.hasor.libs.com.hprose.io.unserialize.Unserializer;
import net.hasor.libs.com.hprose.io.unserialize.UnserializerFactory;
import net.hasor.libs.com.hprose.utils.ClassUtil;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Type;
import static net.hasor.libs.com.hprose.io.HproseTags.TagNull;
public final class FieldAccessor implements MemberAccessor {
private final long offset;
private final Type fieldType;
private final Serializer serializer;
private final Unserializer unserializer;
public FieldAccessor(Type type, Field field) {
field.setAccessible(true);
offset = Accessors.unsafe.objectFieldOffset(field);
fieldType = ClassUtil.getActualType(type, field.getGenericType());
Class<?> cls = ClassUtil.toClass(fieldType);
serializer = SerializerFactory.get(cls);
unserializer = UnserializerFactory.get(cls);
}
@Override
@SuppressWarnings({ "unchecked" })
public void serialize(Writer writer, Object obj) throws IOException {
Object value;
try {
value = Accessors.unsafe.getObject(obj, offset);
} catch (Exception e) {
throw new HproseException(e.getMessage());
}
if (value == null) {
writer.stream.write(TagNull);
} else {
serializer.write(writer, value);
}
}
@Override
public void unserialize(Reader reader, Object obj) throws IOException {
Object value = unserializer.read(reader, reader.stream.read(), fieldType);
try {
Accessors.unsafe.putObject(obj, offset, value);
} catch (Exception e) {
throw new HproseException(e.getMessage());
}
}
}