/**********************************************************\
| |
| hprose |
| |
| Official WebSite: http://www.hprose.com/ |
| http://www.hprose.org/ |
| |
\**********************************************************/
/**********************************************************\
* *
* PropertyAccessor.java *
* *
* PropertyAccessor class for Java. *
* *
* LastModified: Aug 4, 2016 *
* Author: Ma Bingyao <andot@hprose.com> *
* *
\**********************************************************/
package hprose.io.access;
import hprose.common.HproseException;
import static hprose.io.HproseTags.TagNull;
import hprose.io.serialize.Serializer;
import hprose.io.serialize.SerializerFactory;
import hprose.io.serialize.Writer;
import hprose.io.unserialize.Reader;
import hprose.io.unserialize.Unserializer;
import hprose.io.unserialize.UnserializerFactory;
import hprose.util.ClassUtil;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
public final class PropertyAccessor implements MemberAccessor {
private final static Object[] nullArgs = new Object[0];
private final Method getter;
private final Method setter;
private final Type propType;
private final Serializer serializer;
private final Unserializer unserializer;
public PropertyAccessor(Type type, Method getter, Method setter) {
getter.setAccessible(true);
setter.setAccessible(true);
this.getter = getter;
this.setter = setter;
propType = ClassUtil.getActualType(type, getter.getGenericReturnType());
Class<?> cls = ClassUtil.toClass(propType);
serializer = SerializerFactory.get(cls);
unserializer = UnserializerFactory.get(cls);
}
@Override
@SuppressWarnings({"unchecked"})
public void serialize(Writer writer, Object obj) throws IOException {
Object value;
try {
value = getter.invoke(obj, nullArgs);
}
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(), propType);
try {
setter.invoke(obj, new Object[] { value });
}
catch (Exception e) {
throw new HproseException(e.getMessage());
}
}
}