/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* 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
*
* http://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.intellij.util.xmlb;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
class AccessorBindingWrapper extends Binding implements MultiNodeBinding {
private final Binding myBinding;
public AccessorBindingWrapper(@NotNull MutableAccessor accessor, @NotNull Binding binding) {
super(accessor);
myBinding = binding;
}
@Nullable
@Override
public Object serialize(@NotNull Object o, @Nullable Object context, @NotNull SerializationFilter filter) {
Object value = myAccessor.read(o);
if (value == null) {
throw new XmlSerializationException("Property " + myAccessor + " of object " + o + " (" + o.getClass() + ") must not be null");
}
return myBinding.serialize(value, context, filter);
}
@Override
@Nullable
public Object deserialize(Object context, @NotNull Element element) {
Object currentValue = myAccessor.read(context);
if (myBinding instanceof BeanBinding && myAccessor.isFinal()) {
((BeanBinding)myBinding).deserializeInto(currentValue, element, null);
}
else {
Object deserializedValue = myBinding.deserialize(currentValue, element);
if (currentValue != deserializedValue) {
myAccessor.set(context, deserializedValue);
}
}
return context;
}
@Nullable
@Override
public Object deserializeList(Object context, @NotNull List<Element> elements) {
Object currentValue = myAccessor.read(context);
if (myBinding instanceof BeanBinding && myAccessor.isFinal()) {
((BeanBinding)myBinding).deserializeInto(currentValue, elements.get(0), null);
}
else {
Object deserializedValue = Binding.deserializeList(myBinding, currentValue, elements);
if (currentValue != deserializedValue) {
myAccessor.set(context, deserializedValue);
}
}
return context;
}
@Override
public boolean isMulti() {
return myBinding instanceof MultiNodeBinding && ((MultiNodeBinding)myBinding).isMulti();
}
@Override
public boolean isBoundTo(@NotNull Element element) {
return myBinding.isBoundTo(element);
}
}