/*
* 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 com.intellij.openapi.util.JDOMUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.util.xmlb.annotations.OptionTag;
import org.jdom.Attribute;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
class OptionTagBinding extends BasePrimitiveBinding {
private final String myTagName;
private final String myNameAttribute;
private final String myValueAttribute;
public OptionTagBinding(@NotNull MutableAccessor accessor, @Nullable OptionTag optionTag) {
super(accessor, optionTag == null ? null : optionTag.value(), optionTag == null ? null : optionTag.converter());
if (optionTag == null) {
myTagName = Constants.OPTION;
myNameAttribute = Constants.NAME;
myValueAttribute = Constants.VALUE;
}
else {
myNameAttribute = optionTag.nameAttribute();
myValueAttribute = optionTag.valueAttribute();
String tagName = optionTag.tag();
if (StringUtil.isEmpty(myNameAttribute) && Constants.OPTION.equals(tagName)) {
tagName = myAccessor.getName();
}
myTagName = tagName;
}
}
@Override
@Nullable
public Object serialize(@NotNull Object o, @Nullable Object context, @NotNull SerializationFilter filter) {
Object value = myAccessor.read(o);
Element targetElement = new Element(myTagName);
if (!StringUtil.isEmpty(myNameAttribute)) {
targetElement.setAttribute(myNameAttribute, myName);
}
if (value == null) {
return targetElement;
}
if (myConverter == null) {
if (myBinding == null) {
targetElement.setAttribute(myValueAttribute, XmlSerializerImpl.convertToString(value));
}
else if (myBinding instanceof BeanBinding && myValueAttribute.isEmpty()) {
((BeanBinding)myBinding).serializeInto(value, targetElement, filter);
}
else {
Object node = myBinding.serialize(value, targetElement, filter);
if (node != null && targetElement != node) {
JDOMUtil.addContent(targetElement, node);
}
}
}
else {
targetElement.setAttribute(myValueAttribute, myConverter.toString(value));
}
return targetElement;
}
@Override
public Object deserialize(Object context, @NotNull Element element) {
Attribute valueAttribute = element.getAttribute(myValueAttribute);
if (valueAttribute == null) {
if (myValueAttribute.isEmpty()) {
assert myBinding != null;
myAccessor.set(context, myBinding.deserialize(context, element));
}
else {
List<Element> children = element.getChildren();
if (children.isEmpty()) {
myAccessor.set(context, null);
}
else {
assert myBinding != null;
myAccessor.set(context, Binding.deserializeList(myBinding, myAccessor.read(context), children));
}
}
}
else if (myConverter == null) {
XmlSerializerImpl.doSet(context, valueAttribute.getValue(), myAccessor, XmlSerializerImpl.typeToClass(myAccessor.getGenericType()));
}
else {
myAccessor.set(context, myConverter.fromString(valueAttribute.getValue()));
}
return context;
}
@Override
public boolean isBoundTo(@NotNull Element element) {
if (!element.getName().equals(myTagName)) {
return false;
}
String name = element.getAttributeValue(myNameAttribute);
if (StringUtil.isEmpty(myNameAttribute)) {
return name == null || name.equals(myName);
}
else {
return name != null && name.equals(myName);
}
}
@NonNls
public String toString() {
return "OptionTagBinding[" + myName + ", binding=" + myBinding + "]";
}
}