/*
* 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.text.StringUtil;
import com.intellij.util.xmlb.annotations.Tag;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.List;
class JDOMElementBinding extends Binding implements MultiNodeBinding {
private final String myTagName;
public JDOMElementBinding(@NotNull MutableAccessor accessor) {
super(accessor);
Tag tag = myAccessor.getAnnotation(Tag.class);
assert tag != null : "jdom.Element property without @Tag annotation: " + accessor;
String tagName = tag.value();
if (StringUtil.isEmpty(tagName)) {
tagName = myAccessor.getName();
}
myTagName = tagName;
}
@Override
public Object serialize(@NotNull Object o, Object context, @NotNull SerializationFilter filter) {
Object value = myAccessor.read(o);
if (value == null) {
return null;
}
if (value instanceof Element) {
Element targetElement = ((Element)value).clone();
assert targetElement != null;
targetElement.setName(myTagName);
return targetElement;
}
if (value instanceof Element[]) {
ArrayList<Element> result = new ArrayList<Element>();
for (Element element : ((Element[])value)) {
result.add(element.clone().setName(myTagName));
}
return result;
}
throw new XmlSerializationException("org.jdom.Element expected but " + value + " found");
}
@Nullable
@Override
public Object deserializeList(Object context, @NotNull List<Element> elements) {
if (myAccessor.getValueClass().isArray()) {
myAccessor.set(context, elements.toArray(new Element[elements.size()]));
}
else {
myAccessor.set(context, elements.get(0));
}
return context;
}
@Override
public boolean isMulti() {
return true;
}
@Override
@Nullable
public Object deserialize(Object context, @NotNull Element element) {
myAccessor.set(context, element);
return context;
}
@Override
public boolean isBoundTo(@NotNull Element element) {
return element.getName().equals(myTagName);
}
}