/*
* Copyright 2000-2009 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.util.ArrayUtil;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.xmlb.annotations.Tag;
import org.jdom.Element;
import org.jdom.Text;
import java.util.ArrayList;
import java.util.List;
class TagBinding implements Binding {
private final Accessor accessor;
private final Tag myTagAnnotation;
private final String myTagName;
private final Binding binding;
public TagBinding(Accessor accessor, Tag tagAnnotation, XmlSerializerImpl xmlSerializer) {
this.accessor = accessor;
myTagAnnotation = tagAnnotation;
myTagName = tagAnnotation.value();
binding = xmlSerializer.getBinding(accessor);
}
public Object serialize(Object o, Object context) {
Object value = accessor.read(o);
if (value == null) return context;
Element v = new Element(myTagName);
Object node = binding.serialize(value, v);
if (node != v) {
JDOMUtil.addContent(v, node);
}
return v;
}
public Object deserialize(Object o, Object... nodes) {
assert nodes.length > 0;
Object[] children;
if (nodes.length == 1) {
children = JDOMUtil.getContent((Element)nodes[0]);
}
else {
String name = ((Element)nodes[0]).getName();
List<Object> childrenList = new ArrayList<Object>();
for (Object node : nodes) {
assert ((Element)node).getName().equals(name);
ContainerUtil.addAll(childrenList, JDOMUtil.getContent((Element)node));
}
children = ArrayUtil.toObjectArray(childrenList);
}
if (children.length == 0) {
children = new Object[] {new Text(myTagAnnotation.textIfEmpty())};
}
Object v = binding.deserialize(accessor.read(o), children);
Object value = XmlSerializerImpl.convert(v, accessor.getValueClass());
accessor.write(o, value);
return o;
}
public boolean isBoundTo(Object node) {
return node instanceof Element && ((Element)node).getName().equals(myTagName);
}
public Class getBoundNodeType() {
throw new UnsupportedOperationException("Method getBoundNodeType is not supported in " + getClass());
}
public void init() {
}
}