/*
* 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 org.jdom.Content;
import org.jdom.Element;
import org.jdom.Text;
//todo: merge with option tag binding
class TagBindingWrapper implements Binding {
private final Binding binding;
private final String myTagName;
private final String myAttributeName;
public TagBindingWrapper(Binding binding, final String tagName, final String attributeName) {
this.binding = binding;
assert binding.getBoundNodeType().isAssignableFrom(Text.class);
myTagName = tagName;
myAttributeName = attributeName;
}
public Object serialize(Object o, Object context) {
Element e = new Element(myTagName);
Object n = binding.serialize(o, e);
final String value = ((Content)n).getValue();
if (myAttributeName.length() != 0) {
e.setAttribute(myAttributeName, value);
}
else {
e.addContent(new Text(value));
}
return e;
}
public Object deserialize(Object context, Object... nodes) {
assert nodes.length == 1;
Element e = (Element)nodes[0];
final Object[] childNodes;
if (myAttributeName.length() != 0) {
childNodes = new Object[]{e.getAttribute(myAttributeName)};
}
else {
childNodes = JDOMUtil.getContent(e);
}
return binding.deserialize(context, childNodes);
}
public boolean isBoundTo(Object node) {
return node instanceof Element && ((Element)node).getName().equals(myTagName);
}
public Class getBoundNodeType() {
return Element.class;
}
public void init() {
}
}