| /* |
| * Copyright 2000-2013 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.Content; |
| import org.jdom.Text; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class TextBinding implements Binding { |
| private final Accessor myAccessor; |
| private volatile Binding myBinding; |
| |
| public TextBinding(final Accessor accessor) { |
| myAccessor = accessor; |
| } |
| |
| @Override |
| public Object serialize(Object o, Object context, SerializationFilter filter) { |
| final Object v = myAccessor.read(o); |
| if (v == null) return context; |
| final Object node = myBinding.serialize(v, context, filter); |
| |
| return new Text(((Content)node).getValue()); |
| } |
| |
| @Override |
| @Nullable |
| public Object deserialize(Object context, @NotNull Object... nodes) { |
| assert nodes.length == 1; |
| Object node = nodes[0]; |
| assert isBoundTo(node); |
| |
| myAccessor.write(context, myBinding.deserialize(context, nodes[0])); |
| return context; |
| } |
| |
| @Override |
| public boolean isBoundTo(Object node) { |
| return node instanceof Text; |
| } |
| |
| @Override |
| public Class getBoundNodeType() { |
| return Text.class; |
| } |
| |
| @Override |
| public void init() { |
| myBinding = XmlSerializerImpl.getBinding(myAccessor); |
| if (!Text.class.isAssignableFrom(myBinding.getBoundNodeType())) { |
| throw new XmlSerializationException("Can't use attribute binding for non-text content: " + myAccessor); |
| } |
| } |
| } |