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/*
* Copyright 2000-2014 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.openapi.actionSystem;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.UserDataHolder;
import com.intellij.openapi.util.UserDataHolderBase;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
// We implement UserDataHolder to support DataManager.saveInDataContext/loadFromDataContext methods
public class DataContextWrapper implements DataContext, UserDataHolder {
private final DataContext myDelegate;
private final UserDataHolder myDataHolder;
public DataContextWrapper(@NotNull DataContext delegate) {
myDelegate = delegate;
myDataHolder = delegate instanceof UserDataHolder ? (UserDataHolder) delegate : new UserDataHolderBase();
}
@Nullable
@Override
public Object getData(@NonNls String dataId) {
return myDelegate.getData(dataId);
}
@Nullable
@Override
public <T> T getUserData(@NotNull Key<T> key) {
return myDataHolder.getUserData(key);
}
@Override
public <T> void putUserData(@NotNull Key<T> key, @Nullable T value) {
myDataHolder.putUserData(key, value);
}
}
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