platform/extensions/src/com/intellij/openapi/extensions/impl/AreaPicoContainerImpl.java

/*
 * 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.openapi.extensions.impl;

import com.intellij.openapi.extensions.AreaInstance;
import com.intellij.openapi.extensions.AreaPicoContainer;
import com.intellij.util.pico.IdeaPicoContainer;
import org.jetbrains.annotations.NonNls;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.PicoContainer;
import org.picocontainer.alternatives.AbstractDelegatingMutablePicoContainer;

/**
 * @author Alexander Kireyev
 */
class AreaPicoContainerImpl extends AbstractDelegatingMutablePicoContainer implements AreaPicoContainer {
  private final AreaInstance myAreaInstance;

  public AreaPicoContainerImpl(PicoContainer parentPicoContainer, AreaInstance areaInstance) {
    this(new MyPicoContainer(parentPicoContainer), areaInstance);
  }

  private AreaPicoContainerImpl(MyPicoContainer picoContainer, AreaInstance areaInstance) {
    super(picoContainer);
    myAreaInstance = areaInstance;
    picoContainer.setWrapperContainer(this);
  }

  @Override
  public MutablePicoContainer makeChildContainer() {
    throw new UnsupportedOperationException("Method makeChildContainer() is not implemented");
  }

  @NonNls
  public String toString() {
    return "AreaPicoContainer[" + myAreaInstance + "]";
  }

  private static class MyPicoContainer extends IdeaPicoContainer {
    private AreaPicoContainerImpl myWrapperContainer;

    public MyPicoContainer(final PicoContainer parentPicoContainer) {
      super(parentPicoContainer);
    }

    public void setWrapperContainer(AreaPicoContainerImpl wrapperContainer) {
      myWrapperContainer = wrapperContainer;
    }


    @NonNls
    @Override
    public String toString() {
      return "AreaPicoContainer.MyPicoContainer[" + myWrapperContainer.myAreaInstance + "]";
    }
  }
}