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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.mock;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.components.BaseComponent;
import com.intellij.openapi.components.ComponentManager;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.Conditions;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.UserDataHolderBase;
import com.intellij.util.containers.ConcurrentHashSet;
import com.intellij.util.messages.MessageBus;
import com.intellij.util.messages.MessageBusFactory;
import com.intellij.util.pico.IdeaPicoContainer;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.PicoContainer;
import java.lang.reflect.Array;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class MockComponentManager extends UserDataHolderBase implements ComponentManager {
private final MessageBus myMessageBus = MessageBusFactory.newMessageBus(this);
private final MutablePicoContainer myPicoContainer;
private final Map<Class, Object> myComponents = new HashMap<Class, Object>();
public MockComponentManager(@Nullable PicoContainer parent, @NotNull Disposable parentDisposable) {
myPicoContainer = new IdeaPicoContainer(parent) {
private Set<Object> myDisposableComponents = new ConcurrentHashSet<Object>();
@Override
@Nullable
public Object getComponentInstance(final Object componentKey) {
final Object o = super.getComponentInstance(componentKey);
if (o instanceof Disposable && o != MockComponentManager.this) {
if (myDisposableComponents.add(o))
Disposer.register(MockComponentManager.this, (Disposable)o);
}
return o;
}
};
myPicoContainer.registerComponentInstance(this);
Disposer.register(parentDisposable, this);
}
@Override
public BaseComponent getComponent(@NotNull String name) {
return null;
}
public <T> void registerService(@NotNull Class<T> serviceInterface, @NotNull Class<? extends T> serviceImplementation) {
myPicoContainer.unregisterComponent(serviceInterface.getName());
myPicoContainer.registerComponentImplementation(serviceInterface.getName(), serviceImplementation);
}
public <T> void registerService(@NotNull Class<T> serviceImplementation) {
registerService(serviceImplementation, serviceImplementation);
}
public <T> void registerService(@NotNull Class<T> serviceInterface, @NotNull T serviceImplementation) {
myPicoContainer.registerComponentInstance(serviceInterface.getName(), serviceImplementation);
}
public <T> void addComponent(@NotNull Class<T> interfaceClass, @NotNull T instance) {
myComponents.put(interfaceClass, instance);
}
@Override
public <T> T getComponent(@NotNull Class<T> interfaceClass) {
final Object o = myPicoContainer.getComponentInstance(interfaceClass);
return (T)(o != null ? o : myComponents.get(interfaceClass));
}
@Override
public <T> T getComponent(@NotNull Class<T> interfaceClass, T defaultImplementation) {
return getComponent(interfaceClass);
}
@Override
public boolean hasComponent(@NotNull Class interfaceClass) {
return false;
}
@Override
@NotNull
public <T> T[] getComponents(@NotNull Class<T> baseClass) {
final List<?> list = myPicoContainer.getComponentInstancesOfType(baseClass);
return list.toArray((T[])Array.newInstance(baseClass, 0));
}
@Override
@NotNull
public MutablePicoContainer getPicoContainer() {
return myPicoContainer;
}
@NotNull
@Override
public MessageBus getMessageBus() {
return myMessageBus;
}
@Override
public boolean isDisposed() {
return false;
}
@Override
public void dispose() {
}
@NotNull
@Override
public <T> T[] getExtensions(@NotNull final ExtensionPointName<T> extensionPointName) {
throw new UnsupportedOperationException("getExtensions()");
}
@NotNull
@Override
public Condition getDisposed() {
return Conditions.alwaysFalse();
}
}
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