com.google.inject.internal.InternalFactoryToInitializableAdapter Maven / Gradle / Ivy
/*
* Copyright (C) 2011 Google Inc.
*
* 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.google.inject.internal;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.inject.spi.Dependency;
import com.google.inject.spi.ProviderInstanceBinding;
/**
* Adapts {@link ProviderInstanceBinding} providers, ensuring circular proxies fail (or proxy)
* properly.
*
* @author [email protected] (Sam Berlin)
*/
final class InternalFactoryToInitializableAdapter extends ProviderInternalFactory {
private final ProvisionListenerStackCallback provisionCallback;
private final Initializable> initializable;
public InternalFactoryToInitializableAdapter(
Initializable> initializable,
Object source,
ProvisionListenerStackCallback provisionCallback) {
super(source);
this.provisionCallback = provisionCallback;
this.initializable = checkNotNull(initializable, "provider");
}
@Override
public T get(InternalContext context, Dependency dependency, boolean linked)
throws InternalProvisionException {
return circularGet(initializable.get(), context, dependency, provisionCallback);
}
@Override
protected T provision(
javax.inject.Provider provider,
Dependency dependency,
ConstructionContext constructionContext)
throws InternalProvisionException {
try {
return super.provision(provider, dependency, constructionContext);
} catch (RuntimeException userException) {
throw InternalProvisionException.errorInProvider(userException).addSource(source);
}
}
@Override
public String toString() {
return initializable.toString();
}
}