com.google.inject.internal.BoundProviderFactory Maven / Gradle / Ivy
/*
* Copyright (C) 2006 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 com.google.inject.Key;
import com.google.inject.internal.InjectorImpl.JitLimitation;
import com.google.inject.spi.Dependency;
import javax.inject.Provider;
/** Delegates to a custom factory which is also bound in the injector. */
final class BoundProviderFactory extends ProviderInternalFactory implements CreationListener {
private final ProvisionListenerStackCallback provisionCallback;
private final InjectorImpl injector;
final Key> providerKey;
private InternalFactory> providerFactory;
BoundProviderFactory(
InjectorImpl injector,
Key> providerKey,
Object source,
ProvisionListenerStackCallback provisionCallback) {
super(source);
this.provisionCallback = provisionCallback;
this.injector = injector;
this.providerKey = providerKey;
}
@Override
public void notify(Errors errors) {
try {
providerFactory =
injector.getInternalFactory(
providerKey, errors.withSource(source), JitLimitation.NEW_OR_EXISTING_JIT);
} catch (ErrorsException e) {
errors.merge(e.getErrors());
}
}
@Override
public T get(InternalContext context, Dependency dependency, boolean linked)
throws InternalProvisionException {
context.pushState(providerKey, source);
try {
javax.inject.Provider provider = providerFactory.get(context, dependency, true);
return circularGet(provider, context, dependency, provisionCallback);
} catch (InternalProvisionException ipe) {
throw ipe.addSource(providerKey);
} finally {
context.popState();
}
}
@Override
protected T provision(
Provider provider,
Dependency dependency,
ConstructionContext constructionContext)
throws InternalProvisionException {
try {
return super.provision(provider, dependency, constructionContext);
} catch (RuntimeException userException) {
throw InternalProvisionException.errorInProvider(userException);
}
}
@Override
public String toString() {
return providerKey.toString();
}
}