com.google.inject.InternalFactoryToProviderAdapter 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;
import com.google.inject.internal.Errors;
import com.google.inject.internal.ErrorsException;
import com.google.inject.internal.InternalContext;
import com.google.inject.internal.InternalFactory;
import static com.google.inject.internal.Preconditions.checkNotNull;
import com.google.inject.internal.SourceProvider;
import com.google.inject.spi.Dependency;
/**
* @author [email protected] (Bob Lee)
*/
class InternalFactoryToProviderAdapter implements InternalFactory {
private final Initializable> initializable;
private final Object source;
public InternalFactoryToProviderAdapter(Initializable> initializable) {
this(initializable, SourceProvider.UNKNOWN_SOURCE);
}
public InternalFactoryToProviderAdapter(
Initializable> initializable, Object source) {
this.initializable = checkNotNull(initializable, "provider");
this.source = checkNotNull(source, "source");
}
public T get(Errors errors, InternalContext context, Dependency dependency)
throws ErrorsException {
try {
return errors.checkForNull(initializable.get(errors).get(), source, dependency);
} catch (RuntimeException userException) {
throw errors.withSource(source).errorInProvider(userException).toException();
}
}
@Override public String toString() {
return initializable.toString();
}
}