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/*
* Copyright (C) 2009 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 shaded.shaded.com.google.inject.spi;
import shaded.shaded.com.google.inject.Binder;
import shaded.shaded.com.google.inject.TypeLiteral;
import shaded.shaded.com.google.inject.matcher.Matcher;
/**
* Binds types (picked using a Matcher) to an type listener. Registrations are created explicitly in
* a module using {@link shaded.shaded.com.google.inject.Binder#bindListener(Matcher, TypeListener)} statements:
*
*
* register(only(new TypeLiteral<PaymentService<CreditCard>>() {}), listener);
*
* @author [email protected] (Jesse Wilson)
* @since 2.0
*/
public final class TypeListenerBinding implements Element {
private final Object source;
private final Matcher> typeMatcher;
private final TypeListener listener;
TypeListenerBinding(
Object source, TypeListener listener, Matcher> typeMatcher) {
this.source = source;
this.listener = listener;
this.typeMatcher = typeMatcher;
}
/** Returns the registered listener. */
public TypeListener getListener() {
return listener;
}
/** Returns the type matcher which chooses which types the listener should be notified of. */
public Matcher> getTypeMatcher() {
return typeMatcher;
}
@Override
public Object getSource() {
return source;
}
@Override
public T acceptVisitor(ElementVisitor visitor) {
return visitor.visit(this);
}
@Override
public void applyTo(Binder binder) {
binder.withSource(getSource()).bindListener(typeMatcher, listener);
}
}