/*
* Copyright 2013 the original author or authors.
*
* 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 org.gradle.api.internal;
import groovy.lang.Closure;
import org.gradle.api.*;
import org.gradle.internal.Cast;
import org.gradle.internal.reflect.Instantiator;
import org.gradle.model.internal.core.NamedEntityInstantiator;
import java.util.Set;
public class DefaultPolymorphicDomainObjectContainer<T> extends AbstractPolymorphicDomainObjectContainer<T>
implements ExtensiblePolymorphicDomainObjectContainer<T> {
protected final DefaultPolymorphicNamedEntityInstantiator<T> namedEntityInstantiator;
public DefaultPolymorphicDomainObjectContainer(Class<T> type, Instantiator instantiator, Namer<? super T> namer) {
super(type, instantiator, namer);
namedEntityInstantiator = new DefaultPolymorphicNamedEntityInstantiator<T>(type, "this container");
}
public DefaultPolymorphicDomainObjectContainer(Class<T> type, Instantiator instantiator) {
this(type, instantiator, Named.Namer.forType(type));
}
@Override
public NamedEntityInstantiator<T> getEntityInstantiator() {
return namedEntityInstantiator;
}
protected T doCreate(String name) {
try {
return namedEntityInstantiator.create(name, getType());
} catch (InvalidUserDataException e) {
if (e.getCause() instanceof NoFactoryRegisteredForTypeException) {
throw new InvalidUserDataException(String.format("Cannot create a %s named '%s' because this container "
+ "does not support creating elements by name alone. Please specify which subtype of %s to create. "
+ "Known subtypes are: %s", getTypeDisplayName(), name, getTypeDisplayName(), namedEntityInstantiator.getSupportedTypeNames()));
} else {
throw e;
}
}
}
protected <U extends T> U doCreate(String name, Class<U> type) {
return namedEntityInstantiator.create(name, type);
}
public <U extends T> void registerDefaultFactory(NamedDomainObjectFactory<U> factory) {
Class<T> castType = Cast.uncheckedCast(getType());
registerFactory(castType, factory);
}
public <U extends T> void registerFactory(Class<U> type, NamedDomainObjectFactory<? extends U> factory) {
namedEntityInstantiator.registerFactory(type, factory);
}
public <U extends T> void registerFactory(Class<U> type, final Closure<? extends U> factory) {
registerFactory(type, new NamedDomainObjectFactory<U>() {
public U create(String name) {
return factory.call(name);
}
});
}
public <U extends T> void registerBinding(Class<U> type, final Class<? extends U> implementationType) {
registerFactory(type, new NamedDomainObjectFactory<U>() {
boolean named = Named.class.isAssignableFrom(implementationType);
public U create(String name) {
return named ? getInstantiator().newInstance(implementationType, name)
: getInstantiator().newInstance(implementationType);
}
});
}
public Set<? extends Class<? extends T>> getCreateableTypes() {
return namedEntityInstantiator.getCreatableTypes();
}
}