/*
* Copyright 2014 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.component;
import com.google.common.collect.Maps;
import org.gradle.api.component.Artifact;
import org.gradle.api.component.Component;
import java.util.Map;
public class DefaultComponentTypeRegistry implements ComponentTypeRegistry {
private final Map<Class<? extends Component>, ComponentTypeRegistration> componentRegistrations = Maps.newHashMap();
public ComponentTypeRegistration maybeRegisterComponentType(Class<? extends Component> componentType) {
ComponentTypeRegistration registration = componentRegistrations.get(componentType);
if (registration == null) {
registration = new DefaultComponentTypeRegistration(componentType);
componentRegistrations.put(componentType, registration);
}
return registration;
}
public ComponentTypeRegistration getComponentRegistration(Class<? extends Component> componentType) {
ComponentTypeRegistration registration = componentRegistrations.get(componentType);
if (registration == null) {
throw new IllegalArgumentException(String.format("Not a registered component type: %s.", componentType.getName()));
}
return registration;
}
private static class DefaultComponentTypeRegistration implements ComponentTypeRegistration {
private final Class<? extends Component> componentType;
private final Map<Class<? extends Artifact>, ArtifactType> typeRegistrations = Maps.newHashMap();
private DefaultComponentTypeRegistration(Class<? extends Component> componentType) {
this.componentType = componentType;
}
public ArtifactType getArtifactType(Class<? extends Artifact> artifact) {
ArtifactType type = typeRegistrations.get(artifact);
if (type == null) {
throw new IllegalArgumentException(String.format("Artifact type %s is not registered for component type %s.", artifact.getName(), componentType.getName()));
}
return type;
}
public ComponentTypeRegistration registerArtifactType(Class<? extends Artifact> artifact, ArtifactType artifactType) {
if (typeRegistrations.containsKey(artifact)) {
throw new IllegalStateException(String.format("Artifact type %s is already registered for component type %s.", artifact.getName(), componentType.getName()));
}
typeRegistrations.put(artifact, artifactType);
return this;
}
}
}