com.opensymphony.xwork2.inject.InternalContext 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.opensymphony.xwork2.inject;
import java.util.HashMap;
import java.util.Map;
/**
* Internal context. Used to coordinate injections and support circular
* dependencies.
*
* @author [email protected] (Bob Lee)
*/
class InternalContext {
final ContainerImpl container;
final Map> constructionContexts = new HashMap>();
Scope.Strategy scopeStrategy;
ExternalContext externalContext;
InternalContext(ContainerImpl container) {
this.container = container;
}
public Container getContainer() {
return container;
}
ContainerImpl getContainerImpl() {
return container;
}
Scope.Strategy getScopeStrategy() {
if (scopeStrategy == null) {
scopeStrategy = (Scope.Strategy) container.localScopeStrategy.get();
if (scopeStrategy == null) {
throw new IllegalStateException("Scope strategy not set. Please call Container.setScopeStrategy().");
}
}
return scopeStrategy;
}
@SuppressWarnings("unchecked")
ConstructionContext getConstructionContext(Object key) {
ConstructionContext constructionContext = (ConstructionContext) constructionContexts.get(key);
if (constructionContext == null) {
constructionContext = new ConstructionContext();
constructionContexts.put(key, constructionContext);
}
return constructionContext;
}
@SuppressWarnings("unchecked")
ExternalContext getExternalContext() {
return (ExternalContext) externalContext;
}
void setExternalContext(ExternalContext externalContext) {
this.externalContext = externalContext;
}
}