/*
* Copyright 2002-2016 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.springframework.tests.beans;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.parsing.AliasDefinition;
import org.springframework.beans.factory.parsing.ComponentDefinition;
import org.springframework.beans.factory.parsing.DefaultsDefinition;
import org.springframework.beans.factory.parsing.ImportDefinition;
import org.springframework.beans.factory.parsing.ReaderEventListener;
/**
* @author Rob Harrop
* @author Juergen Hoeller
*/
public class CollectingReaderEventListener implements ReaderEventListener {
private final List<DefaultsDefinition> defaults = new LinkedList<>();
private final Map<String, ComponentDefinition> componentDefinitions = new LinkedHashMap<>(8);
private final Map<String, List<AliasDefinition>> aliasMap = new LinkedHashMap<>(8);
private final List<ImportDefinition> imports = new LinkedList<>();
@Override
public void defaultsRegistered(DefaultsDefinition defaultsDefinition) {
this.defaults.add(defaultsDefinition);
}
public List<DefaultsDefinition> getDefaults() {
return Collections.unmodifiableList(this.defaults);
}
@Override
public void componentRegistered(ComponentDefinition componentDefinition) {
this.componentDefinitions.put(componentDefinition.getName(), componentDefinition);
}
public ComponentDefinition getComponentDefinition(String name) {
return this.componentDefinitions.get(name);
}
public ComponentDefinition[] getComponentDefinitions() {
Collection<ComponentDefinition> collection = this.componentDefinitions.values();
return collection.toArray(new ComponentDefinition[collection.size()]);
}
@Override
public void aliasRegistered(AliasDefinition aliasDefinition) {
List<AliasDefinition> aliases = this.aliasMap.get(aliasDefinition.getBeanName());
if (aliases == null) {
aliases = new ArrayList<>();
this.aliasMap.put(aliasDefinition.getBeanName(), aliases);
}
aliases.add(aliasDefinition);
}
public List<AliasDefinition> getAliases(String beanName) {
List<AliasDefinition> aliases = this.aliasMap.get(beanName);
return (aliases != null ? Collections.unmodifiableList(aliases) : null);
}
@Override
public void importProcessed(ImportDefinition importDefinition) {
this.imports.add(importDefinition);
}
public List<ImportDefinition> getImports() {
return Collections.unmodifiableList(this.imports);
}
}