/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.xbean.recipe;
import java.util.Collections;
import java.util.List;
import java.lang.reflect.Type;
import org.apache.xbean.recipe.AbstractRecipe;
import org.apache.xbean.recipe.ConstructionException;
import org.apache.xbean.recipe.ExecutionContext;
import org.apache.xbean.recipe.NoSuchObjectException;
import org.apache.xbean.recipe.Recipe;
import org.apache.xbean.recipe.RecipeHelper;
/*
* The ReferenceNameRecipe is used to inject the reference name into the object (as a String).
* The ReferenceNameRecipe ensures the actual reference object exists before the reference name is injected.
*/
public class ReferenceNameRecipe extends AbstractRecipe {
private String referenceName;
public ReferenceNameRecipe(String referenceName) {
this.referenceName = referenceName;
}
public String getReferenceName() {
return referenceName;
}
private Object getReference() {
if (referenceName == null) {
throw new ConstructionException("Reference name has not been set");
}
ExecutionContext context = ExecutionContext.getContext();
if (!context.containsObject(referenceName)) {
throw new NoSuchObjectException(referenceName);
}
return context.getObject(referenceName);
}
public List<Recipe> getNestedRecipes() {
Object object = getReference();
if (object instanceof Recipe) {
Recipe recipe = (Recipe) object;
return Collections.singletonList(recipe);
} else {
return Collections.emptyList();
}
}
public List<Recipe> getConstructorRecipes() {
return getNestedRecipes();
}
public boolean canCreate(Type type) {
Object object = getReference();
return String.class == RecipeHelper.toClass(type);
}
protected Object internalCreate(Type expectedType, boolean lazyRefAllowed) throws ConstructionException {
Object object = getReference();
return referenceName;
}
}