001    /**
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     *  Unless required by applicable law or agreed to in writing, software
013     *  distributed under the License is distributed on an "AS IS" BASIS,
014     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     *  See the License for the specific language governing permissions and
016     *  limitations under the License.
017     */
018    package org.apache.xbean.recipe;
019    
020    import java.util.Map;
021    import java.util.Properties;
022    import java.lang.reflect.Type;
023    
024    public class AllPropertiesRecipe extends AbstractRecipe {
025        public boolean canCreate(Type type) {
026            return RecipeHelper.isAssignable(type, Properties.class);
027        }
028    
029        protected Object internalCreate(Type expectedType, boolean lazyRefAllowed) throws ConstructionException {
030            Recipe outerRecipe = RecipeHelper.getCaller();
031            if (!(outerRecipe instanceof ObjectRecipe)) {
032                throw new ConstructionException("UnsetPropertiesRecipe can only be nested in an ObjectRecipe: outerRecipe=" + outerRecipe);
033            }
034            ObjectRecipe objectRecipe = (ObjectRecipe) outerRecipe;
035            Map<String,Object> allProperties = objectRecipe.getProperties();
036    
037            // copy to a properties object
038            Properties properties = new Properties();
039            for (Map.Entry<String, Object> entry : allProperties.entrySet()) {
040                properties.put(entry.getKey(), entry.getValue());
041            }
042    
043            // add to execution context if name is specified
044            if (getName() != null) {
045                ExecutionContext.getContext().addObject(getName(), properties);
046            }
047            
048            return properties;
049        }
050    }