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    
023    public class UnsetPropertiesRecipe extends AbstractSecretRecipe {
024        public float getPriority() {
025            return 100;
026        }
027    
028        public boolean canCreate(Class type, ClassLoader classLoader) {
029            return type.isAssignableFrom(Properties.class);
030        }
031    
032        public Object create(Recipe outerRecipe, ClassLoader classLoader) throws ConstructionException {
033            if (!(outerRecipe instanceof ObjectRecipe)) {
034                throw new ConstructionException("UnsetPropertiesRecipe can only be nested in an ObjectRecipe: outerRecipe=" + outerRecipe);
035            }
036            ObjectRecipe objectRecipe = (ObjectRecipe) outerRecipe;
037            Map<String,Object> unsetProperties = objectRecipe.getUnsetProperties();
038    
039            // copy to a properties object
040            Properties properties = new Properties();
041            for (Map.Entry<String, Object> entry : unsetProperties.entrySet()) {
042                properties.put(entry.getKey(), entry.getValue());
043            }
044            return properties;
045        }
046    }