| /** |
| * 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.openejb.util; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| import org.apache.openejb.loader.SystemInstance; |
| import org.apache.xbean.recipe.ObjectRecipe; |
| import org.apache.xbean.recipe.Option; |
| |
| public final class ObjectRecipeHelper { |
| private ObjectRecipeHelper() { |
| // no-op |
| } |
| |
| public static Object createMeFromSystemProps(final String prefix, final String suffix, final Class<?> clazz) { |
| final Properties props = SystemInstance.get().getProperties(); |
| final Map<String, Object> usedOnes = new HashMap<String, Object>(); |
| |
| for (Map.Entry<Object, Object> entry : props.entrySet()) { |
| final String key = entry.getKey().toString(); |
| if (prefix != null && !key.startsWith(prefix)) { |
| continue; |
| } |
| if (suffix != null && !key.endsWith(suffix)) { |
| continue; |
| } |
| |
| String newKey = key; |
| if (prefix != null) { |
| newKey = newKey.substring(prefix.length()); |
| } |
| if (suffix != null) { |
| newKey = newKey.substring(0, newKey.length() - suffix.length()); |
| } |
| usedOnes.put(newKey, entry.getValue()); |
| } |
| |
| final ObjectRecipe recipe = new ObjectRecipe(clazz); |
| recipe.allow(Option.CASE_INSENSITIVE_PROPERTIES); |
| recipe.allow(Option.IGNORE_MISSING_PROPERTIES); |
| recipe.allow(Option.PRIVATE_PROPERTIES); |
| recipe.allow(Option.FIELD_INJECTION); |
| recipe.allow(Option.NAMED_PARAMETERS); |
| recipe.setAllProperties(usedOnes); |
| return recipe.create(); |
| } |
| } |