diff --git a/core/src/main/java/com/opensymphony/xwork2/inject/InitializableFactory.java b/core/src/main/java/com/opensymphony/xwork2/inject/InitializableFactory.java new file mode 100644 index 000000000..0994ace88 --- /dev/null +++ b/core/src/main/java/com/opensymphony/xwork2/inject/InitializableFactory.java @@ -0,0 +1,56 @@ +/* + * 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 com.opensymphony.xwork2.inject; + +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +class InitializableFactory implements InternalFactory { + + private static final Logger LOG = LogManager.getLogger(InitializableFactory.class); + + private InternalFactory internalFactory; + + private InitializableFactory(InternalFactory internalFactory) { + this.internalFactory = internalFactory; + } + + public static InternalFactory wrapIfNeeded(InternalFactory internalFactory) { + if (Initializable.class.isAssignableFrom(internalFactory.type())) { + return new InitializableFactory<>(internalFactory); + } + return internalFactory; + } + + @Override + public T create(InternalContext context) { + T instance = internalFactory.create(context); + if (Initializable.class.isAssignableFrom(instance.getClass())) { + Initializable.class.cast(instance).init(); + } else { + LOG.error("Class {} is not marked as {}!", internalFactory.getClass().getName(), Initializable.class.getName()); + } + return instance; + } + + @Override + public Class type() { + return internalFactory.type(); + } +}