| /* |
| * 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.openjpa.datacache; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.openjpa.conf.OpenJPAConfiguration; |
| |
| class Caches { |
| |
| /** |
| * Utility to build up a set of classes from their class names |
| * when operating outside the context of a persistence manager. |
| * The set classes can be null, in which case a new Set will be created. |
| */ |
| static Set<Class<?>> addTypesByName(OpenJPAConfiguration conf, |
| Collection<String> classNames, Set<Class<?>> classes) { |
| if (classNames == null || classNames.isEmpty()) |
| return classes; |
| |
| ClassLoader loader = conf.getClassResolverInstance().getClassLoader(null, null); |
| |
| Class<?> cls; |
| for (String className : classNames) { |
| try { |
| cls = Class.forName(className, true, loader); |
| if (classes == null) |
| classes = new HashSet<>(); |
| classes.add(cls); |
| } catch (Throwable t) { |
| conf.getLog(OpenJPAConfiguration.LOG_RUNTIME).warn(null, t); |
| } |
| } |
| return classes; |
| } |
| } |