| /* |
| * 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.uima.fit.spring; |
| |
| import java.lang.reflect.Constructor; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.resource.impl.ResourceManager_impl; |
| import org.apache.uima.resource.metadata.ResourceManagerConfiguration; |
| import org.apache.uima.util.Level; |
| import org.springframework.beans.BeansException; |
| import org.springframework.beans.PropertyAccessorFactory; |
| import org.springframework.beans.factory.BeanFactoryUtils; |
| import org.springframework.context.ApplicationContext; |
| import org.springframework.context.ApplicationContextAware; |
| |
| /** |
| * Allowing UIMA components to access beans from a {@link ApplicationContext context}. |
| * |
| */ |
| public class SpringContextResourceManager extends ResourceManager_impl implements |
| ApplicationContextAware { |
| private ApplicationContext context; |
| |
| private boolean autowireEnabled = false; |
| |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| @Override |
| public void initializeExternalResources(ResourceManagerConfiguration aConfiguration, |
| String aQualifiedContextName, java.util.Map<String, Object> aAdditionalParams) |
| throws ResourceInitializationException { |
| |
| for (String name : BeanFactoryUtils.beanNamesIncludingAncestors(context)) { |
| Object registration = mInternalResourceRegistrationMap.get(name); |
| |
| if (registration == null) { |
| try { |
| // Register resource |
| ResourceRegistration reg = new ResourceRegistration(context.getBean(name), null, |
| aQualifiedContextName); |
| ((Map) mInternalResourceRegistrationMap).put(name, reg); |
| |
| // Perform binding |
| if (isAutowireEnabled()) { |
| mResourceMap.put(aQualifiedContextName + name, context.getBean(name)); |
| } |
| } catch (Exception e1) { |
| throw new ResourceInitializationException(e1); |
| } |
| } else { |
| try { |
| Object desc = getFieldValue(registration, "description"); |
| |
| if (desc != null) { |
| String definingContext = getFieldValue(registration, "definingContext"); |
| |
| if (aQualifiedContextName.startsWith(definingContext)) { |
| UIMAFramework.getLogger().logrb(Level.CONFIG, ResourceManager_impl.class.getName(), |
| "initializeExternalResources", LOG_RESOURCE_BUNDLE, |
| "UIMA_overridden_resource__CONFIG", |
| new Object[] { name, aQualifiedContextName, definingContext }); |
| } else { |
| UIMAFramework.getLogger().logrb(Level.WARNING, ResourceManager_impl.class.getName(), |
| "initializeExternalResources", LOG_RESOURCE_BUNDLE, |
| "UIMA_duplicate_resource_name__WARNING", |
| new Object[] { name, definingContext, aQualifiedContextName }); |
| } |
| } |
| } catch (Exception e1) { |
| throw new ResourceInitializationException(e1); |
| } |
| } |
| } |
| |
| super.initializeExternalResources(aConfiguration, aQualifiedContextName, aAdditionalParams); |
| } |
| |
| public void setApplicationContext(ApplicationContext aApplicationContext) throws BeansException { |
| context = aApplicationContext; |
| } |
| |
| /** |
| * Instantiate a non-visible class. |
| */ |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| private static <T> T newInstance(String aClassName, Object... aArgs) |
| throws ResourceInitializationException { |
| Constructor constr = null; |
| try { |
| Class<?> cl = Class.forName(aClassName); |
| |
| List<Class> types = new ArrayList<Class>(); |
| List<Object> values = new ArrayList<Object>(); |
| for (int i = 0; i < aArgs.length; i += 2) { |
| types.add((Class) aArgs[i]); |
| values.add(aArgs[i + 1]); |
| } |
| |
| constr = cl.getDeclaredConstructor(types.toArray(new Class[types.size()])); |
| constr.setAccessible(true); |
| return (T) constr.newInstance(values.toArray(new Object[values.size()])); |
| } catch (Exception e) { |
| throw new ResourceInitializationException(e); |
| } finally { |
| if (constr != null) { |
| constr.setAccessible(false); |
| } |
| } |
| } |
| |
| /** |
| * Get a field value from a non-visible field. |
| */ |
| @SuppressWarnings("unchecked") |
| private static <T> T getFieldValue(Object aObject, String aFieldName) { |
| return (T) PropertyAccessorFactory.forDirectFieldAccess(aObject).getPropertyValue(aFieldName); |
| } |
| |
| public void setAutowireEnabled(boolean aAutowireEnabled) { |
| autowireEnabled = aAutowireEnabled; |
| } |
| |
| public boolean isAutowireEnabled() { |
| return autowireEnabled; |
| } |
| } |