| /* |
| * 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.sling.models.impl.via; |
| |
| import java.beans.BeanInfo; |
| import java.beans.Introspector; |
| import java.beans.PropertyDescriptor; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.sling.models.annotations.ViaProviderType; |
| import org.apache.sling.models.annotations.via.BeanProperty; |
| import org.apache.sling.models.spi.ViaProvider; |
| import org.osgi.service.component.annotations.Component; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Component(service=ViaProvider.class) |
| public class BeanPropertyViaProvider implements ViaProvider { |
| |
| private static final Logger log = LoggerFactory.getLogger(BeanPropertyViaProvider.class); |
| |
| @Override |
| public Class<? extends ViaProviderType> getType() { |
| return BeanProperty.class; |
| } |
| |
| @Override |
| public Object getAdaptable(Object original, String value) { |
| if (StringUtils.isBlank(value)) { |
| return ORIGINAL; |
| } |
| |
| // support nested values, e.g. requestPathInfo.suffixResource.path |
| if (StringUtils.contains(value, '.')) { |
| String[] parts = StringUtils.split(value, ".", 2); |
| Object adaptable = getAdaptable(original, parts[0]); |
| return getAdaptable(adaptable, parts[1]); |
| } |
| |
| try { |
| BeanInfo beanInfo = Introspector.getBeanInfo(original.getClass()); |
| for (PropertyDescriptor desc : beanInfo.getPropertyDescriptors()) { |
| if (desc.getName().equals(value)) { |
| return desc.getReadMethod().invoke(original); |
| } |
| } |
| } catch (Exception e) { |
| log.error("Unable to execution projection " + value, e); |
| } |
| return null; |
| } |
| } |