    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *     http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.jxpath.ri.model.dynamic;
    019
    020import java.util.Locale;
    021
    022import org.apache.commons.jxpath.DynamicPropertyHandler;
    023import org.apache.commons.jxpath.JXPathBeanInfo;
    024import org.apache.commons.jxpath.JXPathIntrospector;
    025import org.apache.commons.jxpath.ri.QName;
    026import org.apache.commons.jxpath.ri.model.NodePointer;
    027import org.apache.commons.jxpath.ri.model.NodePointerFactory;
    028import org.apache.commons.jxpath.ri.model.beans.NullPointer;
    029import org.apache.commons.jxpath.util.ValueUtils;
    030
    031/**
    032 * Implements NodePointerFactory for Dynamic classes like Map.
    033 */
    034public class DynamicPointerFactory implements NodePointerFactory {
    035
    036    /**
    037     * Factory order constant.
    038     */
    039    public static final int DYNAMIC_POINTER_FACTORY_ORDER = 800;
    040
    041    /**
    042     * Constructs a new instance.
    043     */
    044    public DynamicPointerFactory() {
    045        // empty
    046    }
    047
    048    @Override
    049    public NodePointer createNodePointer(final NodePointer parent, final QName qName, final Object bean) {
    050        if (bean == null) {
    051            return new NullPointer(parent, qName);
    052        }
    053        final JXPathBeanInfo bi = JXPathIntrospector.getBeanInfo(bean.getClass());
    054        if (bi.isDynamic()) {
    055            final DynamicPropertyHandler handler = ValueUtils.getDynamicPropertyHandler(bi.getDynamicPropertyHandlerClass());
    056            return new DynamicPointer(parent, qName, bean, handler);
    057        }
    058        return null;
    059    }
    060
    061    @Override
    062    public NodePointer createNodePointer(final QName qName, final Object bean, final Locale locale) {
    063        final JXPathBeanInfo bi = JXPathIntrospector.getBeanInfo(bean.getClass());
    064        if (bi.isDynamic()) {
    065            final DynamicPropertyHandler handler = ValueUtils.getDynamicPropertyHandler(bi.getDynamicPropertyHandlerClass());
    066            return new DynamicPointer(qName, bean, handler, locale);
    067        }
    068        return null;
    069    }
    070
    071    @Override
    072    public int getOrder() {
    073        return DYNAMIC_POINTER_FACTORY_ORDER;
    074    }
    075}