nz.co.senanque.messaging.OrderReplyEndpoint.java Source code

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Here is the source code for nz.co.senanque.messaging.OrderReplyEndpoint.java

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/*******************************************************************************
 * Copyright (c)2014 Prometheus Consulting
 *
 * Licensed 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 nz.co.senanque.messaging;

import java.lang.reflect.InvocationTargetException;
import java.util.Iterator;

import nz.co.senanque.workflowtest.instances.Order;

import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.beanutils.PropertyUtils;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.Text;
import org.jdom.filter.ContentFilter;
import org.jdom.input.DOMBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.integration.IntegrationMessageHeaderAccessor;
import org.springframework.messaging.Message;

/**
 * @author Roger Parkinson
 * 
 */
public class OrderReplyEndpoint {

    private static final Logger log = LoggerFactory.getLogger(OrderEndpoint.class);

    public void issueResponseFor(Message<org.w3c.dom.Document> orderResponse) {
        log.debug("processed orderResponse: correlationId {}",
                orderResponse.getHeaders().get(IntegrationMessageHeaderAccessor.CORRELATION_ID, Long.class));
        org.w3c.dom.Document doc = orderResponse.getPayload();
        Document document = new DOMBuilder().build(doc);
        Element root = document.getRootElement();

        Order context = new Order();
        @SuppressWarnings("unchecked")
        Iterator<Text> itr = (Iterator<Text>) root
                .getDescendants(new ContentFilter(ContentFilter.TEXT | ContentFilter.CDATA));
        while (itr.hasNext()) {
            Text text = itr.next();
            log.debug("name {} value {}", text.getParentElement().getName(), text.getValue());

            String name = getName(text);
            try {
                Class<?> targetType = PropertyUtils.getPropertyType(context, name);
                Object value = ConvertUtils.convert(text.getValue(), targetType);
                PropertyUtils.setProperty(context, name, value);
            } catch (IllegalAccessException e) {
                // Ignore these and move on
                log.debug("{} {}", name, e.getMessage());
            } catch (InvocationTargetException e) {
                // Ignore these and move on
                log.debug("{} {}", name, e.getMessage());
            } catch (NoSuchMethodException e) {
                // Ignore these and move on
                log.debug("{} {}", name, e.getMessage());
            }
        }
    }

    private String getName(Text text) {
        Element parent = text.getParentElement();
        String xpath = parent.getAttributeValue("xpath");
        if (xpath != null) {
            return xpath;
        }
        return parent.getName();
    }

}