INT-1380 added file sample
This commit is contained in:
Oleg Zhurakousky
32
getting-started/xml/src/main/java/log4j.xml
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32
getting-started/xml/src/main/java/log4j.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
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<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
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<!-- Appenders -->
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<appender name="console" class="org.apache.log4j.ConsoleAppender">
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<param name="Target" value="System.out" />
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<layout class="org.apache.log4j.PatternLayout">
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<param name="ConversionPattern" value="%-5p: %c - %m%n" />
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</layout>
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</appender>
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<!-- Loggers -->
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<logger name="org.springframework">
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<level value="warn" />
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</logger>
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<logger name="org.springframework.integration">
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<level value="warn" />
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</logger>
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<logger name="org.springframework.integration.xml">
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<level value="warn" />
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</logger>
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<!-- Root Logger -->
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<root>
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<priority value="warn" />
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<appender-ref ref="console" />
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</root>
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</log4j:configuration>
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.xml;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.w3c.dom.Document;
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import org.springframework.context.support.AbstractApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.core.io.Resource;
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import org.springframework.integration.MessageChannel;
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import org.springframework.integration.message.GenericMessage;
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/**
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* This example demonstrates the processing of an order for books using
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* several of the components provided by the Spring Integration Xml
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* module for dealing with Xml payloads. This includes:
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*
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* <ul>
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* <li>an XPath based implementation of the splitter pattern to split an
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* order with multiple items into several order messages for separate
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* processing.</li>
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* <li>XPath expression namespace support to build an XPath expression to
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* extract the isbn from each order item.</li>
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* <li>an XPath router implementation to route messages according to the
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* evaluation of an XPath expression which tests to see if the order item is in
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* stock.</li>
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* <li>an XSLT transformer implementation to transform the payload of the
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* order message into a resupply message where the order item is found to be
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* out of stock.</li>
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* </ul>
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*
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* @author Jonas Partner
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*/
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public class BookOrderProcessingSample {
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public static void main(String[] args) throws Exception {
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AbstractApplicationContext applicationContext = new ClassPathXmlApplicationContext("orderProcessingSample.xml",
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BookOrderProcessingSample.class);
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MessageChannel messageChannel = (MessageChannel) applicationContext.getBean("ordersChannel");
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GenericMessage<Document> orderMessage = createXmlMessageFromResource("org/springframework/integration/samples/xml/order.xml");
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messageChannel.send(orderMessage);
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applicationContext.close();
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}
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private static GenericMessage<Document> createXmlMessageFromResource(String path) throws Exception {
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Resource orderRes = new ClassPathResource(path);
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DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
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builderFactory.setNamespaceAware(true);
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DocumentBuilder builder = builderFactory.newDocumentBuilder();
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Document orderDoc = builder.parse(orderRes.getInputStream());
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return new GenericMessage<Document>(orderDoc);
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}
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}
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.xml;
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import org.w3c.dom.Document;
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public class ExternalResupply {
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public void orderResupply(Document resupplyOrder) {
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System.out.println("Placing resupply order: " + XmlUtil.docAsString(resupplyOrder));
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}
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}
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.xml;
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import org.w3c.dom.Document;
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import org.springframework.xml.xpath.XPathExpression;
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/**
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* @author Jonas Partner
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*/
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public class StockChecker {
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private final XPathExpression isbnSelectingXPath;
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public StockChecker(XPathExpression isbnSelectingXPath) {
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this.isbnSelectingXPath = isbnSelectingXPath;
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}
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public Document checkStockLevel(Document doc) {
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String isbn = isbnSelectingXPath.evaluateAsString(doc);
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boolean inStock = false;
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// we only carry stock of one book currently
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if ("0321200683".equals(isbn)) {
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inStock = true;
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}
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doc.getDocumentElement().setAttribute("in-stock", String.valueOf(inStock));
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return doc;
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}
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}
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.xml;
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import org.w3c.dom.Document;
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public class WarehouseDispatch {
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public void dispatch(Document orderItem){
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System.out.println("Warehouse dispatching orderItem: " + XmlUtil.docAsString(orderItem));
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}
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}
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.xml;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMSource;
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import org.w3c.dom.Document;
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import org.springframework.xml.transform.StringResult;
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/**
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* @author Jonas Partner
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*/
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public class XmlUtil {
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public static String docAsString(Document doc) {
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try {
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StringResult res = new StringResult();
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Transformer transformer = TransformerFactory.newInstance().newTransformer();
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transformer.transform(new DOMSource(doc), res);
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return res.toString();
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}
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catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:sb="http://www.example.org/orders"
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xmlns:bb="http://www.example.org/orders-bigbooks">
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<xsl:template match="/sb:orderItem" >
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<bb:bigBooksOrder>
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<bb:order>
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<bb:purchaser>smallbooks</bb:purchaser>
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<bb:quantity>5</bb:quantity>
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<bb:isbn>
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<xsl:value-of select="./sb:isbn/text()"/>
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</bb:isbn>
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</bb:order>
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</bb:bigBooksOrder>
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</xsl:template>
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</xsl:stylesheet>
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<?xml version="1.0" encoding="UTF-8"?>
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<order xmlns="http://www.example.org/orders">
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<orderItem>
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<isbn>0321200683</isbn>
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<quantity>2</quantity>
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</orderItem>
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<orderItem>
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<isbn>1590596439</isbn>
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<quantity>1</quantity>
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</orderItem>
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</order>
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:si-xml="http://www.springframework.org/schema/integration/xml"
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xmlns:si="http://www.springframework.org/schema/integration" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:util="http://www.springframework.org/schema/util"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/integration
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http://www.springframework.org/schema/integration/spring-integration.xsd
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http://www.springframework.org/schema/integration/xml
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http://www.springframework.org/schema/integration/xml/spring-integration-xml.xsd
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http://www.springframework.org/schema/util
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http://www.springframework.org/schema/util/spring-util.xsd">
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<si:channel id="ordersChannel" />
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<si:channel id="stockCheckerChannel" />
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<si:channel id="orderRoutingChannel" />
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<si:channel id="warehouseDispatchChannel" />
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<si:channel id="outOfStockChannel" />
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<si:channel id="resupplyOrderChannel" />
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<!-- map of namespace prefix to URI -->
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<util:map id="orderNamespaceMap">
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<entry key="orderNs" value="http://www.example.org/orders" />
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<entry key="productNs" value="http://www.example.org/prodcuts" />
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</util:map>
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<!-- split the inbound order into a number of orderItem documents that can be processed separately -->
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<si-xml:xpath-splitter id="orderItemSplitter" input-channel="ordersChannel" output-channel="stockCheckerChannel" create-documents="true">
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<si-xml:xpath-expression expression="/orderNs:order/orderNs:orderItem" namespace-map="orderNamespaceMap" />
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</si-xml:xpath-splitter>
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<!-- if each order -->
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<si:service-activator input-channel="stockCheckerChannel" output-channel="orderRoutingChannel">
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<bean class="org.springframework.integration.samples.xml.StockChecker">
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<constructor-arg ref="selectIsbnXpath" />
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</bean>
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</si:service-activator>
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<si-xml:xpath-expression id="selectIsbnXpath" namespace-map="orderNamespaceMap" expression="/orderNs:orderItem/orderNs:isbn/text()" />
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<!-- if in stock route to the warehouse else route to the out of stock channel -->
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<si-xml:xpath-router id="instockRouter" channel-resolver="mapChannelResolver"
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input-channel="orderRoutingChannel" resolution-required="true">
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<si-xml:xpath-expression expression="/orderNs:orderItem/@in-stock" namespace-map="orderNamespaceMap" />
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</si-xml:xpath-router>
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<bean id="mapChannelResolver" class="org.springframework.integration.channel.MapBasedChannelResolver">
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<property name="channelMap">
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<map>
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<entry key="true" value-ref="warehouseDispatchChannel" />
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<entry key="false" value-ref="outOfStockChannel" />
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</map>
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</property>
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</bean>
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<!-- dispatch order if in stock -->
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<si:outbound-channel-adapter method="dispatch" channel="warehouseDispatchChannel">
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<bean class="org.springframework.integration.samples.xml.WarehouseDispatch" />
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</si:outbound-channel-adapter>
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<!-- convert the order item to a format that can be understood by BigBooks the wholesaler -->
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<si-xml:xslt-transformer input-channel="outOfStockChannel" output-channel="resupplyOrderChannel"
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xsl-resource="classpath:org/springframework/integration/samples/xml/bigBooksSupplierTransformer.xsl"/>
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<!-- send the resupply order -->
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<si:outbound-channel-adapter method="orderResupply" channel="resupplyOrderChannel">
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<bean class="org.springframework.integration.samples.xml.ExternalResupply" />
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</si:outbound-channel-adapter>
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</beans>
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