INT-3415 Add apply-sequence to xpath-splitter

JIRA: https://jira.spring.io/browse/INT-3415

* Add `XPathSplitterParserTests`

XSD Doc Polishing

spring-integration-xml/src/test/java/org/springframework/integration/xml/config/XPathSplitterParserTests-context.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans:beans xmlns="http://www.springframework.org/schema/integration/xml"
+	xmlns:beans="http://www.springframework.org/schema/beans"
+	xmlns:si="http://www.springframework.org/schema/integration"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+			http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/integration
+			http://www.springframework.org/schema/integration/spring-integration.xsd
+			http://www.springframework.org/schema/integration/xml
+			http://www.springframework.org/schema/integration/xml/spring-integration-xml.xsd">
+
+	<si:channel id="output">
+		<si:queue/>
+	</si:channel>
+
+	<xpath-splitter id="xpathSplitter" input-channel="input" apply-sequence="false" create-documents="true">
+		<xpath-expression expression="/orders/order"/>
+	</xpath-splitter>
+
+</beans:beans>

spring-integration-xml/src/test/java/org/springframework/integration/xml/config/XPathSplitterParserTests.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * 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 org.springframework.integration.xml.config;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.integration.test.util.TestUtils;
+import org.springframework.messaging.MessageHandler;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author Artem Bilan
+ */
+@ContextConfiguration
+@RunWith(SpringJUnit4ClassRunner.class)
+public class XPathSplitterParserTests {
+
+	@Autowired @Qualifier("xpathSplitter.handler")
+	private MessageHandler xpathSplitter;
+
+	@Test
+	public void testXpathSplitterConfig() {
+		assertTrue(TestUtils.getPropertyValue(this.xpathSplitter, "createDocuments", Boolean.class));
+		assertFalse(TestUtils.getPropertyValue(this.xpathSplitter, "applySequence", Boolean.class));
+		assertEquals("/orders/order",
+				TestUtils.getPropertyValue(this.xpathSplitter,
+						"xpathExpression.xpathExpression.xpath.m_patternString",
+						String.class));
+	}
+
+}