INT-1263, added more changes and tests related valdating MessageHistory in every module

spring-integration-xml/src/main/java/org/springframework/integration/xml/router/AbstractXPathRouter.java

@@ -99,5 +99,8 @@ public abstract class AbstractXPathRouter extends AbstractChannelNameResolvingMe
 	protected XPathExpression getXPathExpression() {
 		return this.xPathExpression;
 	}
-
+	
+	public String getComponentType(){
+		return "xml:xpath-router";
+	}
 }

spring-integration-xml/src/main/java/org/springframework/integration/xml/splitter/XPathMessageSplitter.java

@@ -164,5 +164,9 @@ public class XPathMessageSplitter extends AbstractMessageSplitter {
 			return this.documentBuilderFactory.newDocumentBuilder();
 		}
 	}
+	
+	public String getComponentType(){
+		return "xml:xpath-splitter";
+	}
 
 }

spring-integration-xml/src/main/java/org/springframework/integration/xml/transformer/XsltPayloadTransformer.java

@@ -16,7 +16,6 @@
 package org.springframework.integration.xml.transformer;
 
 import java.io.IOException;
-import java.util.HashMap;
 import java.util.Map;
 
 import javax.xml.parsers.ParserConfigurationException;
@@ -35,8 +34,6 @@ import org.apache.commons.logging.LogFactory;
 import org.springframework.context.expression.MapAccessor;
 import org.springframework.core.io.Resource;
 import org.springframework.expression.Expression;
-import org.springframework.expression.ExpressionParser;
-import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.integration.Message;
 import org.springframework.integration.MessageHeaders;
@@ -250,4 +247,7 @@ public class XsltPayloadTransformer extends AbstractTransformer {
 	public void setXsltParamHeaders(String[] xsltParamHeaders) {
 		this.xsltParamHeaders = xsltParamHeaders;
 	}
+	public String getComponentType(){
+		return "xml:xslt-transformer";
+	}
 }

spring-integration-xml/src/test/java/org/springframework/integration/xml/transformer/XsltTransformerTests.java

@@ -15,6 +15,8 @@
  */
 package org.springframework.integration.xml.transformer;
 
+import java.util.Properties;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -25,12 +27,14 @@ import org.springframework.integration.MessageChannel;
 import org.springframework.integration.channel.QueueChannel;
 import org.springframework.integration.history.MessageHistory;
 import org.springframework.integration.support.MessageBuilder;
+import org.springframework.integration.test.util.TestUtils;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 import static org.junit.Assert.assertFalse;
 
 import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertTrue;
 
 /**
@@ -56,7 +60,10 @@ public class XsltTransformerTests {
 		input.send(message);
 		Message<?> resultMessage = output.receive();
 		MessageHistory history = MessageHistory.read(resultMessage);
-		assertTrue(history.containsComponent("paramHeadersWithStartWildCharacter"));
+		assertNotNull(history);
+		Properties componentHistoryRecord = TestUtils.locateComponentInHistory(history, "paramHeadersWithStartWildCharacter", 0);
+		assertNotNull(componentHistoryRecord);
+		assertEquals("xml:xslt-transformer", componentHistoryRecord.get("type"));
 		assertEquals("Wrong payload type",String.class, resultMessage.getPayload().getClass());
 		assertTrue(((String) resultMessage.getPayload()).contains("testParamValue"));
 		assertFalse(((String) resultMessage.getPayload()).contains("FOO"));