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INT-1156 completed namespace support for XPath Transformer

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This commit is contained in:
Mark Fisher
2010-06-10 18:13:20 +00:00
parent ad8a45fec3
commit 070ae5ee96
6 changed files with 207 additions and 23 deletions
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12
spring-integration-xml/src/test/java/org/springframework/integration/xml/config/XPathTransformerParserTests-context.xml
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@@ -24,4 +24,16 @@
<xpath-transformer input-channel="nodeListInput" expression="/person/@*" evaluation-type="NODE_LIST_RESULT" output-channel="output"/>
<xpath-transformer input-channel="nodeMapperInput" expression="/person/@age" node-mapper="testNodeMapper" output-channel="output"/>
<xpath-transformer input-channel="customConverterInput" expression="/test/@type" converter="testXmlPayloadConverter" output-channel="output"/>
<xpath-transformer input-channel="expressionRefInput" expression-ref="testExpression" evaluation-type="NUMBER_RESULT" output-channel="output"/>
<xpath-expression id="testExpression" expression="/person/@age * 2"/>
<beans:bean id="testNodeMapper" class="org.springframework.integration.xml.config.XPathTransformerParserTests$TestNodeMapper"/>
<beans:bean id="testXmlPayloadConverter" class="org.springframework.integration.xml.config.XPathTransformerParserTests$TestXmlPayloadConverter"/>
</beans:beans>

69
spring-integration-xml/src/test/java/org/springframework/integration/xml/config/XPathTransformerParserTests.java
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@@ -19,19 +19,28 @@ package org.springframework.integration.xml.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.StringReader;
import java.util.List;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Source;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.integration.channel.PollableChannel;
import org.springframework.integration.core.Message;
import org.springframework.integration.core.MessageChannel;
import org.springframework.integration.message.MessageBuilder;
import org.springframework.integration.xml.XmlPayloadConverter;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.xml.xpath.NodeMapper;
/**
* @author Mark Fisher
@@ -56,6 +65,15 @@ public class XPathTransformerParserTests {
@Autowired
private MessageChannel nodeListInput;
@Autowired
private MessageChannel nodeMapperInput;
@Autowired
private MessageChannel customConverterInput;
@Autowired
private MessageChannel expressionRefInput;
@Autowired
private PollableChannel output;
@@ -99,4 +117,55 @@ public class XPathTransformerParserTests {
assertEquals(3, nodeList.size());
}
@Test
public void nodeMapper() {
this.nodeMapperInput.send(message);
assertEquals("42-mapped", output.receive(0).getPayload());
}
@Test
public void customConverter() {
this.customConverterInput.send(message);
assertEquals("custom", output.receive(0).getPayload());
}
@Test
public void expressionRef() {
this.expressionRefInput.send(message);
assertEquals(new Double(84), output.receive(0).getPayload());
}
@SuppressWarnings("unused")
private static class TestNodeMapper implements NodeMapper {
@Override
public Object mapNode(Node node, int nodeNum) throws DOMException {
return node.getTextContent() + "-mapped";
}
}
@SuppressWarnings("unused")
private static class TestXmlPayloadConverter implements XmlPayloadConverter {
public Source convertToSource(Object object) {
throw new UnsupportedOperationException();
}
public Node convertToNode(Object object) {
try {
return DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(
new InputSource(new StringReader("<test type='custom'/>")));
}
catch (Exception e) {
throw new IllegalStateException(e);
}
}
public Document convertToDocument(Object object) {
throw new UnsupportedOperationException();
}
}
}

47
spring-integration-xml/src/test/java/org/springframework/integration/xml/transformer/XPathTransformerTests.java
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@@ -19,17 +19,26 @@ package org.springframework.integration.xml.transformer;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.StringReader;
import java.util.List;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Source;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.springframework.integration.core.Message;
import org.springframework.integration.message.MessageBuilder;
import org.springframework.integration.xml.XmlPayloadConverter;
import org.springframework.integration.xml.xpath.XPathEvaluationType;
import org.springframework.xml.xpath.NodeMapper;
import org.springframework.xml.xpath.XPathExpression;
import org.springframework.xml.xpath.XPathExpressionFactory;
/**
* @author Mark Fisher
@@ -55,6 +64,14 @@ public class XPathTransformerTests {
assertEquals("test", result);
}
@Test
public void xpathExpressionReferenceConstructorInsteadOfString() throws Exception {
XPathExpression expression = XPathExpressionFactory.createXPathExpression("/parent/child/@name");
XPathTransformer transformer = new XPathTransformer(expression);
Object result = transformer.doTransform(message);
assertEquals("test", result);
}
@Test
public void numberResult() throws Exception {
XPathTransformer transformer = new XPathTransformer("/parent/child/@age");
@@ -111,6 +128,14 @@ public class XPathTransformerTests {
assertEquals("test-mapped", result);
}
@Test
public void customConverter() throws Exception {
XPathTransformer transformer = new XPathTransformer("/test/@type");
transformer.setConverter(new TestXmlPayloadConverter());
Object result = transformer.doTransform(message);
assertEquals("custom", result);
}
private static class TestNodeMapper implements NodeMapper {
@@ -120,4 +145,26 @@ public class XPathTransformerTests {
}
}
private static class TestXmlPayloadConverter implements XmlPayloadConverter {
public Source convertToSource(Object object) {
throw new UnsupportedOperationException();
}
public Node convertToNode(Object object) {
try {
return DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(
new InputSource(new StringReader("<test type='custom'/>")));
}
catch (Exception e) {
throw new IllegalStateException(e);
}
}
public Document convertToDocument(Object object) {
throw new UnsupportedOperationException();
}
}
}