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Add optional value support #11

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Jul 14, 2023
Merged

Add optional value support #11

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2 changes: 1 addition & 1 deletion pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@

<groupId>org.wso2</groupId>
<artifactId>soaptorest</artifactId>
<version>1.3</version>
<version>1.4</version>

<dependencies>
<dependency>
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10 changes: 10 additions & 0 deletions src/main/java/org/wso2/soaptorest/OASGenerator.java
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Expand Up @@ -30,6 +30,7 @@
import org.wso2.soaptorest.utils.SOAPToRESTConstants;

import javax.xml.namespace.QName;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
Expand Down Expand Up @@ -265,6 +266,15 @@ private static void processXSSequence(XSSequence xsSequence, Schema<?> parentSch
for (XSElement xsElement : xsElementList) {
Schema<?> innerSchema = getSchemaForXSElement(xsElement, isElementFormDefaultQualified);
if (innerSchema != null) {
// if element is not optional, add it to the required list of parent schema
boolean isRef = xsElement.getRefKey() != null && xsElement.getName() == null;
if (!xsElement.isOptional() && !isRef) {
if (parentSchema.getRequired() != null) {
parentSchema.getRequired().add(xsElement.getName().getLocalPart());
} else {
parentSchema.setRequired(Arrays.asList(xsElement.getName().getLocalPart()));
}
}
parentSchema.addProperties(innerSchema.getName(), innerSchema);
}
}
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84 changes: 80 additions & 4 deletions src/main/java/org/wso2/soaptorest/SOAPRequestBodyGenerator.java
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Expand Up @@ -36,6 +36,7 @@
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.wso2.soaptorest.exceptions.SOAPToRESTException;
import org.wso2.soaptorest.models.SOAPRequestElement;
import org.wso2.soaptorest.models.SOAPtoRESTConversionData;
Expand All @@ -51,6 +52,11 @@
import java.util.List;
import java.util.Map;

import static org.wso2.soaptorest.utils.SOAPToRESTConstants.ATTRIBUTE_PLACEHOLDER;
import static org.wso2.soaptorest.utils.SOAPToRESTConstants.IF_PLACEHOLDER;
import static org.wso2.soaptorest.utils.SOAPToRESTConstants.IS_EMPTY_ATTRIBUTE;
import static org.wso2.soaptorest.utils.SOAPToRESTConstants.QUESTION_MARK_PLACEHOLDER;

/**
* Class that reads OpenAPI and generate soap request payloads
*/
Expand Down Expand Up @@ -116,6 +122,7 @@ public static SOAPtoRESTConversionData generateSOAPtoRESTConversionObjectFromOAS
}

List<Parameter> parameters = operation.getParameters();
Map<String,String> jsonPathAndSchemaMap = new HashMap<>();
if (parameters != null) {
for (Parameter parameter : parameters) {
String name = parameter.getName();
Expand All @@ -131,26 +138,77 @@ public static SOAPtoRESTConversionData generateSOAPtoRESTConversionObjectFromOAS
operation.getRequestBody().getContent().get(SOAPToRESTConstants.
DEFAULT_CONTENT_TYPE).getSchema();
Example example = ExampleBuilder.fromSchema(model, openAPI.getComponents().getSchemas());
parameterJsonPathMapping = ListJSONPaths.getJsonPathsFromExample(example);
parameterJsonPathMapping = ListJSONPaths.getJsonPathsFromExample(example, jsonPathAndSchemaMap);
} catch (Exception e) {
throw new SOAPToRESTException("Cannot generate JSON body from the OpenAPI", e);
}

}

Document soapRequestBody = createSOAPRequestXMLForOperation(parameterJsonPathMapping, queryParameters,
namespace, operationId, openAPI);
namespace, operationId, openAPI, jsonPathAndSchemaMap );

iterateChildNodes(soapRequestBody.getDocumentElement(), soapRequestBody);
requestBodies.put(operationId, new SOAPRequestElement(soapRequestBody, soapAction, namespace,
soapNamespace));
}
}
return new SOAPtoRESTConversionData(openAPI, requestBodies, soapService, soapPort);
}

/**
* Iterate through the given document and wrap the possible empty elements with <#if> statements.
* @param node Current node
* @param document Root document
*/
private static void iterateChildNodes(Node node, Document document) {
// Get the child nodes of the current node
NodeList childNodes = node.getChildNodes();

// Iterate over the child nodes
for (int i = 0; i < childNodes.getLength(); i++) {
Node childNode = childNodes.item(i);

// Check if the element has the attribute "addIsEmptyCheck" with value "true"
if (childNode instanceof Element) {
Element element = (Element) childNode;
if (element.hasAttribute(IS_EMPTY_ATTRIBUTE) &&
element.getAttribute(IS_EMPTY_ATTRIBUTE).equals("true")) {
// Create a new element <#if>
String value = element.getTextContent();
String nodeValue = element.getNodeName();
Element nextSibling = (Element) element.getNextSibling();

// copy the element without attributes
Element modified = document.createElement(nodeValue);
modified.setTextContent(value);

Element newElement = document.createElement(IF_PLACEHOLDER);
// remove ${} from the value and append has_content check
newElement.setAttribute(ATTRIBUTE_PLACEHOLDER, value.substring(2,value.length()-1) +
QUESTION_MARK_PLACEHOLDER + "has_content");
newElement.appendChild(modified);

Node parentNode = element.getParentNode();
parentNode.removeChild(element);
if (nextSibling == null) {
parentNode.appendChild(newElement);
} else {
parentNode.insertBefore(newElement, nextSibling);
}
iterateChildNodes(newElement, document);
}
}

// Recursively iterate child nodes of non-matched elements
if (childNode instanceof Element && !childNode.getNodeName().equals(IF_PLACEHOLDER)) {
iterateChildNodes(childNode, document);
}
}
}
private static Document createSOAPRequestXMLForOperation(ArrayList<String> parameterJsonPathMapping, Map<String,
String> queryPathParamMapping, String namespace, String operationId, OpenAPI openAPI) throws
SOAPToRESTException {
String> queryPathParamMapping, String namespace, String operationId, OpenAPI openAPI,
Map<String,String> jsonPathAndSchemaMap) throws SOAPToRESTException {

DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder;
Expand Down Expand Up @@ -204,6 +262,21 @@ private static Document createSOAPRequestXMLForOperation(ArrayList<String> param
isNamespaceQualified = true;
}
}
Schema<?> parentSchema = null;
boolean needIsEmptyCheck = false;
// Check parent schema for required fields and wrap with isEmpty check if required
if (prevElement != null) {
String parentElementName = prevElement.getNodeName();
if (parentElementName.contains(SOAPToRESTConstants.NAMESPACE_SEPARATOR)) {
parentElementName = parentElementName.split(SOAPToRESTConstants.NAMESPACE_SEPARATOR)[1];
}
parentSchema = openAPI.getComponents().getSchemas().get(jsonPathAndSchemaMap.get(parentElementName));
if (parentSchema != null && parentSchema.getRequired() != null &&
!parentSchema.getRequired().contains(parameterTreeNode)) {
needIsEmptyCheck = true;
}
}

String payloadPrefix = "${";
if (StringUtils.isNotBlank(parameterTreeNode)) {
if (SOAPToRESTConstants.ATTR_CONTENT_KEYWORD.equalsIgnoreCase(parameterTreeNode)) {
Expand Down Expand Up @@ -255,6 +328,9 @@ private static Document createSOAPRequestXMLForOperation(ArrayList<String> param
if (elemPos == length - 1) {
element.setTextContent(payloadPrefix + currentJSONPath + "}");
}
if (needIsEmptyCheck) {
element.setAttribute(IS_EMPTY_ATTRIBUTE, "true");
}
if (prevElement != null) {
prevElement.appendChild(element);
} else {
Expand Down
3 changes: 3 additions & 0 deletions src/main/java/org/wso2/soaptorest/WSDLProcessor.java
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Expand Up @@ -211,6 +211,9 @@ private XSElement processXmlSchemaElement(XmlSchemaElement xmlSchemaElement) {
} else {
log.warn("Data type for the child element " + xmlSchemaElement.getName() + "did " + "not processed");
}
if (xmlSchemaElement.getMinOccurs() == 0) {
xsElement.setOptional(true);
}
return xsElement;
}

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4 changes: 4 additions & 0 deletions src/main/java/org/wso2/soaptorest/models/SOAPtoRESTConversionData.java
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Expand Up @@ -62,4 +62,8 @@ public String getSoapPort() {

return soapPort;
}

public OpenAPI getOpenAPI() {
return openAPI;
}
}
9 changes: 9 additions & 0 deletions src/main/java/org/wso2/soaptorest/models/XSElement.java
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Expand Up @@ -27,6 +27,7 @@ public class XSElement {
QName name;
QName type;
QName refKey;
boolean isOptional;
XSDataType inlineComplexType;
boolean isArray;

Expand Down Expand Up @@ -77,4 +78,12 @@ public boolean isArray() {
public void setArray(boolean array) {
isArray = array;
}

public boolean isOptional() {
return isOptional;
}

public void setOptional(boolean optional) {
isOptional = optional;
}
}
18 changes: 11 additions & 7 deletions src/main/java/org/wso2/soaptorest/utils/ListJSONPaths.java
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Expand Up @@ -17,6 +17,7 @@
*/
package org.wso2.soaptorest.utils;

import io.swagger.v3.oas.models.OpenAPI;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONArray;
import org.json.JSONObject;
Expand Down Expand Up @@ -96,11 +97,10 @@ private static void readArray(JSONArray array, String jsonPath, ArrayList<String
* @param example example object
* @return the arraylist of the available json paths
*/
public static ArrayList<String> getJsonPathsFromExample(Example example) {

public static ArrayList<String> getJsonPathsFromExample(Example example, Map<String, String> jsonPathSchemaMapping) {
ArrayList<String> pathList = new ArrayList<>();
if (example != null) {
listExamples("", example, pathList);
listExamples("", example, pathList, jsonPathSchemaMapping);
}
return pathList;
}
Expand All @@ -112,14 +112,18 @@ public static ArrayList<String> getJsonPathsFromExample(Example example) {
* @param parameterJsonPathMapping list of json paths
* @return the arraylist of the available json paths
*/
public static void listExamples(String parent, Example example, ArrayList<String> parameterJsonPathMapping) {
public static void listExamples(String parent, Example example, ArrayList<String> parameterJsonPathMapping
, Map<String, String> jsonPathSchemaMapping) {
if (example != null) {
if (SOAPToRESTConstants.OBJECT_TYPE.equals(example.getTypeName())) {
Map<String, Example> values = ((ObjectExample) example).getValues();
if (values != null) {
for (Map.Entry<String, Example> entry : values.entrySet()) {
String childKey = parent.isEmpty() ? entry.getKey() : parent + "." + entry.getKey();
listExamples(childKey, entry.getValue(), parameterJsonPathMapping);
if (entry.getValue() != null && entry.getValue().getName() != null) {
jsonPathSchemaMapping.put(entry.getKey(), entry.getValue().getName());
}
listExamples(childKey, entry.getValue(), parameterJsonPathMapping, jsonPathSchemaMapping);
}
} else if (StringUtils.isNotBlank(parent)) {
parameterJsonPathMapping.add(parent);
Expand All @@ -132,9 +136,9 @@ public static void listExamples(String parent, Example example, ArrayList<String
Example exampleItem = exampleArray.get(i);
jsonPath = parent + "[" + i + "]";
if (SOAPToRESTConstants.OBJECT_TYPE.equals(exampleItem.getTypeName())) {
listExamples(jsonPath, exampleItem, parameterJsonPathMapping);
listExamples(jsonPath, exampleItem, parameterJsonPathMapping, jsonPathSchemaMapping);
} else if (SOAPToRESTConstants.ARRAY_TYPE.equals(exampleItem.getTypeName())) {
listExamples(jsonPath, exampleItem, parameterJsonPathMapping);
listExamples(jsonPath, exampleItem, parameterJsonPathMapping, jsonPathSchemaMapping);
} else {
parameterJsonPathMapping.add(jsonPath);
}
Expand Down
6 changes: 6 additions & 0 deletions src/main/java/org/wso2/soaptorest/utils/SOAPToRESTConstants.java
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Expand Up @@ -68,4 +68,10 @@ public class SOAPToRESTConstants {
public static final String OAS_ALL_MEDIA_TYPE = "*/*";
public static final String OBJECT_TYPE = "object";
public static final String ARRAY_TYPE = "array";
public static final String IF_PLACEHOLDER = "ifPlaceholder";
public static final String ELSE_PLACEHOLDER = "elsePlaceholder";
public static final String QUESTION_MARK_PLACEHOLDER = "questionPlaceholder";
public static final String ATTRIBUTE_PLACEHOLDER = "attributePlaceholder";
public static final String IS_EMPTY_ATTRIBUTE = "addIsEmptyCheck";

}
11 changes: 11 additions & 0 deletions src/test/java/org/wso2/soaptorest/ComplexWSDLTestCase.java
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Expand Up @@ -30,6 +30,7 @@
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.StringWriter;
import java.util.List;
import java.util.Map;
import java.util.Set;

Expand Down Expand Up @@ -100,4 +101,14 @@ void testChoiceWSDL() throws SOAPToRESTException {
assertEquals(soaPtoRESTConversionData.getSoapService(), "choiceSampleService");
assertEquals(soaPtoRESTConversionData.getSoapPort(), "choiceSamplePort");
}

@Test
void testWSDLWithOptional() throws SOAPToRESTException {
SOAPtoRESTConversionData soaPtoRESTConversionData = SOAPToRESTConverter.getSOAPtoRESTConversionData(
"src/test/resources" + "/complex/nested.wsdl", "Test API", "1.0.0");
List requiredValues = soaPtoRESTConversionData.getOpenAPI().getComponents()
.getSchemas().get("innerType2").getRequired();
assertTrue(requiredValues.contains("inner3"));
assertTrue(requiredValues.contains("int3"));
}
}
4 changes: 2 additions & 2 deletions src/test/resources/complex/nested.wsdl
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Expand Up @@ -11,10 +11,10 @@
</xsd:schema>
</types>
<message name="inputMessage">
<part name="parameters" element="tns:inputModel"/>
<part name="parameters" element="tns:inputModelBla"/>
</message>
<message name="outputMessage">
<part name="parameters" element="tns:outputModel"/>
<part name="parameters" element="tns:outputModelBla"/>
</message>
<portType name="nestedSample">
<operation name="inputOperation">
Expand Down
15 changes: 10 additions & 5 deletions src/test/resources/complex/nested.xsd
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Expand Up @@ -2,17 +2,21 @@
<xs:schema xmlns:tns="http://example.com/" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.0"
targetNamespace="http://example.com/">

<xs:element name="inputModel" type="tns:inputModel"/>
<xs:element name="inputModelBla" type="tns:inputModel"/>

<xs:element name="outputModel" type="tns:outputModel"/>
<xs:element name="outputModelBla" type="tns:outputModel"/>

<xs:complexType name="inputModel">
<xs:sequence>
<xs:element name="inner1" type="tns:innerType1"/>
<xs:element name="int1" type="xs:int"/>
<xs:element name="int1" type="xs:int" minOccurs="0"/>
</xs:sequence>
</xs:complexType>

<xs:simpleType name="languageCode">
<xs:restriction base="xs:string">
<xs:length value="3"/>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="innerType1">
<xs:sequence>
<xs:element name="inner2" type="tns:innerType2"/>
Expand All @@ -24,13 +28,14 @@
<xs:sequence>
<xs:element name="inner3" type="tns:innerType3"/>
<xs:element name="int3" type="xs:int"/>
<xs:element minOccurs="0" name="languageCode" type="tns:languageCode"/>
</xs:sequence>
</xs:complexType>

<xs:complexType name="innerType3">
<xs:sequence>
<xs:element name="intA" type="xs:int"/>
<xs:element name="intB" type="xs:int"/>
<xs:element name="intB" type="xs:int" minOccurs="0"/>
</xs:sequence>
</xs:complexType>

Expand Down