/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.dataformat.xmljson;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXSource;
import org.w3c.dom.Document;
import net.sf.json.JSON;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;
/**
* Basic tests for the XML JSON data format
*/
public class XmlJsonDataFormatTest extends AbstractJsonTestSupport {
@Test
public void testMarshalAndUnmarshal() throws Exception {
InputStream inStream = getClass().getResourceAsStream("testMessage1.xml");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockJSON = getMockEndpoint("mock:json");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
MockEndpoint mockXML = getMockEndpoint("mock:xml");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object json = template.requestBody("direct:marshal", in);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSONObject doesn't contain 7 keys", 7, obj.entrySet().size());
template.sendBody("direct:unmarshal", jsonString);
mockJSON.assertIsSatisfied();
mockXML.assertIsSatisfied();
}
@Test
public void testUnmarshalJSONObject() throws Exception {
InputStream inStream = getClass().getResourceAsStream("testMessage1.json");
String in = context.getTypeConverter().convertTo(String.class, inStream);
JSON json = JSONSerializer.toJSON(in);
MockEndpoint mockXML = getMockEndpoint("mock:xml");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object marshalled = template.requestBody("direct:unmarshal", json);
Document document = context.getTypeConverter().convertTo(Document.class, marshalled);
assertEquals("The XML document has an unexpected root node", "o", document.getDocumentElement().getLocalName());
mockXML.assertIsSatisfied();
}
@Test
public void testMarshalXMLSources() throws Exception {
InputStream inStream = getClass().getResourceAsStream("testMessage1.xml");
DOMSource inDOM = context.getTypeConverter().convertTo(DOMSource.class, inStream);
inStream = getClass().getResourceAsStream("testMessage1.xml");
SAXSource inSAX = context.getTypeConverter().convertTo(SAXSource.class, inStream);
inStream = getClass().getResourceAsStream("testMessage1.xml");
Document inDocument = context.getTypeConverter().convertTo(Document.class, inStream);
// save the expected body of the message to set it later
Object expectedBody = template.requestBody("direct:marshal", inDOM);
MockEndpoint mockJSON = getMockEndpoint("mock:json");
// reset the mock endpoint to get rid of the previous message
mockJSON.reset();
// all three messages should arrive, should be of type byte[] and
// identical to one another
mockJSON.expectedMessageCount(3);
mockJSON.allMessages().body().isInstanceOf(byte[].class);
mockJSON.expectedBodiesReceived(Arrays.asList(expectedBody, expectedBody, expectedBody));
// start bombarding the route
Object json = template.requestBody("direct:marshal", inDOM);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSONObject doesn't contain 7 keys", 7, obj.entrySet().size());
template.requestBody("direct:marshal", inSAX);
template.requestBody("direct:marshal", inDocument);
mockJSON.assertIsSatisfied();
}
@Test
public void testMarshalAndUnmarshalInline() throws Exception {
InputStream inStream = getClass().getResourceAsStream("testMessage1.xml");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockJSON = getMockEndpoint("mock:jsonInline");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
MockEndpoint mockXML = getMockEndpoint("mock:xmlInline");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object json = template.requestBody("direct:marshalInline", in);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSONObject doesn't contain 7 keys", 7, obj.entrySet().size());
template.sendBody("direct:unmarshalInline", jsonString);
mockJSON.assertIsSatisfied();
mockXML.assertIsSatisfied();
}
@Test
public void testNamespacesDroppedInlineWithOptions() throws Exception {
InputStream inStream = getClass().getResourceAsStream("testMessage2-namespaces.xml");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockJSON = getMockEndpoint("mock:jsonInlineOptions");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
Object json = template.requestBody("direct:marshalInlineOptions", in);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSON must contain 1 top-level element", 1, obj.entrySet().size());
assertTrue("Top-level element must be named root", obj.has("root"));
// check that no child of the top-level element has a colon in its key,
// which would denote that
// a namespace prefix exists
for (Object key : obj.getJSONObject("root").keySet()) {
assertFalse("A key contains a colon", ((String) key).contains(":"));
}
mockJSON.assertIsSatisfied();
}
@Test
public void testUnmarshalToXMLInlineOptions() throws Exception {
InputStream inStream = getClass().getResourceAsStream("testMessage1.json");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockXML = getMockEndpoint("mock:xmlInlineOptions");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object marshalled = template.requestBody("direct:unmarshalInlineOptions", in);
Document document = context.getTypeConverter().convertTo(Document.class, marshalled);
assertEquals("The XML document doesn't carry newRoot as the root name", "newRoot", document.getDocumentElement().getLocalName());
assertEquals("The number of direct child elements of newRoot with tag d (expandable property) is not 3", 3, document.getDocumentElement().getElementsByTagName("d").getLength());
assertEquals("The number of direct child elements of newRoot with tag e (expandable property) is not 3", 3, document.getDocumentElement().getElementsByTagName("e").getLength());
mockXML.assertIsSatisfied();
}
@Test
public void testJsonArraysToXml() throws Exception {
MockEndpoint mockXML = getMockEndpoint("mock:xmlInlineOptionsArray");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object marshalled = template.requestBody("direct:unmarshalInlineOptionsArray", "[1, 2, 3, 4]");
Document document = context.getTypeConverter().convertTo(Document.class, marshalled);
assertEquals("There should be exactly 4 XML elements with tag 'el' (each array element)", 4, document.getDocumentElement().getElementsByTagName("el").getLength());
assertEquals("The document root should be named 'ar' (the array root)", "ar", document.getDocumentElement().getLocalName());
mockXML.assertIsSatisfied();
}
@Test
public void testXmlArraysToJson() throws Exception {
MockEndpoint mockJSON = getMockEndpoint("mock:jsonInlineOptionsArray");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
Object json = template.requestBody("direct:marshalInlineOptionsArray", "<ar><el>1</el><el>2</el><el>3</el><el>4</el></ar>");
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONArray array = (JSONArray) JSONSerializer.toJSON(jsonString);
assertTrue("Expected a JSON array with string elements: 1, 2, 3, 4", array.containsAll(Arrays.asList("1", "2", "3", "4")));
mockJSON.assertIsSatisfied();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
XmlJsonDataFormat format = new XmlJsonDataFormat();
// from XML to JSON
from("direct:marshal").marshal(format).to("mock:json");
// from JSON to XML
from("direct:unmarshal").unmarshal(format).to("mock:xml");
// from XML to JSON - inline dataformat
from("direct:marshalInline").marshal().xmljson().to("mock:jsonInline");
// from JSON to XML - inline dataformat
from("direct:unmarshalInline").unmarshal().xmljson().to("mock:xmlInline");
Map<String, String> xmlJsonOptions = new HashMap<String, String>();
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.ENCODING, "UTF-8");
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.FORCE_TOP_LEVEL_OBJECT, "true");
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.TRIM_SPACES, "true");
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.ROOT_NAME, "newRoot");
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.SKIP_NAMESPACES, "true");
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.REMOVE_NAMESPACE_PREFIXES, "true");
xmlJsonOptions.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.EXPANDABLE_PROPERTIES, "d e");
// from XML to JSON - inline dataformat w/ options
from("direct:marshalInlineOptions").marshal().xmljson(xmlJsonOptions).to("mock:jsonInlineOptions");
// from JSON to XML - inline dataformat w/ options
from("direct:unmarshalInlineOptions").unmarshal().xmljson(xmlJsonOptions).to("mock:xmlInlineOptions");
Map<String, String> xmlJsonOptionsArrays = new HashMap<String, String>();
xmlJsonOptionsArrays.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.ELEMENT_NAME, "el");
xmlJsonOptionsArrays.put(org.apache.camel.model.dataformat.XmlJsonDataFormat.ARRAY_NAME, "ar");
// from XML arrays to JSON - inline dataformat w/ options
from("direct:marshalInlineOptionsArray").marshal().xmljson(xmlJsonOptionsArrays).to("mock:jsonInlineOptionsArray");
// from JSON arrays to XML - inline dataformat w/ options
from("direct:unmarshalInlineOptionsArray").unmarshal().xmljson(xmlJsonOptionsArrays).to("mock:xmlInlineOptionsArray");
}
};
}
}